DEPARTMENT OF NATURAL RESOURCES AND CONSERVATION

OF THE STATE OF MONTANA

Conservation Division

ANNUAL REVIEW 20

Board of Oil and Gas Conservation

WAYNE SMITH, Vice

Valier, Montana

DON BRADSHAW

Fort Benton, Montana

RONALD EFTA

Wibaux, Montana

DEPARTMENT OF NATURAL RESOURCES AND CONSERVATION

OF THE STATE OF MONTANA

Oil and Gas 

Conservation Division

Brian Schweitzer, Governor 

ANNUAL REVIEW 2012 

Volume 56 

Board of Oil and Gas Conservation

LINDA NELSON, Chair 

Medicine Lake, Montana 

, Vice-Chair JAY GUNDERSON

Billings, Montana

DON BRADSHAW

Fort Benton, Montana

JACK KING

Billings, Montana

RONALD EFTA

, Montana

BRET SMELSER

Sidney, Montana

DEPARTMENT OF NATURAL RESOURCES AND CONSERVATION

JAY GUNDERSON

Billings, Montana

JACK KING

Billings, Montana

BRET SMELSER

Sidney, Montana
Administrators for the Board of Oil and Gas 

Conservation of the State of Montana 

THOMAS P. RICHMOND

ADMINSTRATOR/PETROLEUM ENGINEER 

2535 ST. JOHNS AVENUE 

BILLINGS, MONTANA 59102 

JAMES W. HALVORSON

GEOLOGIST

2535 ST. JOHNS AVENUE 

BILLINGS, MONTANA 59102 

TERRI H. PERRIGO

EXECUTIVE SECRETARY

1625 ELEVENTH AVENUE 

HELENA, MONTANA 59620 

GEORGE C. HUDAK

UIC COORDINATOR

2535 ST. JOHNS AVENUE 

BILLINGS, MONTANA 59102

CLYDE PETERSON

ATTORNEY 

1712 9TH AVENUE 

HELENA, MONTANA 59620

STEVE SASAKI

FIELD SUPERVISOR

2535 ST. JOHNS AVENUE 

BILLINGS, MONTANA 59102

OFFICES LOCATED AT: 

2535 St. Johns Avenue, Billings, Montana 59102 

165 Main Street, Shelby, Montana 59474 

1625 Eleventh Avenue, Helena, Montana 59620 

Annual Review for the Year 2012 

Volume 56

Additional statistical information is available on the Board’s website 

http://www.bogc.dnrc.mt.gov 

 

 
TABLE OF CONTENTS 

Summary .................................................................................................. Section 1 

Crude Oil Production ................................................................................ Section 2 

Five-Year Production Summary ............................................................... Section 3

Refiners’ Annual Report ........................................................................... Section 4 

Five-Year Permit Summary ...................................................................... Section 5 

Five-Year Completion Summary .............................................................. Section 6 

Top 100 Oil Producers ............................................................................. Section 7 

Top Gas Producers .................................................................................. Section 8 

Top Oil and Gas Producing Fields ........................................................... Section 9

Field Summary, Reported Oil Fields....................................................... Section 10 

Field Summary, Reported Gas Fields .................................................... Section 11 

County Drilling And Production Statistics ............................................... Section 12 

Well Completion Summary By County ................................................... Section 13 

Stripper Oil Well Statistics ...................................................................... Section 14 

Production By Area ................................................................................ Section 15 

Field Rules And Production Summary By Formation ............................. Section 16 

 
(This Page Intentionally Left Blank) 
Total Liquids Production 26,491,729

Total Gas Production 66,954,322

26,483,131

8,598

45,347,281

21,607,041

66,954,322

26,491,729

Oil

Condensate

Associated Gas

Natural Gas

Barrel

MCF

Oil And Condensate Production Allocated To Fields

Gas Production Allocated To Fields

Barrels

MCF

MCF

MCF

Barrel

Barrel

9.67%

-15.56%

59.40%

9.66%

-23.77%

9.07%

Change From

Previous Year

Reported

Volume

411

300

95

New Horizontal Wells

New Vertical Wells

Wells Permitted Re-issued Permits 367

2012 Summary

Permits

Permits for Horizontal Re-entry Of Existing Vertical Wells 1

657

Board Orders

Total Number Of Orders Issued

0

189

12

Units Or Enhanced Recovery Projects

Exception To Spacing Or Field Rules

Field Delineation, Enlargement, Or Reduction

Certification For Tax Incentive 0

Temporary Or Permanent Spacing Unit Designation 352

Number Of

Actions Orders Included The Following Actions:

Other 97

Class II Injection Permits 24

Production

Re-entry of Abandoned Wells 16

1 - 1
20

30405060

Barrels per Year

Millions

Crude Oil Production

0

10

Year

Central Northeastern Northern South Central S
Five-Year Production Summary

OIL PRODUCTION IN BARRELS

Northern Montana

Central

South Central

Northeastern

Southeastern

NUMBER OF PRODUCING OIL WELLS

AVERAGE DAILY OIL PRODUCTION PER WELL

1,442,563 1,391,926 1,398,402 1,434,234 1,422,335

2008 2009 2010 2011 2012

28,653,793 25,033,377 22,543,604 21,409,272 23,678,244

502,308 458,195 470,016 419,655 534,742

507,847 473,063 455,430 477,082 467,833

483,006 471,373 456,880 410,104 379,977

Northern Montana

Central

South Central

Northeastern

Southeastern

1,973 2,005 1,999 2,023 2,035

2,065 2,053 2,081 2,118 2,281

227 208 204 204 224

128 127 138 135 133

76 57 43 41 40

Northern Montana

Central

South Central

Northeastern

Southeastern

2.4 2.3 2.3 2.4 2.3

41.9 36.9 33.0 32.0 32.6

8.1 8.5 8.6 8.1 9.0

11.6 10.9 10.3 10.8 10.6

25.8 31.4 33.7 33.5 32.9

NON-ASSOCIATED GAS PRODUCTION IN MCF

Northern Montana

Central

South Central

Northeastern

Southeastern

NUMBER OF PRODUCING GAS WELLS

AVERAGE DAILY GAS PRODUCTION PER WELL

53,955,196 46,370,882 43,025,681 37,308,369 30,367,250

21,495,517 18,542,175 16,083,032 14,284,782 10,208,495

206,507 300,275 175,830 215,805 171,624

15,644,129 13,231,409 10,745,847 7,519,028 4,490,095

218,180 182,965 166,388 156,406 109,817

Northern Montana

Central

South Central

Northeastern

Southeastern

4,599 4,649 4,666 4,639 4,559

933 933 1,011 1,013 1,008

9 9 12 11 12

984 971 918 807 654

22 22 22 22 21

Northern Montana

Central

South Central

Northeastern

Southeastern

34.3 29.6 27.1 23.8 20.2

66.8 54.4 45.9 38.9 34.9

77.9 97.9 49.1 56.1 40.3

48.9 43.8 37.3 31.1 26.4

37.7 26.3 24.3 23.6 25.7

Total 31,589,517 27,827,934 25,324,332 24,150,347 26,483,131

Total 4,469 4,450 4,465 4,521 4,713

Total 91,519,529 78,627,706 70,196,778 59,484,390 45,347,281

Total 6,547 6,584 6,629 6,492 6,254

State Average 22.6 20.1 18.1 17.4 18.0

State Average 41.2 35.4 31.3 27.2 22.9

3 - 1
2012 Refiners' Annual Report

Summary

 Company Beginning Montana Wyoming Canada Refined Ending

Storage Oil Oil Oil Storage

CHS Inc. 240,867 1,467,560 1,737,442 17,273,372 20,413,692 305,549

Phillips 66 174,716 192,053 103,164 19,238,377 19,364,960 343,350

ExxonMobil 173,942 0 5,565,743 12,004,809 17,593,921 150,573

Calumet MT 22,776 0 0 3,674,548 3,648,308 49,016

 Total 612,301 1,659,613 7,406,349 52,191,106 61,020,881 848,488

Percentage Of Crude Oil Received

Year Montana North Dakota Wyoming Canada

2008 2.61 0.00 12.02 85.37

2009 2.58 0.02 13.60 83.80

2010 2.52 0.00 12.66 84.82

2011 2.69 0.00 9.54 87.77

2012 2.71 0.00 12.09 85.20

Average Barrels Per Day

Year Montana North Dakota Wyoming Canada Total

2008 4,504 0 20,757 147,366 172,627

2009 4,354 29 22,943 141,367 168,693

2010 4,313 0 21,658 145,097 171,068

2011 4,529 0 16,051 147,747 168,327

2012 4,547 0 20,291 142,989 167,827

Refining Five Year Comparison (Barrels)

2008 2009 2010 2011 2012

63,002,187 61,510,725 62,493,620 61,367,471 61,020,881

4-1
Five-Year Permit Summary

2008 Oil 2008 Oil Gas Gas Storage CBM Gas Storage Gas Storage Injection Injection Injection Disposal Disposal Disposal 

Quarter 1 64 49 4 0 0 0 Quarter 2 55 139 36 0 0 0 Quarter 3 42 115 34 0 0 0 Quarter 4 38 102 16 0 0 2 

Total 2008 199 405 90 0 0 2 

2009 Oil 2009 Oil Gas Gas Storage CBM Gas Storage Gas Storage Injection Injection Injection Disposal Disposal Disposal 

Quarter 1 9 50 2 0 0 1 

Quarter 2 11 40 2 0 0 0 

Quarter 3 32 56 0 0 0 1 

Quarter 4 28 57 0 0 0 0 

Total 2009 80 203 4 0 0 2 

2010 Oil 2010 Oil Gas Gas Storage CBM Gas Storage Gas Storage Injection Injection Injection Disposal Disposal Disposal 

Quarter 1 47 8 1 0 0 0 

Quarter 2 58 33 2 0 0 0 

Quarter 3 79 47 0 3 0 0 

Quarter 4 42 4 0 4 0 0 

Total 2010 226 92 3 7 0 0 

2011 Oil 2011 Oil Gas Gas Storage CBM Gas Storage Gas Storage Injection Injection Injection Disposal Disposal Disposal 

Quarter 1 30 7 0 0 0 0 

Quarter 2 58 3 0 0 0 1 

Quarter 3 64 17 0 0 0 1 

Quarter 4 82 2 0 0 0 3 

Total 2011 234 29 0 0 0 5 

2012 Oil 2012 Oil Gas Gas Storage CBM Gas Storage Gas Storage Injection Injection Injection Disposal Disposal Disposal 

Quarter 1 125 0 0 0 0 0 

Quarter 2 103 1 0 0 0 0 

Quarter 3 77 1 0 0 0 3 

Quarter 4 87 11 0 0 0 0 

Total 2012 392 13 0 0 0 3 

5 - 1
Five-Year Completion Summary

2008 Oil 2008 Oil Gas Gas Storage CBM Dry CBM Gas Storage Gas Storage Injection Dry Injection Injection Disposal Disposal Disposal 

Quarter 1 34 86 20 0 8 0 0 Quarter 2 36 40 5 0 8 3 1 Quarter 3 30 120 2 0 21 0 1 

Quarter 4 32 67 15 0 8 0 1 

Total 2008 132 313 42 0 45 3 3 

2009 Oil 2009 Oil Gas Gas Storage CBM Dry CBM Gas Storage Gas Storage Injection Dry Injection Injection Disposal Disposal Disposal 

Quarter 1 16 80 1 0 6 0 1 Quarter 2 9 10 1 0 9 0 0 Quarter 3 9 34 1 0 3 0 2 Quarter 4 17 39 8 0 8 0 0 

Total 2009 51 163 11 0 26 0 3 

2010 Oil 2010 Oil Gas Gas Storage CBM Dry CBM Gas Storage Gas Storage Injection Dry Injection Injection Disposal Disposal Disposal 

Quarter 1 17 64 2 0 1 0 0 Quarter 2 21 12 0 0 1 0 0 Quarter 3 22 31 0 0 8 0 0 Quarter 4 27 47 0 0 9 0 0 

Total 2010 87 154 2 0 19 0 0 

2011 Oil 2011 Oil Gas Gas Storage CBM Dry CBM Gas Storage Gas Storage Injection Dry Injection Injection Disposal Disposal Disposal 

Quarter 1 20 21 0 0 6 0 1 Quarter 2 23 6 0 0 4 1 0 Quarter 3 33 1 1 0 6 0 1 Quarter 4 52 15 0 6 6 0 3 

Total 2011 128 43 1 6 22 1 5 

2012 Oil 2012 Oil Gas Gas Storage CBM Dry CBM Gas Storage Gas Storage Injection Dry Injection Injection Disposal Disposal Disposal 

Quarter 1 39 1 0 0 7 0 2 Quarter 2 57 1 0 0 9 0 2 Quarter 3 68 0 0 0 7 4 1 Quarter 4 60 14 0 0 3 0 2 

Total 2012 224 16 0 0 26 4 7 

6 - 1
Company Barrels of Oil Company Barrels of Oil

2012 Top 100 Oil Producers

1 Denbury Onshore, LLC 4,579,604

2 Continental Resources Inc 3,506,487

3 Enerplus Resources USA Corporation 2,416,102

4 XTO Energy Inc. 2,297,964

5 Oasis Petroleum North America LLC 1,832,787

6 Burlington Resources Oil & Gas Company LP 1,528,899

7 SM Energy Company 1,070,358

8 EOG Resources, Inc. 989,770

9 Slawson Exploration Company Inc 944,184

10 Petro-Hunt, LLC 836,551

11 Statoil Oil & Gas LP 682,707

12 Whiting Oil and Gas Corporation 647,267

13 TAQA North USA, Inc. 591,690

14 Encore Energy Partners Operating LLC 487,273

15 Newfield Production Company 336,519

16 Citation Oil & Gas Corp. 331,271

17 MCR, LLC 235,655

18 Charger Resources, LLC 152,053

19 Quicksilver Resources, Inc. 132,509

20 Somont Oil Company, Inc. 121,021

21 Anadarko Minerals, Inc. 120,879

22 HRC Operating, LLC 114,617

23 Omimex Canada, Ltd. 113,727

24 True Oil LLC 107,419

25 Nautilus Poplar LLC 96,707

26 Fidelity Exploration & Production Co. 87,326

27 Tomahawk Oil Company, Inc. 82,470

28 Abraxas Petroleum Corporation 81,604

29 Samson Resources Company 80,672

30 Wesco Operating, Inc. 70,297

31 Bayswater Exploration & Production, LLC 64,906

32 FX Drilling Company, Inc. 59,480

33 Cline Production Company 57,281

34 Prima Exploration, Inc. 56,418

35 Northern Oil Production, Inc. 54,963

36 Armstrong Operating, Inc. 52,166

37 Energy Corporation of America 48,837

38 Legacy Reserves Operating LP 47,027

39 Kodiak Oil & Gas (USA) Inc. 46,790

40 Marathon Oil Company 45,614

41 Balko, Inc. 43,571

42 Mountain View Energy, Inc. 38,478

43 Cirque Resources LP 38,128

44 Vess Oil Corporation 37,483

45 Genesis ST Operating LLC 36,400

46 Soap Creek Associates, Inc. 36,075

47 Shakespeare Oil Co Inc 32,697

48 Rim Operating, Inc. 32,483

49 Summit Resources, Inc. 31,955

50 Cowry Enterprises, Ltd. 31,501

51 SDOCO, LLC 31,415

52 Keesun Corporation 29,792

53 Cardinal Oil, LLC 29,613

54 Sinclair Oil & Gas Company 28,544

55 Croft Petroleum Company 27,384

56 Earthstone Energy, Inc. 27,328

57 H&R Energy, LLC 25,098

58 Beartooth Oil & Gas Company 24,538

59 Provident Energy Of Montana, LLC 24,089

60 Anschutz Exploration Corporation 18,414

61 Hawley & Desimon 18,236

62 Porker Oil 17,755

63 Carrell Oil Company Dba Coco 17,601

64 Bluebonnet Energy Corporation 17,415

65 Wyoming Resources Corporation 17,154

66 McRae & Henry Ltd 17,029

67 Synergy Offshore LLC 16,119

68 Beren Corporation 15,014

69 Berexco, Inc. 13,913

70 Coolidge, G. B., Inc. 13,132

71 NorthWestern Corporation 12,161

72 Blackjack Oil, Inc. 12,047

73 Behm Energy, Inc. 12,011

74 R & A Oil, Inc. 12,001

75 Sannes, Ronald M. Or Margaret Ann 11,825

76 Sands Oil Company 11,223

77 MBI Oil and Gas, LLC 11,114

78 K2 America Corporation 10,659

79 T.W.O. (Taylor Well Operating) 10,498

80 Linn Operating Inc. 10,490

81 BTA Oil Producers, LLC 10,081

82 NFR Bear Paw Basin, LLC 10,062

83 Enclave Operating, LLC 9,344

84 Hawkins, Robert S. 9,329

85 Macum Energy Inc. 8,897

86 Grand Resources, Ltd. 8,807

87 Stratex Oil and Gas, Inc. 8,651

88 Comanche Drilling Company 8,599

89 Rosetta Resources Operating LP 8,454

90 Hawley Oil Company 8,446

91 Tyler Oil Company 8,368

92 Nadel and Gussman Rockies, LLC 8,328

93 King-Sherwood Oil 7,983

94 Alturas Energy LLC 7,946

95 Huntington Energy, LLC 7,143

96 Darrah Oil Company, LLC 6,784

97 Big Snowy Resources LP 6,717

98 Tyler Rockies Exploration Ltd 6,646

99 Hofland, James D. 6,615

100 Montana Heartland LLC 6,442

7 - 1
Company MCF Company MCF

2012 Top Gas Producers

(Includes operators with over 10,000 MCF of gas produced during the calendar year.)

1 Fidelity Exploration & Production Co. 19,447,764

2 Devon Energy Production Co., LP 8,781,954

3 Noble Energy, Inc. 4,221,267

4 Omimex Canada, Ltd. 2,265,333

5 NorthWestern Corporation 1,868,716

6 NFR Bear Paw Basin, LLC 1,697,427

7 MCR, LLC 751,214

8 Saga Petroleum, LLC 621,010

9 Croft Petroleum Company 533,365

10 Somont Oil Company, Inc. 531,177

11 Summit Gas Resources, Inc. 450,099

12 Brown, J. Burns Operating Company 357,912

13 Western Natural Gas Company 300,424

14 Keesun Corporation 269,147

15 LaMarsa Corp. 230,993

16 Ranck Oil Company, Inc. 230,781

17 Montana Land & Exploration, Inc. 224,683

18 Jurassic Resources Development NA LLC 196,371

19 T.W.O. (Taylor Well Operating) 158,560

20 Highline Exploration, Inc. 150,185

21 Sands Oil Company 122,819

22 Bayswater Exploration & Production, LLC 103,851

23 Saco, Town Of 82,676

24 Ursa Major (Crow OG), LLC 80,111

25 A. B. Energy LLC 78,401

26 Macum Energy Inc. 73,546

27 Mountain Pacific General Inc. 72,608

28 Balko, Inc. 71,656

29 Mountain View Energy, Inc. 71,352

30 Abraxas Petroleum Corporation 66,795

31 Kykuit Resources, LLC 64,486

32 Whiting Oil and Gas Corporation 61,983

33 Decker Operating Company, L.L.C. 60,800

34 Coolidge, G. B., Inc. 58,152

35 AltaMont Oil & Gas Inc. 55,631

36 Montana Heartland LLC 51,993

37 Unit Petroleum Company 50,973

38 Artex Oil Company 49,655

39 Topaz Oil & Gas Inc 43,447

40 Rimrock Colony 42,710

41 Rosetta Resources Operating LP 41,691

42 Great Northern Drilling Company 41,161

43 Sector Resources (II) Ltd. 40,314

44 G/S Producing, Inc. 38,421

45 DL Energy, LLC 36,196

46 Bowers Oil & Gas, Inc. 33,528

47 Three Forks Resources, LLC 32,657

48 Storm Cat Energy (USA) Operating Corporatio 24,834

49 Robinson Oil Company, LLC 22,600

50 Remuda Energy Development, LLC 22,142

51 Targe Energy Exploration and Production, LLC 20,178

52 Anschutz Exploration Corporation 18,773

53 Northland Holdings, Inc. 16,074

54 Parsell, R. W. 14,676

55 Constitution Gas Transport Co., Inc. 14,035

56 Tempel Contracting, Inc. 13,934

57 Potlatch Oil & Refining Co 13,820

58 Woods, Pete Or Maxine 13,785

59 Glacier Minerals, LLC 13,724

60 Hardrock Oil Company 13,623

61 Slow Poke Production-George L. Dobson Dba 13,483

62 Montana Land & Mineral Co. 12,770

63 Cut Bank Gas Company 12,461

64 Galuska Exploration & Production LLC 11,846

65 Solomon Exploration Inc. 11,769

66 Cardinal Oil, LLC 11,136

67 Reserve Operating Corp. 11,028

8 - 1
Oil Fields Gas Fields

2012 Top Oil And Gas Producing Fields

Field Barrels Field MCF

1 Elm Coulee 10,118,133

2 Elm Coulee, Northeast 3,721,015

3 Pennel 1,204,856

4 Lookout Butte, East, Unit 937,152

5 Pine 873,849

6 Cabin Creek 840,879

7 Lookout Butte 679,780

8 Flat Lake 500,581

9 Bell Creek 350,167

10 Elk Basin 330,231

11 Bloomfield, South 311,599

12 Cut Bank 290,067

13 Kevin-Sunburst 253,249

14 Windy Ridge 212,720

15 Little Beaver 212,203

16 Bainville, North 210,631

17 Bowes 197,615

18 Bloomfield 174,297

19 Mon Dak, West 163,188

20 Pondera 159,245

21 Monarch 135,455

22 Gas City 124,705

23 Waterhole Creek 111,033

24 Whitlash 109,201

25 Brush Lake 108,187

26 Little Beaver, East 98,476

27 Divide 87,506

28 Sumatra 86,446

29 Lustre 86,292

30 Sioux Pass 86,033

31 Dwyer 80,177

32 Sioux Pass, North 79,679

33 Rabbit Hills 77,372

34 Nohly 76,523

35 Poplar, East 74,527

36 Ridgelawn 72,648

37 Bainville 71,183

38 Lane 69,967

39 Red Bank 65,603

40 Glendive 65,541

41 Katy Lake, North 64,464

42 Volt 62,042

43 Wildcat Rosebud, N 60,562

44 Anvil, North 57,276

45 Fairview 56,566

46 Reagan 56,451

47 Poplar, Northwest 52,749

48 High Five 50,855

49 Vaux 50,182

50 Outlook 49,626

1 Cedar Creek 9,877,949

2 Bowdoin 6,906,974

3 Tiger Ridge 5,878,035

4 CX 2,977,309

5 Cut Bank 1,376,718

6 Whitewater 1,281,437

7 Loring 1,274,750

8 Sawtooth Mountain 1,171,975

9 Battle Creek 1,167,203

10 Ashfield 1,030,112

11 Bullwacker 911,236

12 Sherard, Area 869,485

13 Red Rock 767,126

14 St. Joe Road 708,424

15 Loring, East 555,175

16 Whitlash 447,545

17 Prairie Dell 428,215

18 Kevin-Sunburst 406,245

19 Dry Creek 370,243

20 Dietz 312,714

21 Keith, East 271,328

22 Old Shelby 260,251

23 Rocky Boy Area 248,596

24 Pine Gas 248,364

25 Big Coulee 243,774

26 Amanda 224,660

27 Fresno 220,975

28 Bowes 220,770

29 Badlands 175,916

30 Leroy 162,940

31 Big Rock 161,092

32 Swanson Creek 158,041

33 Black Coulee 156,168

34 Kevin Southwest 155,109

35 Toluca 150,185

36 Whitewater, East 139,401

37 Coal Creek 137,385

38 Utopia 112,957

39 Miners Coulee 111,953

40 Sherard 95,940

41 Arch Apex 94,717

42 Willow Ridge, South 83,996

43 Brown's Coulee, East 82,533

44 Dunmore 80,111

45 O'Briens Coulee 77,648

46 Cherry Patch, Southwest 76,135

47 Cherry Patch, Southeast 75,131

48 Lake Francis 73,786

49 Ledger 71,656

50 Dry Creek, West 70,220

9 - 1
2012 Field Summary, Reported Oil Fields

Field

Annual Oil

Barrels

Cumulative

Barrels Field

Annual Oil

Barrels

Cumulative

Barrels

Ace High 3,686

Agawam 79

Alkali Coulee 53,229

Andes 21,175

Antelope 10,730 211,758

Antelope, North 2,484

Anvil 38,219 5,653,185

Anvil, North 57,276 452,372

Ash Creek 868,169

Ator Creek 1,186 47,887

Autumn 35,546

Bainville 71,183 2,023,305

Bainville (Ratcliffe/Mission Canyon) 4,710 108,227

Bainville II 20,394 1,562,336

Bainville, North 210,631 9,308,232

Bainville, West 29,902 619,210

Bannatyne 5,742 510,873

Bascom 27,830

Battle Creek, South, Oil 8,686 155,463

Beanblossom 5,152 732,945

Bear's Den 2,855 807,991

Belfry 101,245

Bell Creek 350,167 136,096,185

Benrud 289,695

Benrud, East 5,487 3,034,523

Benrud, Northeast 1,019,598

Berthelote 578 76,845

Big Gully 4,901 175,338

Big Gully, North 29,892

Big Muddy Creek 3,997 1,485,838

Big Rock 10,764

Big Wall 23,670 8,704,716

Big Wall, North 7,218

Black Diamond 711,309

Blackfoot 4,250 1,847,842

Blackfoot, East 810

Bloomfield 174,297 1,110,577

Bloomfield, South 311,599 589,046

Blue Hill 162,251

Blue Mountain 2,561 214,145

Border 1,408 1,515,961

Boulder 156,754

Bowes 197,615 12,247,221

Box Canyon 245,847

Bradley 441 279,048

Brady 2,162 284,277

Bredette 232,121

Bredette, North 488,554

Breed Creek 47,995 3,438,788

Brorson 32,596 5,724,065

Brorson, South 16,120 2,602,901

Brush Lake 108,187 5,434,331

Buffalo Flat 603

Buffalo Lake 936

Burget 4,697 131,751

Burget, East 14,927 672,157

Burns Creek 269,005

Burns Creek, South 221 82,470

Butcher Creek 579

Bynum 5,971

Cabaret Coulee 462,275

Cabin Creek 840,879 116,992,676

Cadmus 1,173

Canadian Coulee 1,086 10,673

Canal 18,682 1,645,746

Cannon Ball 74,779

Carlyle 330,289

Cat Creek 24,116 24,361,000

Cattails 31,481 1,432,818

Cattails, South 4,122 386,626

Cedar Hills, West Unit 7,216 65,020

Charlie Creek 10,548 1,171,244

Charlie Creek, East 26,748 1,274,494

Charlie Creek, North 43,894

Chelsea Creek 153,831

Clark's Fork 305 102,347

Clark's Fork, North 1,024,608

Clark's Fork, South 2,898 96,257

Clear Lake 43,372 4,889,790

Clear Lake, South 14,055 476,206

Coalridge 3,071 44,383

Colored Canyon 4,725 1,306,402

Comertown 24,568 3,380,857

Comertown, South 7,475 592,794

Conrad, South 612 165,760

Corner Pocket 14,483

Cottonwood 23,954 831,513

Cottonwood, East 3,714 181,015

Cow Creek 127,813

Cow Creek, East 7,385 2,827,318

Crane 48,154 3,982,749

Crocker Springs, East 3,476

Crooked Creek 28,999

Culbertson 175,652

Cupton 33,033 3,164,163

Curlew 5,468

Cut Bank 290,174 172,717,227

Dagmar 6,108 825,035

Dagmar, North 55,342

Deadman's Coulee 264,528

Dean Dome 92,597

Deer Creek 24,638 3,252,548

Delphia 1,054 374,450

Den 176,125

Devil's Basin 937 141,235

Devil's Pocket 53,796

Diamond Point 12,189 1,299,115

Divide 87,506 4,430,857

10 - 1
Field

Annual Oil

Barrels

Cumulative

Barrels Field

Annual Oil

Barrels

Cumulative

Barrels

Dooley 6,156 435,633

Dry Creek 184 4,172,565

Dry Creek, Middle 602 27,479

Dry Creek, West 16,444

Dugout Creek 17,501 788,563

Dugout Creek, South -26 57,400

Dunkirk, North 19

Dutch Henry 104,164

Dutch John Coulee 7,392 351,928

Dwyer 80,177 10,766,420

Eagle 15,692 2,475,967

East Glacier 5,771 40,013

Elk Basin 330,231 93,297,626

Elk Basin, Northwest 29,947 2,919,315

Elm Coulee 10,118,133 125,611,690

Elm Coulee, Northeast 3,721,015 5,432,167

Enid, North 48,636 1,164,710

Epworth 2,104 124,252

Fairview 56,566 10,535,108

Fairview, East 250 532,542

Fairview, West 7,870 604,471

Fertile Prairie 807,540

Fiddler Creek 490 4,009

Fishhook 21,564 1,504,710

Flat Coulee 21,221 5,892,146

Flat Lake 500,581 22,291,487

Flat Lake, East 7,895 295,426

Flat Lake, South 14 1,292,179

Flaxville 56,283

Fort Gilbert 15,123 2,740,319

Four Buttes 42,391

Four Mile Creek 12,280 527,493

Four Mile Creek, West 9,640 653,606

Fox Creek 4,923 304,137

Fox Creek, North 75,398

Fox Lake 1,977 46,563

Frannie 773,613

Fred & George Creek 34,424 13,919,615

Frog Coulee 4,742 373,125

Froid, South 6,585 455,894

Gage 905 686,324

Gage, Southwest 16,289

Gas City 124,705 13,145,593

Gettysburg 304

Girard 2,736 741,472

Glendive 65,541 15,285,126

Glendive, South 68,936

Golden Dome 108 124,939

Goose Lake 43,616 10,772,067

Goose Lake Red River 3,130 83,146

Goose Lake, East 4,522

Goose Lake, Southeast 45,527

Goose Lake, West 3,198 772,908

Gossett 1,215 424,891

Graben Coulee 12,253 2,702,722

Grandview 12,324 88,347

Grandview, East 704 73,190

Gray Blanket 8,897 519,321

Grebe 4,176 83,399

Green Coulee 128,759

Green Coulee, East 2,835 210,883

Gumbo Ridge 1,290 646,125

Gunsight 38,392 1,018,340

Gypsy Basin 331 522,973

Hardscrabble Creek 170,566

Hawk Creek 13,277

Hawk Haven 1,767 54,099

Hay Creek 6,912 1,825,659

Hell Coulee 67,203

Hiawatha 5,795 1,793,372

Hibbard 226,494

High Five 50,855 3,461,102

Highview 1,220 141,236

Highview, East 2,675 2,675

Hodges Creek 876 17,328

Homestead 303

Honker 117,078

Horse Creek 13,516

Howard Coulee 5,221 285,995

Injun Creek 210 144,370

Intake II 5,948 1,070,987

Ivanhoe 46,636 5,007,326

Jack Creek 1,310

Jim Coulee 656 4,541,750

Johnson Lake 20 574

Katy Lake 8,355 372,793

Katy Lake, North 64,464 7,144,249

Keg Coulee 6,554 5,865,902

Keg Coulee, North 14 451,709

Kelley 2,600 1,068,237

Kevin, East Nisku Oil 13,156 981,275

Kevin-Sunburst 253,637 84,481,743

Kicking Horse 1,526

Kincheloe Ranch 6,646 924,523

Kippen Area, East 150

Kippen, East 150

Krug Creek 15,288

Laird Creek 1,405 639,993

Lake Basin 473,639

Lakeside 487

Lambert 28,707 911,260

Lambert, North 36,552

Lambert, South 17,904 836,482

Lamesteer Creek 31,845

Landslide Butte 14,280 916,364

Lane 69,967 1,821,399

Lariat 3,599

Laurel 1,017

Leary 1,795 701,816

Line Coulee 57,789

Lisk Creek 1,963

Lisk Creek, South 4,229 43,922

10 - 2
Field

Annual Oil

Barrels

Cumulative

Barrels Field

Annual Oil

Barrels

Cumulative

Barrels

Little Beaver 212,203 18,151,681

Little Beaver, East 98,476 8,393,072

Little Phantom 58,500

Little Wall Creek 11,861 3,979,325

Little Wall Creek, South 8,012 1,583,741

Lobo 260,135

Lodge Grass 399,934

Lone Butte 10,278 1,002,380

Lone Rider 5,903

Lone Tree 1,406 1,406

Loneman Coulee 820 2,119

Lonetree Creek 43,239 5,873,143

Lonetree Creek, West 33,029

Long Creek 1,297 108,318

Long Creek, West 9,796 1,036,838

Lookout Butte 679,780 37,173,430

Lookout Butte, East, Unit 937,152 28,141,708

Lost Creek 1,534

Lowell 28,918 907,971

Lowell, South 2,186 281,680

Lustre 86,292 7,210,942

Lustre, North 190,767

Mackay Dome 48,837 230,720

Malcolm Creek 11,450

Mason Lake 1,018,126

Mason Lake North 17,923

McCabe 4,422 333,081

McCabe, East 7,437 223,468

McCabe, South 6,599

McCabe, West 69,988

McCoy Creek 6,298 130,581

McDonald Creek 3,102

Meander 8,873

Medicine Lake 24,713 4,368,489

Medicine Lake, South 2,978 240,363

Melstone 2,300 3,392,968

Melstone, North 12,710 848,717

Midby 70,172

Midfork 34,587 1,090,885

Mineral Bench 186,656

Miners Coulee 18,184 516,703

Missouri Breaks 437,188

Mon Dak, West 163,188 13,830,580

Mona 168,400

Monarch 135,455 10,105,475

Mosser Dome 7,423 527,829

Musselshell 45,054

Mustang 20,296 1,382,565

Neiser Creek 7,770 736,414

Nielsen Coulee 3,015 272,248

Ninemile 80,513

Nohly 76,523 8,844,746

Nohly, South 145,933

North Fork 5,831 683,883

Olje 163,500

Ollie 279,880

Otis Creek 2,564 959,919

Otis Creek, South 6,325 418,060

Otter Creek 28,492

Outlet 6,384

Outlook 49,626 9,618,781

Outlook, South 693,151

Outlook, Southwest 3 155,477

Outlook, West 28,659 1,267,654

Oxbow 17,318 904,547

Oxbow II 8,720 788,926

Palomino 49,101 3,799,245

Pasture 2,869

Pasture Creek 4,783

Pelican 191,494

Pennel 1,204,856 122,760,474

Pete Creek 23,343

Phantom 43,585

Pine 873,849 129,375,075

Pine, East 19,349

Pipeline 16,424

Plentywood 22,830

Pole Creek 169,726

Police Coulee 14

Pondera 159,245 29,714,026

Pondera Coulee 8,699 149,567

Poplar, East 74,527 47,638,876

Poplar, Northwest 52,749 5,193,143

Poplar, Southeast 162,546

Prairie Dell 1,767

Prairie Elk 206 105,036

Prichard Creek 194 168,221

Pronghorn 490,237

Putnam 41,020 6,640,864

Rabbit Hills 77,372 3,535,972

Rabbit Hills, South 11,630 321,638

Ragged Point 753 3,813,007

Ragged Point, Southwest 5,848 707,119

Rainbow 167,273

Rattler Butte 20,693 1,967,780

Rattler Butte, South 15,403

Rattlesnake Butte 4,905 756,860

Rattlesnake Coulee 182 91,206

Raymond 6,272 5,780,844

Raymond, North 150,342

Raymond, Northeast 120,687

Reagan 56,623 10,774,852

Red Bank 65,603 3,135,535

Red Bank, South 387,759

Red Creek 36,960 7,320,160

Red Fox 380,137

Red Water 1,277 143,986

Red Water, East 4,861 409,707

Redstone 3,290 497,278

Refuge 312,284

Repeat 23,685 769,636

Reserve 10,734 2,290,036

10 - 3
Field

Annual Oil

Barrels

Cumulative

Barrels Field

Annual Oil

Barrels

Cumulative

Barrels

Reserve II 634 229,182

Reserve, South 107,929

Richey 2,030,660

Richey, East 10,386

Richey, Southwest 1,903,189

Richey, West 11,062

Ridgelawn 72,648 9,205,730

Ridgelawn, North 9,383 487,398

Ringling 787

Rip Rap Coulee 24,174 1,242,551

River Bend 275,733

Rocky Point 8,865 692,500

Roscoe Dome 972 17,032

Rosebud 2,384 611,772

Rough Creek 3,599

Royals 252 408,627

Royals, South 3,082

Rudyard 1,032 34,099

Runaway 4,532

Rush Mountain 25,595 1,092,554

Salt Lake 11,520 1,309,989

Salt Lake, West 7,969 379,973

Sand Creek 583 2,413,338

Saturn 42,805

Scobey 3,916

Second Creek 3,120 1,463,266

Second Guess 1,087 38,829

Sheepherder 76,942

Short Creek 8,950

Shotgun Creek 28,757 1,284,288

Shotgun Creek, North 100,054

Sidney 11,794 3,738,678

Sidney, East 2,009 647,892

Singletree 373,992

Sioux Pass 86,033 6,110,804

Sioux Pass, East 89,267

Sioux Pass, Middle 10,391 1,938,913

Sioux Pass, North 79,679 6,482,941

Sioux Pass, South 2,001 376,378

Sioux Pass, West 23,819 552,306

Smoke Creek 100,305

Snake Creek 6,613 146,387

Snoose Coulee 6,861

Snowden 1,938

Snyder 477,620

Soap Creek 33,892 3,432,717

Soap Creek, East 4,246 280,866

South Fork 10,056 1,284,236

Spring Lake 17,350 1,939,467

Spring Lake, South 114,064

Spring Lake, West 1,094 103,401

Stampede 7 435,035

Stampede, North 4,566

Stensvad 25,421 10,519,756

Studhorse 2,087 226,459

Sumatra 86,446 47,171,888

Sumatra, East 22,658 22,658

Sundown 40,626

Sunny Hill 273,589

Sunny Hill, West 194,871

Target 39,053 1,847,102

Thirty Mile 63 17,600

Three Buttes 11,541 778,129

Tinder Box 4,772 144,448

Tippy Buttes 126,246

Tule Creek 3,877 8,555,533

Tule Creek, East 2,056,293

Tule Creek, South 3,908 1,093,234

Two Medicine Creek 10,249

Two Waters 6,442 442,878

Utopia 15,256 1,048,220

Vaux 50,182 6,179,524

Vida 264,988

Viking 160

Volt 62,042 4,765,471

Wagon Box 32,412

Wagon Trail 43,321

Wakea 16,320 3,305,862

Waterhole Creek 111,033 2,285,315

Weed Creek 1,603 665,588

Weldon 7,050,531

West Butte 253 345,471

West Fork 6,671

Weygand 6,278 285,522

Whitlash 109,950 6,246,419

Whitlash, West 2,578 158,257

Wibaux 23,580

Willow Creek, North 2,215 462,853

Willow Ridge 733 76,370

Willow Ridge, South 31 3,617

Wills Creek, South 35,733 2,234,959

Windmill 31,943

Windy Ridge 212,720 1,925,557

Winnett Junction 6,169 1,187,699

Wolf Creek 1,979

Wolf Springs 2,988 4,945,862

Wolf Springs, South 389 928,784

Womans Pocket 3,526

Woodrow 10,013 1,542,300

Wrangler 7,143 886,947

Wrangler, North 2,337 224,170

Wright Creek 4,330 416,868

Yates 70,861

Yellowstone 39,405

10 - 4
2012 Field Summary, Reported Gas Fields

Field

Annual Gas

MCF Field

Annual Gas

MCF Field

Annual Gas

MCF

Alma 8,558

Amanda 224,660

Antelope Coulee 31

Arch Apex 94,717

Ashfield 1,030,112

Badlands 175,916

Battle Creek 1,167,203

Battle Creek, South 3,386

Bear's Den 2,668

Bell Creek, Southeast 41,407

Big Coulee 243,774

Big Rock 161,092

Bills Coulee 610

Black Butte 26,459

Black Coulee 156,168

Black Jack 43,618

Blackfoot 20,643

Bowdoin 6,906,974

Bowes 220,770

Bradley 1,861

Brown's Coulee 29,941

Brown's Coulee, East 82,533

Bullwacker 911,236

Camp Creek 2,539

Canadian Coulee, North 4,365

Cedar Creek 9,877,949

Cherry Patch, Southeast 75,131

Cherry Patch, Southwest 76,135

Chinook, East 37,767

Clark's Fork 12,793

Coal Creek 137,385

Coal Mine Coulee 9,436

Cut Bank 1,392,586

CX 2,977,309

Devon 36,143

Devon, East 39,955

Devon, South Unit 5,582

Dry Creek 370,243

Dry Creek (Shallow Gas) 65,310

Dry Creek, Middle 29,866

Dry Creek, West 70,220

Dry Fork 4,801

Dunkirk 30,434

Dunkirk, North 52,157

Dunmore 80,111

Dutch John Coulee 57,678

Eagle Spring 6,019

Ethridge 54,542

Ethridge, North 1,856

Fitzpatrick Lake 47,118

Flat Coulee 13,179

Fort Conrad 3,125

Four Mile Creek 1,802

Fred & George Creek 18,492

Fresno 220,975

Galata 5,750

Gas Light 35,184

Golden Dome 48,918

Grandview 34,423

Hammond 22,142

Hardpan 23,223

Haystack Butte 21,988

Haystack Butte, West 29,991

Keith Area 12,681

Keith, East 271,328

Kevin Southwest 155,109

Kevin Sunburst (Dakota) 3,740

Kevin Sunburst-Bow Island 28,834

Kevin, East Bow Island Gas 10,880

Kevin, East Gas 30,986

Kevin, East Nisku Oil 46,144

Kevin-Sunburst 430,414

Kevin-Sunburst Nisku Gas 35,766

Kicking Horse 69,541

Laird Creek 12,088

Lake Basin 65,499

Lake Francis 73,786

Ledger 71,656

Leroy 162,940

Liscom Creek 46,268

Little Creek 37,026

Little Rock 51,756

Lohman 12,028

Lohman Area 1,514

Loring 1,274,750

Loring, East 555,175

Loring, West 50,303

Marias River 8,882

Martin Lake 29,259

Middle Butte 30,675

Milk River 31,541

Miners Coulee 119,363

Mt. Lilly 36,284

O'Briens Coulee 77,648

Old Shelby 260,251

Phantom 3,432

Phantom, West 16,211

Pine Gas 248,364

Plevna 15,568

Plevna, South 31,430

Police Coulee 38,869

Potter 821

Prairie Dell 428,215

Prairie Dell, West 18,204

Rapelje 2,234

Red Rock 767,126

Rocky Boy Area 248,596

Rudyard 25,246

Sage Creek 44,575

Sawtooth Mountain 1,171,975

Sears Coulee 13,934

Shelby, East 14,745

Sherard 95,940

Sherard, Area 869,485

Sixshooter Dome 36,118

Snoose Coulee 27,708

Snow Coulee 372

Spring Coulee 829

St. Joe Road 708,424

Strawberry Creek Area 3,798

Swanson Creek 158,041

Three Mile 27,381

Tiber 1,986

Tiber, East 29,570

Tiger Ridge 5,878,035

Timber Creek, West 823

Toluca 150,185

Trail Creek 38,782

Utopia 121,438

Vandalia 21,392

Waddle Creek 24,834

West Butte 16,131

West Butte Shallow Gas 4,957

White Bear 5,032

Whitewater 1,281,437

Whitewater, East 139,401

Whitlash 504,915

Whitlash, West 14,069

Williams 53,197

Willow Ridge 9,795

Willow Ridge, South 83,996

Willow Ridge, West 9

Winifred 3,126

11 - 1
County Oil

Barrels

Assoc. Gas

MCF

Gas

MCF

Oil Gas CBM Service

Production Well Completions

Dry

2012 County Drilling And Production Statistics

Big Horn 47,035 0 3,682,538 0 11 0 0 0

Blaine 302,284 1 6,534,940 3 0 0 0 0

Carbon 376,651 670,451 599,187 2 0 0 1 0

Carter 23,685 0 22,142 0 0 0 0 0

Chouteau 0 0 989,234 0 0 0 0 0

Custer 0 0 46,268 0 0 0 0 0

Daniels 3,015 0 0 0 0 0 0 0

Dawson 758,267 128,084 0 7 0 0 0 0

Fallon 4,600,595 2,720,863 10,001,357 7 0 0 0 0

Fergus 0 0 30,879 2 0 0 0 0

Garfield 17,258 1,955 0 1 0 0 0 0

Glacier 411,233 185,752 1,331,704 8 0 0 0 5

Golden Valley 0 0 140,745 0 0 0 0 0

Hill 2,118 0 5,725,933 0 1 0 0 0

Liberty 158,404 65,882 1,245,977 0 0 0 0 0

McCone 7,591 0 0 0 0 0 0 1

Musselshell 157,108 6,737 0 1 0 0 0 0

Petroleum 26,236 4,380 0 3 0 0 0 0

Phillips 0 0 10,064,797 0 2 0 0 1

Pondera 141,766 0 202,353 1 0 0 0 3

Powder River 356,292 7,774 41,407 0 0 0 5 0

Prairie 60,243 431 335 0 0 0 0 0

Richland 12,472,134 14,473,524 0 96 0 0 4 2

Roosevelt 3,537,619 2,447,667 0 42 0 0 2 1

Rosebud 329,160 23,034 0 4 0 0 0 0

Sheridan 1,439,335 526,902 0 27 0 0 0 0

Stillwater 37,923 0 172,252 2 0 0 0 0

Sweetgrass 0 0 36,118 0 0 0 0 0

Teton 60,340 0 610 1 0 0 0 2

Toole 353,589 108,225 2,858,114 10 1 0 0 8

Valley 120,879 8,635 1,413,588 2 1 0 0 2

Wibaux 678,566 226,744 206,803 2 0 0 0 0

Yellowstone 12,403 0 0 3 0 0 0 1

Total: 26,491,729 45,347,281 21,607,041 224 16 0 26 12

The volume of oil shown in this report includes condensate or reported natural gas liquids.

Associated gas is gas from a well that produces less than 10,000 standard cubic feet of gas for each barrel of oil.

12 - 1
2012 Well Completion Summary By County

OPERATOR * LOCATION WELL NAME API TYPE ** FIELD INTERVAL DATE 

COMP

003 Big Horn

Highline Exploration, Inc. NWSE 11-1S-31E Schultz 57-11 22904 Toluca Belle Fourche GAS 11/07/1

Highline Exploration, Inc. NESE 11-1S-31E Schultz 58-11 22905 Toluca Belle Fourche GAS 11/05/1

Highline Exploration, Inc. SWSE 11-1S-31E Schultz 69-11 22906 Toluca Belle Fourche GAS 11/17/1

Highline Exploration, Inc. NESW 12-1S-31E L. Davenport 60-12 22907 Toluca Belle Fourche GAS 11/01/1

Highline Exploration, Inc. NWSE 12-1S-31E L. Davenport 61-12 22908 Toluca Belle Fourche GAS 10/23/1

Highline Exploration, Inc. NESE 12-1S-31E L. Davenport 62-12 22909 Toluca Belle Fourche GAS 12/04/1

Highline Exploration, Inc. SWSW 12-1S-31E L. Davenport 70-12 22910 Toluca Belle Fourche GAS 11/17/1

Highline Exploration, Inc. SWSE 12-1S-31E L. Davenport 71-12 22911 Toluca Belle Fourche GAS 10/25/1

Highline Exploration, Inc. NWNW 13-1S-31E Dringman 75-13 22912 Toluca Belle Fourche GAS 10/29/1Highline Exploration, Inc. NWNE 13-1S-31E Dringman 76-13 22913 Toluca Belle Fourche GAS 11/20/1Highline Exploration, Inc. NWSW 12-1S-31E L. Davenport 59-12 22914 Toluca Belle Fourche GAS 12/01/1

005 Blaine

Citation Oil & Gas Corp. SESW 11-31N-19E BSU D811H 23804 Bowes Sawtooth OIL 09/13/1

Citation Oil & Gas Corp. NENE 12-31N-19E BSU G112H 23805 Bowes Bowes Member OIL 09/03/1

Citation Oil & Gas Corp. SWNW 36-32N-19E BSU A336H 23806 Bowes Sawtooth OIL 08/11/1

009 Carbon

Longshot Oil, LLC SWSE 13-5S-24E Bauwens 15-13 21291 W OIL ildcat Carbon Tensleep 03/06/1Energy Corporation of America NWSW 13-6S-17E ECA Foothills 2-H 21299 Wildcat Carbon Greybull OIL 09/07/1

Energy Corporation of America SWNW 24-6S-17E Foothills 6D 21300 Wildcat Carbon Lakota, Greybull SWD 07/26/1

021 Dawson

Petro-Hunt, LLC NWNW 21-19N-54E Olson 19-54 21B-2-1 21185 Wildcat Dawson Red River OIL 02/04/1Petro-Hunt, LLC SENW 36-19N-54E State 19-54 36B-4-1 21186 Wildcat Dawson Red River OIL 03/04/1Petro-Hunt, LLC SESE 8-18N-54E Kolberg 18-54 8D-4-1 21187 Wildcat Dawson Red River OIL 04/25/1Petro-Hunt, LLC NENW 30-18N-55E USA 18-55 30B-1-1 21188 Wildcat Dawson Red River OIL 01/11/1

Petro-Hunt, LLC SWNE 26-18N-51E Wolff & Sons 18-51 26A-3-1 21191 Wildcat Dawson Lodgepole OIL 01/10/1Petro-Hunt, LLC NESE 18-19N-54E Walter Senner 19-54 18D-2-1 21192 Wildcat Dawson Red River OIL 08/26/1

Petro-Hunt, LLC NWSW 2-19N-54E Borntrager 2C-2-1 21193 Wildcat Dawson Red River OIL 09/19/1

025 Fallon

Continental Resources Inc SWSW 10-6N-61E Waterhole Creek 14-10SH 23053 Cedar Hills, West Unit Red River OIL 03/22/1

Continental Resources Inc S2S2 14-6N-61E Corral Creek 14-14SH 23054 Cedar Hills, West Unit Red River OIL 01/27/1Continental Resources Inc SESW 27-7N-61E Merritt 24-27NH 23059 Cedar Hills, West Unit Red River OIL 10/24/1Continental Resources Inc SWNW 27-7N-61E Merritt 12-27NH 23060 Cedar Hills, West Unit Red River OIL 09/19/1Continental Resources Inc NWSW 27-7N-61E Merritt 13-27NH 23061 Cedar Hills, West Unit Red River OIL 10/10/1Continental Resources Inc SWNW 23-6N-61E Buffalo Creek 12-23SH 23062 Cedar Hills, West Unit Red River OIL 02/29/1Wesco Operating, Inc. SENW 9-9N-59E Hickerson 22X-9R 23063 Cupton Red River OIL 09/07/1

027 Fergus

Petroshale Energy, LLC SWNW 4-14N-17E Padre 1A 21261 W OIL ildcat Fergus Heath 05/17/1

13 - 1
OPERATOR * LOCATION WELL NAME API TYPE ** FIELD INTERVAL DATE 

COMP

Petroshale Energy, LLC SWNW 34-15N-16E Arrowhead 1A 21263 Wildcat Fergus Heath OIL 07/02/1

033 Garfield

Cirque Resources LP NWNW 10-13N-32E Lucky Strike 10-4H 21162 Wildcat Garfield Heath OIL 02/21/1

035 Glacier

Rosetta Resources Operating LP SESE 31-34N-6W Tribal Gunsight 31-16H 22121 Wildcat Glacier DH 07/27/1

Anschutz Exploration Corporation SWNW 4-30N-10W White Calf 1-4 22126 Wildcat Glacier Sun River Dolomite OIL 05/07/1Rosetta Resources Operating LP SESE 27-35N-7W Little Rock Coulee 27-16H 22146 Wildcat Glacier DH 03/02/1Anschutz Exploration Corporation SWNE 26-36N-13W Pine Ridge 1-26 22164 Wildcat Glacier OIL 11/02/1Rosetta Resources Operating LP SWSE 12-32N-7W Tribal Gunsight S 12-15V 22166 Wildcat Glacier DH 05/16/1

Rosetta Resources Operating LP SWSW 29-37N-6W Tribal Big Rock 3706-29-13H 22184 Wildcat Glacier DH 10/02/1

Rosetta Resources Operating LP SESE 18-34N-6W Tribal Coyote Springs 3406 18- 22187 Wildcat Glacier OIL 06/10/1

Anschutz Exploration Corporation SWNW 28-31N-10W SW Browning 1-28H-31-10 22192 Wildcat Glacier Cone Calcar OIL eous Member 07/12/1

Anschutz Exploration Corporation SESW 14-33N-12W Mallard 1-14H-33-12 22193 Wildcat Glacier Cone Calcareous OIL Member 08/21/1

Omimex Canada, Ltd. NWSW 10-37N-7W Tribal 355 12-10-37N-7W 22194 Wildcat Glacier Madison OIL 11/06/1

Anschutz Exploration Corporation SWSE 8-32N-12W Flat Iron 1-8-32-12 22204 Wildcat Glacier OIL 10/28/1

Rosetta Resources Operating LP SESE 27-35N-7W Little Rock Coulee 3507-27-16H 22205 Wildcat Glacier OIL 06/07/1Anschutz Exploration Corporation SWNW 14-33N-12W Mallard 2-14-33-12 22206 Wildcat Glacier DH 06/17/1

041 Hill

G/S Producing, Inc. NWSE 28-34N-9E Weil 1 23548 Wildca GAS t Hill 06/15/1

055 McCone

Zeiders Bros. Oil & Gas Company, L.L.C. SENE 5-22N-47E Rudolph Haynie 1-5 21207 Wildcat McCone DH 05/25/1

065 Musselshell

True Oil LLC SENW 22-11N-24E Tranel 22-22H 21884 Wildcat Musselshe OIL ll Heath 02/29/1

069 Petroleum

Central Montana Resources, LLC NENE 9-13N-29E Snowmane 5 21184 Wildcat Petroleum Heath OIL 01/12/1Central Montana Resources, LLC NENW 8-13N-29E Snowmane 6 21185 Wildcat Petroleum Heath OIL 12/27/1Central Montana Resources, LLC NESW 6-13N-26E Yellow Water 1 21186 Wildcat Petroleum Heath OIL 04/20/1

071 Phillips

Decker Operating Company, L.L.C. SWNW 29-33N-31E MRFU 2931-2 23330 Wildcat Phillips Phillips GAS 10/30/1Decker Operating Company, L.L.C. SESE 15-37N-29E MLFU 1579-1 23331 Wildcat Phillips Bowdoin GAS 10/30/1Fidelity Exploration & Production Co. SWNE 1-32N-32E Blomberg 32-1 23332 Wildcat Phillips DH 04/21/1

073 Pondera

Sands Oil Company SWNW 21-28N-5W New Miami Colony 42-20H 21847 Wildcat Pondera Madison OIL 05/16/1

Primary Petroleum Company USA, Inc. SESW 27-28N-7W Dupuyer Ridge 14-27-28-7 21848 Wildcat Pondera DH 04/12/1

Primary Petroleum Company USA, Inc. SESE 35-28N-8W Dupuyer Ridge 16-35-28-8 21849 Wildcat Pondera DH 01/21/1

Primary Petroleum Company USA, Inc. NWNW 5-28N-4W Benton Bench 4-5-28-4 21850 Wildcat Pondera DH 04/24/1

075 Powder River

Denbury Onshore, LLC SWNW 32-8S-54E Langhoff 32-5 21192 Bell Creek Muddy EOR 07/20/1

13 - 2
OPERATOR * LOCATION WELL NAME API TYPE ** FIELD INTERVAL DATE 

COMP

Denbury Onshore, LLC SWSW 32-8S-54E Unit D 3213 21205 EOR Bell Creek Muddy 07/16/1Denbury Onshore, LLC SWSW 6-9S-54E Federal 5613 21260 EOR Bell Creek Muddy 07/19/1Denbury Onshore, LLC SWNE 6-9S-54E Unit D 607 21448 Be EOR ll Creek Muddy 08/18/1

Denbury Onshore, LLC SENW 5-9S-54E Well 0506 OW 22431 MON Bell Creek 01/10/1

083 Richland

Poor Boy Oil, LLP NWNW 29-24N-59E Dore 1 21281 Fort Gi SWD lbert Dakota 02/03/1Slawson Exploration Company Inc NWSW 19-23N-54E Verschoot 1-19 SWD 21866 Lane Dakota SWD 05/21/1Shadwell Resources Group, LLC NWNW 10-23N-58E Velma SWD 1-10H 22531 Wildcat Richland Dakota SWD 10/31/1Encore Energy Partners Operating LLC SENW 9-24N-57E Jensen 3-9 22744 Lonetree Creek Red River OIL 08/04/1

Whiting Oil and Gas Corporation NENE 27-25N-57E Sorteberg 27-34 1H 22858 Wildcat Richland Bakken OIL 12/15/1XTO Energy Inc. SWSE 12-23N-58E Panasuk 34X-12 22882 W OIL ildcat Richland Bakken 02/23/1Whiting Oil and Gas Corporation NENE 24-25N-56E Lone Butte Patricia 24-25 1H 22884 Wildcat Richland Bakken OIL 09/04/1Whiting Oil and Gas Corporation NWNE 26-24N-58E Prewitt 26-35 1TFH 22890 Wildcat Richland Three Forks OIL 09/27/1

Slawson Exploration Company Inc NWNW 20-23N-53E Rover 1-20H 22894 Wildcat Richland Bakken OIL 01/31/1

Statoil Oil & Gas LP NENE 11-25N-59E Voss 11-14 2-H 22895 Wildcat Richland Bakken OIL 02/06/1Continental Resources Inc SWSE 20-26N-54E Davies 1-20HR 22896 Wildcat Richland Bakken OIL 08/04/1Whiting Oil and Gas Corporation NENW 3-25N-57E Barter 21-3H 22897 Wildcat Richland Bakken OIL 02/06/1

Continental Resources Inc SESW 24-26N-54E Ripley 1-24H 22898 Wildcat Richland Bakken OIL 01/26/1

Continental Resources Inc NWNE 4-25N-55E Jane 1-4H 22899 Wildcat Richland Bakken OIL 01/12/1

Continental Resources Inc NWNE 8-26N-53E Slocum 1-8H 22900 Wildcat Richland Bakken OIL 02/02/1Slawson Exploration Company Inc SESE 26-21N-59E Arrowhead (Federal) 1-26H 22901 Wildcat Richland Bakken OIL 03/14/1Slawson Exploration Company Inc SWSW 32-21N-60E Culverin 1-32H 22902 Wildcat Richland Bakken OIL 06/11/1

Slawson Exploration Company Inc SESW 22-23N-53E Cutthroat 1-22H 22903 Wildcat Richland Bakken OIL 02/03/1Slawson Exploration Company Inc NENE 22-24N-52E Sentinel 1-22H 22904 Wildcat Richland Bakken OIL 07/17/1Slawson Exploration Company Inc SESE 6-23N-53E Android 1-6H 22908 Wildcat Richland Bakken OIL 10/22/1

Slawson Exploration Company Inc NWNW 30-21N-59E Dart (Federal) 1-30H 22909 Wildcat Richland Bakken OIL 04/23/1

Continental Resources Inc SESW 33-26N-55E Calvin 1-33H 22911 Wildcat Richland Bakken OIL 02/27/1

Continental Resources Inc NWNE 20-23N-55E Shevlin 1-20H 22912 Wildcat Richland Bakken OIL 04/27/1

Continental Resources Inc NWNE 18-26N-54E Farnsworth 1-18H 22913 Wildcat Richland Bakken OIL 03/17/1Continental Resources Inc SESW 10-27N-53E Abercrombie 1-10H 22914 Wildcat Richland Bakken OIL 04/27/1

Statoil Oil & Gas LP NWNE 15-25N-58E Verrene 15-22 1TFH 22916 Wildcat Richland Three Forks OIL 04/29/1

Continental Resources Inc NENW 14-26N-53E Gorman 1-11H 22917 Wildcat Richland Bakken OIL 11/27/1Whiting Oil and Gas Corporation NENW 28-25N-57E State 21-28H 22918 Wildcat Richland Bakken OIL 04/17/1

Slawson Exploration Company Inc NENE 12-23N-52E Villain 1-12H 22919 Wildcat Richland Bakken OIL 05/21/1Fidelity Exploration & Production Co. NENW 15-21N-57E Edam 15-22H 22920 Wildcat Richland Bakken OIL 07/01/1Continental Resources Inc NENW 15-26N-54E Kane 1-10H 22921 Wildcat Richland Bakken OIL 06/13/1XTO Energy Inc. SENE 18-23N-59E Peterson 42X-18 22922 OIL Wildcat Richland Bakken 03/31/1Continental Resources Inc NENW 14-26N-54E Potts 1-11H 22923 Wildcat Richland Bakken OIL 03/22/1Continental Resources Inc NWNE 1-26N-54E Sherman 1-1H 22924 Wildcat Richland Bakken OIL 09/29/1Continental Resources Inc SWSE 27-23N-55E Lucille 2-27H 22925 Wildcat Richland Bakken OIL 05/06/1Continental Resources Inc NWNE 17-26N-55E Wagner 1-17H 22926 Wildcat Richland Bakken OIL 06/22/1Continental Resources Inc SESW 3-25N-55E Sharon 1-3H 22927 Wildcat Richland Bakken OIL 03/20/1

13 - 3
OPERATOR * LOCATION WELL NAME API TYPE ** FIELD INTERVAL DATE 

COMP

Slawson Exploration Company Inc NWNW 2-23N-52E Desperado (Federal) 1-2H 22928 Wildcat Richland Bakken OIL 05/02/1

Continental Resources Inc SESW 19-27N-55E Mackie 1-19H 22930 Wildcat Richland Bakken OIL 10/05/1Whiting Oil and Gas Corporation NENW 30-26N-57E Hackley 21-30H 22931 Wildcat Richland Bakken OIL 05/21/1XTO Energy Inc. SWNW 17-23N-59E Beagle 12X-17 22932 Wi OIL ldcat Richland Bakken 04/19/1Whiting Oil and Gas Corporation SESW 8-25N-58E Kittleson 24-8TFH 22933 Wildcat Richland Three Forks OIL 06/10/1

Statoil Oil & Gas LP NWNE 13-26N-58E Shirley 13-24 1H 22934 Wildcat Richland Bakken OIL 10/06/1Continental Resources Inc NENW 14-26N-53E Egan 1-14H 22935 Wildcat Richland Bakken OIL 11/20/1Continental Resources Inc SESW 19-25N-57E Conaway 1-19H 22937 Wildcat Richland Bakken OIL 06/02/1Oasis Petroleum North America LLC NENW 10-26N-58E Olson Bottoms Fed. 2658 12-10 22939 Wildcat Richland Bak OIL ken 04/11/1

Fidelity Exploration & Production Co. SWSE 21-22N-57E Bouchard 34-21H 22940 Wildcat Richland Three Forks OIL 05/02/1Slawson Exploration Company Inc NWNW 24-21N-59E Canucks 2-13H 22942 Wildcat Richland Bakken OIL 09/06/1Slawson Exploration Company Inc NWNW 24-21N-59E Pilum 1-24H 22943 Wildcat Richland Bakken OIL 10/17/1

Slawson Exploration Company Inc SWSW 30-21N-60E Cleaver 1-30H 22944 Wildcat Richland Bakken OIL 06/19/1Slawson Exploration Company Inc SESE 36-24N-52E Rogue 1-36H 22945 Wildcat Richland Bakken OIL 07/23/1Slawson Exploration Company Inc SESE 34-24N-52E Rapscallion 1-34H 22946 Wildcat Richland Bakken OIL 10/02/1Continental Resources Inc NENW 10-26N-53E Cooper 1-10H 22947 Wildcat Richland Bakken OIL 12/31/1

Slawson Exploration Company Inc NENE 4-23N-52E Rustler 1-4H 22949 Wildcat Richland Bakken OIL 12/14/1XTO Energy Inc. SESE 26-23N-59E Hanson 44X-26B 22950 W OIL ildcat Richland Bakken 05/23/1Continental Resources Inc SWSE 16-26N-54E Mott 1-16H 22952 Wildcat Richland Bakken OIL 09/11/1Whiting Oil and Gas Corporation SESW 35-25N-57E Salsbury 24-35-1H 22956 Wildcat Richland Bakken OIL 07/03/1Oasis Petroleum North America LLC NENW 25-26N-58E Loki 2658 12-25H 22957 Wildcat Richland Bakken OIL 07/13/1Whiting Oil and Gas Corporation SWSW 33-26N-58E Iverson Bros 14-33H 22958 Wildcat Richland Bakken OIL 08/10/1XTO Energy Inc. NESE 25-26N-52E Headington 43X-25B 22961 Wildcat Richland Bakken OIL 05/27/1

Whiting Oil and Gas Corporation SESW 32-26N-57E Mahlen 24-32H 22962 Wildcat Richland Bakken OIL 09/01/1

Whiting Oil and Gas Corporation SESW 32-27N-57E Double Bar M 24-32H 22963 Wildcat Richland Bakken OIL 08/04/1Continental Resources Inc S2S2 27-25N-55E Rognas 3-27H 22964 Wildcat Richland Bakken OIL 10/07/1

Fidelity Exploration & Production Co. NWNE 8-22N-57E Klose 8-17H 22967 Wildcat Richland Bakken OIL 09/24/1

Continental Resources Inc NWNW 26-26N-53E Butterfield 1-26H 22968 Wildcat Richland Bakken OIL 06/30/1XTO Energy Inc. NWSW 24-26N-52E Ruffatto 13X-24B 22969 Wildcat Richland Bakken OIL 11/30/1Continental Resources Inc SESW 19-25N-55E Helen 3-19H 22970 Wildcat Richland Bakken OIL 08/04/1Continental Resources Inc SESW 21-26N-55E Cara 1-21H 22971 Wildcat Richland Bakken OIL 10/04/1XTO Energy Inc. NESE 23-26N-52E Headington 43X-23B 22973 Wildcat Richland Bakken OIL 11/23/1

Fidelity Exploration & Production Co. NWNW 25-22N-57E Linda 25-36H 22974 Wildcat Richland OIL 08/26/1

Slawson Exploration Company Inc NENE 14-23N-53E Barbarian 1-14H 22978 Wildcat Richland Bakken OIL 10/25/1Continental Resources Inc NENW 12-23N-53E Belleeza 1-12H 22979 Wildcat Richland Bakken OIL 09/05/1

Whiting Oil and Gas Corporation SESW 21-26N-57E Palmer 24-21-1H 22980 Wildcat Richland Bakken OIL 08/12/1Statoil Oil & Gas LP NWNE 15-25N-59E Warren 15-22 1H 22985 Wildcat Richland Bakken OIL 11/29/1HRC Operating, LLC NESW 1-22N-59E Lien 4 22988 Mon Dak OIL , West Mission Canyon 12/14/1HRC Operating, LLC NESW 1-22N-59E Lien 5 22989 Mon Dak OIL , West Mission Canyon 11/21/1Continental Resources Inc S2S2 5-23N-54E Butka 3-5H 22990 Wildcat Richland Bakken OIL 10/28/1Continental Resources Inc NENE 18-24N-53E Candee 3-18H 22991 Wildcat Richland Bakken OIL 09/21/1

Statoil Oil & Gas LP NWNE 15-25N-59E Judith 10-3 1H 22992 Wildcat Richland Bakken OIL 11/20/1

13 - 4
OPERATOR * LOCATION WELL NAME API TYPE ** FIELD INTERVAL DATE 

COMP

Oasis Petroleum North America LLC SWNW 10-26N-58E Tim Federal 2658 21-10H 22993 Wildcat Richland Bakken OIL 08/08/1

Whiting Oil and Gas Corporation NENW 30-25N-57E Simmers 4 21-30-1H 22995 Wildcat Richland Bakken OIL 10/12/1Whiting Oil and Gas Corporation SWSE 23-26N-57E Kittleson Federal 34-23-1H 22996 Wildcat Richland Bakken OIL 10/27/1Slawson Exploration Company Inc NENE 36-23N-54E Dragonfly 1-36H 22997 Wildcat Richland Bakken OIL 09/05/1

Whiting Oil and Gas Corporation NENW 16-25N-57E Norby 21-16-1H 23001 Wildcat Richland Bakken OIL 10/03/1

Oasis Petroleum North America LLC SWSE 9-26N-58E David Federal 2658 43-9H 23002 Wildcat Richland Bakken OIL 10/22/1Oasis Petroleum North America LLC SWSE 9-26N-58E Sherri 2658 43-9H 23003 Wildcat Richland Bakken OIL 10/26/1Slawson Exploration Company Inc NENE 4-22N-56E Lasso 1-4H 23006 Wildcat Richland Bakken OIL 09/28/1Continental Resources Inc NWNW 34-24N-55E Dorothy Melvin 4 HSU 23008 Wildcat Richland Bakken OIL 10/01/1Encore Energy Partners Operating LLC SESE 8-24N-57E Brutus 1-8 23009 Lone Tree Red River OIL 09/05/1Continental Resources Inc NENW 4-23N-54E Lazy D 3-4H 23010 Wildcat Richland DH 09/15/1Slawson Exploration Company Inc NWNW 36-23N-53E Weasel 1-36H 23012 Wildcat Richland Lodgepole OIL 09/04/1Whiting Oil and Gas Corporation SENE 21-24N-59E Watts 42-21-1HR 23013 Wildcat Richland Bakken OIL 09/05/1Continental Resources Inc SESE 19-24N-54E Klasna 3-19H 23020 Wildcat Richland DH 07/27/1Whiting Oil and Gas Corporation NENW 15-25N-57E Kilen 21-15-1H 23023 Wildcat Richland Bakken OIL 10/02/1

Whiting Oil and Gas Corporation SESW 24-26N-57E Kittleson Federal 24-24-1H 23024 Wildcat Richland Bakken OIL 12/09/1Continental Resources Inc NWNE 13-26N-56E Lewis 1-13H 23026 Wildcat Richland Bakken OIL 10/15/1Fidelity Exploration & Production Co. NWSW 22-22N-57E Lisa 22-23H 23028 Wildcat Richland Bakken OIL 11/17/1

Continental Resources Inc SESE 19-24N-54E Klasna (Redrill) 3-19H 23032 Wildcat Richland Bakken OIL 10/24/1Statoil Oil & Gas LP SESE 11-25N-59E Two Rivers SWD 1 23034 Nohly, South Dakota, Lakota SWD 11/01/1Continental Resources Inc SESW 34-27N-56E Osborn 1-34H 23043 Wildcat Richland Bakken OIL 11/09/1Continental Resources Inc NENW 4-23N-54E Lazy D 3X-4H 23053 Wildcat Richland Bakken OIL 12/14/1Whiting Oil and Gas Corporation NWNE 17-25N-57E Vitt 31-17-1H 23054 Wildcat Richland Bakken OIL 11/19/1

085 Roosevelt

EOG Resources, Inc. S2 13-28N-59E Stateline 11-1314H 21764 Wildcat Roosevelt Bakken OIL 04/11/1EOG Resources, Inc. NWNE 15-28N-59E Stateline 3-1522H 21765 Wildcat Roosevelt Bakken OIL 04/06/1EOG Resources, Inc. SESE 33-28N-59E Stateline 8-3328H 21771 Wildcat Roosevelt Bakken OIL 06/27/1EOG Resources, Inc. SESE 36-29N-56E Diamond 2-3625H 21772 Wildcat Roosevelt Bakken OIL 03/28/1Nautilus Poplar LLC SWNE 11-28N-51E EPU 117 21774 Wild OIL cat Roosevelt Amsden 01/24/1

Statoil Oil & Gas LP SWSE 12-28N-58E Crusch 12-1 1H 21778 Wildcat Roosevelt Bakken OIL 03/18/1Fort Worth Operating Company, LLC NWSE 29-29N-50E Clark Farms 29-10 21799 Wildcat Roosevelt OIL 02/25/1Oasis Petroleum North America LLC NENE 6-27N-58E Grindland 31-30H 21800 Wildcat Roosevelt Bakken OIL 09/20/1

Whiting Oil and Gas Corporation SWSE 24-30N-56E Schnitzler 34-24TFH 21801 Wildcat Roosevelt Three Forks OIL 05/09/1Oasis Petroleum North America LLC NWNE 5-27N-58E Piercy Federal 2758 13-5H 21812 Wildcat Roosevelt Bakken OIL 04/04/1Samson Oil and Gas USA Montana, Inc. NWNW 29-28N-55E Australia II 12 KA 6 21814 Wildcat Roosevelt Bakken OIL 04/14/1

Samson Oil and Gas USA Montana, Inc. SESE 22-28N-53E Gretel II 12 KA 3 21821 Wildcat Roosevelt Bakken OIL 06/10/1

XTO Energy Inc. NWSW 2-27N-57E Smith 13X-2B 21822 Wild OIL cat Roosevelt Bakken 08/30/1

Landtech Enterprises, LLC NWSW 26-28N-58E Romo 2 SWD 21825 Wildcat Roosevelt Dakota SWD 03/17/1Oasis Petroleum North America LLC SWSE 9-27N-58E Signal Butte Fed. 2758 43-9H 21827 Wildcat Roosevelt Bakk OIL en 02/21/1Oasis Petroleum North America LLC NWNE 29-27N-59E Halvorson Fed. 2759 13-29H 21828 Wildcat Roosevelt Bakke OIL n 01/28/1

Windy Butte Reclamation Facility, LLC SENW 31-28N-59E SWD 101 21829 Wildcat Roosevelt Dakota SWD 04/04/1Oasis Petroleum North America LLC NWNW 27-29N-58E Krogedal Federal 2958 11-27H 21830 Wildcat Roosevelt Bak OIL ken 02/13/1

13 - 5
OPERATOR * LOCATION WELL NAME API TYPE ** FIELD INTERVAL DATE 

COMP

HRC Operating, LLC SWSE 34-30N-56E Sorensen 1-34-27H 21831 Wildcat Roosevelt Bakken OIL 07/28/1Oasis Petroleum North America LLC NENW 17-27N-59E Catherine 2759 12-17H 21832 Wildcat Roosevelt Bakken OIL 06/13/1Oasis Petroleum North America LLC NENW 17-27N-59E Lester Federal 2759 12-17H 21833 Wildcat Roosevelt Bakke OIL n 06/24/1Oasis Petroleum North America LLC SWSE 7-27N-59E Talen 2759 43-7H 21834 Wildcat Roosevelt Bakken OIL 07/05/1

Oasis Petroleum North America LLC SWSE 7-27N-59E Tana 2759 43-7H 21835 Wildcat Roosevelt Bakken OIL 07/09/1Oasis Petroleum North America LLC SESW 9-27N-59E Ella Marie 2759 42-9H 21836 Wildcat Roosevelt Bakken OIL 04/06/1Oasis Petroleum North America LLC SWSW 13-27N-58E Paul Byron 2758 41-13H 21838 Wildcat Roosevelt Bakken OIL 06/01/1Oasis Petroleum North America LLC NENW 17-28N-58E Sam 2858 12-17H 21839 Wildcat Roosevelt Bakken OIL 06/01/1Oasis Petroleum North America LLC NWNE 26-29N-58E Ray T Federal 2958 13-26H 21840 Wildcat Roosevelt Bakken OIL 05/15/1Whiting Oil and Gas Corporation NENW 28-30N-56E Olson 21-28TFH 21841 Wildcat Roosevelt Three Forks OIL 07/03/1EOG Resources, Inc. NWNE 28-29N-59E Highline 1-2833H 21847 Wildcat Roosevelt Bakken OIL 06/08/1Whiting Oil and Gas Corporation SESW 20-30N-56E Christoffersen 24-20TFH 21848 Wildcat Roosevelt Three Fork OIL s 06/15/1Statoil Oil & Gas LP NWNW 30-28N-59E Willard 19-18 1H 21849 Wildcat Roosevelt Bakken OIL 08/03/1Statoil Oil & Gas LP NWNW 30-28N-59E Wilde 30-31 1H 21850 Wildcat Roosevelt Bakken OIL 07/29/1Armstrong Operating, Inc. SWNE 33-29N-46E Toavs 1 21853 Wildcat Roosevelt DH 05/28/1Whiting Oil and Gas Corporation NENW 4-30N-57E Elvsaas 21-4TFH 21855 Wildcat Roosevelt Three Forks OIL 07/19/1HRC Operating, LLC NENW 14-30N-57E Jacobsen Farms Inc. 1-14-23H 21856 Wildcat Roosevelt Bakken OIL 09/21/1

HRC Operating, LLC NWNE 16-30N-57E Wheeler Ranch 1-16-21H 21857 Wildcat Roosevelt Bakken OIL 10/26/1

Oasis Petroleum North America LLC SESE 34-28N-58E Ring Federal 2858 44-34H 21858 Wildcat Roosevelt Bakken OIL 06/28/1Oasis Petroleum North America LLC SENE 29-27N-58E Betsy Federal 2758 24-29H 21860 Wildcat Roosevelt Bakken OIL 07/09/1

Oasis Petroleum North America LLC NENW 14-27N-59E Jimbo Federal 2759 12-14B 21861 Wildcat Roosevelt Bakken OIL 08/02/1

EOG Resources, Inc. NWNW 29-28N-59E Stateline 12-2932H 21862 Wildcat Roosevelt Bakken OIL 07/16/1Vaalco Energy (USA), Inc. NWNE 10-28N-51E EPU 133H 21864 Wildcat Roosevelt OIL 08/24/1

Oasis Petroleum North America LLC SWSE 19-27N-59E Fannie Federal 2759 43-19H 21874 Wildcat Roosevelt Bakke OIL n 10/15/1

Oasis Petroleum North America LLC SESE 11-27N-59E Justice Federal 2759 44-11T 21878 Wildcat Roosevelt Thre OIL e Forks 12/19/1Oasis Petroleum North America LLC SESE 11-27N-59E Mercy Federal 2759 44-11B 21879 Wildcat Roosevelt Bakken OIL 12/13/1HRC Operating, LLC NWNE 4-29N-56E McCabe 1-4-9H 21882 OIL Wildcat Roosevelt Bakken 11/30/1

087 Rosebud

Bayswater Exploration & Production, LLC SESW 11-11N-32E CSTSU A311Y 21724 Sumatra Tyler OIL 02/01/1Fidelity Exploration & Production Co. SESE 27-11N-33E Schmidt 44-27H 21731 Wildcat Rosebud, N Heath OIL 03/16/1

Fidelity Exploration & Production Co. NWNW 23-12N-32E Kincheloe 11-23H 21732 Wildcat Rosebud, N Heath OIL 06/22/1

Fidelity Exploration & Production Co. NWNE 33-11N-33E Grebe 31-33H 21736 Wildcat Rosebud, N Heath OIL 08/22/1

091 Sheridan

Prima Exploration, Inc. NENW 14-32N-57E Stringer 2-14-1B 21418 Katy Lake, North Red River OIL 12/17/1TAQA North USA, Inc. NWNW 18-37N-57E Bolke 18-4H 21883 Wildcat Sheridan Bakken OIL 02/23/1TAQA North USA, Inc. SENE 8-37N-57E Hellegaard 8-8H #2 21889 Wildcat Sheridan Bakken OIL 06/28/1TAQA North USA, Inc. SENE 10-37N-57E Jerde 10-8H 21890 Wildcat Sheridan Bakken OIL 11/28/1Marathon Oil Company SWSE 11-31N-58E Wegner 34-11H 21891 Wildcat Sheridan Bakken OIL 02/17/1

Vess Oil Corporation NENE 6-31N-59E Federal 1-5H 21896 Wildcat Sheridan Ratcliffe OIL 09/07/1Samson Resources Company NWNE 15-35N-58E Zuma 15-22-35-58H 21897 Wildcat Sheridan Bakken OIL 06/04/1

TAQA North USA, Inc. SWSW 11-37N-57E Flat Lake 11-13H 21901 Wildcat Sheridan Bakken OIL 07/15/1

13 - 6
OPERATOR * LOCATION WELL NAME API TYPE ** FIELD INTERVAL DATE 

COMP

Samson Resources Company NWNE 6-33N-56E Riva Ridge 6-7-33-56H 21902 Wildcat Sheridan Bakken OIL 06/04/1TAQA North USA, Inc. SWNW 11-37N-57E Ward 11-5H 21904 OIL Wildcat Sheridan Bakken 08/26/1TAQA North USA, Inc. NENE 13-37N-57E Hjelm 13-1H 21905 Wildcat Sheridan Bakken OIL 07/21/1Marathon Oil Company SESW 21-31N-59E Rodney Sveet 21-28H 21906 Wildcat Sheridan Bakken OIL 06/26/1

Marathon Oil Company SWSE 9-31N-59E Sorensen 34-9H 21907 Wildcat Sheridan Bakken OIL 10/15/1

Marathon Oil Company SESW 12-31N-58E Orville Hendrickson 24-12H 21909 Wildcat Sheridan Bakken OIL 07/03/1Marathon Oil Company SESW 12-31N-58E Dave Clark 21-13H 21910 Wildcat Sheridan Three Forks OIL 08/14/1

TAQA North USA, Inc. NWSW 9-37N-57E Hellegaard 9-12H #2 21911 Wildcat Sheridan Bakken OIL 09/05/1TAQA North USA, Inc. NESE 10-37N-57E Hellegaard 10-9H 21912 Wildcat Sheridan Bakken OIL 12/06/1

Whiting Oil and Gas Corporation NWNE 25-31N-55E Gronlie Farms 31-25TFH 21914 Wildcat Sheridan Three Forks OIL 08/26/1

Marathon Oil Company NWNE 29-31N-59E Raymond Sveet 31-29H 21916 Wildcat Sheridan Bakken OIL 09/29/1TAQA North USA, Inc. SENE 17-37N-57E McKinnon 17-8H 21917 Wildcat Sheridan Bakken OIL 11/21/1Southwestern Energy Production Co. NWNE 1-33N-52E Bedwell 33-52 1-1H 21920 Wildcat Sheridan Bakken OIL 09/10/1TAQA North USA, Inc. SWSW 9-37N-57E Hellegaard 9-13H-2 21921 Wildcat Sheridan Bakken OIL 10/18/1TAQA North USA, Inc. NENE 8-37N-57E Hellegaard 8-1H-1 21922 Wildcat Sheridan Bakken OIL 11/22/1

TAQA North USA, Inc. NENE 8-37N-57E Hellegaard 8-1H-2 21923 Wildcat Sheridan Bakken OIL 11/22/1

TAQA North USA, Inc. NWSW 16-37N-56E State 16-12H 21924 Wildcat Sheridan Bakken OIL 11/17/1Vaalco Energy (USA), Inc. NENE 11-37N-56E Bolke 11-01H 21927 Wildcat Sheridan Bakken OIL 11/19/1TAQA North USA, Inc. NESE 10-37N-57E Hellegaard 10-9H-2 21928 Wildcat Sheridan Bakken OIL 12/09/1

095 Stillwater

Energy Corporation of America NWSE 14-6S-17E ECA Federal 2-H 21279 Wildcat Stillwater Greybull OIL 09/07/1Energy Corporation of America SWSE 14-6S-17E ECA Federal 3-H 21280 Wildcat Stillwater Greybull OIL 10/14/1

099 Teton

Primary Petroleum Company USA, Inc. SESW 34-27N-6W Spring Hill 14-34-27-6HZ 21316 Wildcat Teton Lodgepole OIL 09/16/1Primary Petroleum Company USA, Inc. NENE 12-23N-7W Watson Flats 1-12-23-7 21317 Wildcat Teton DH 02/22/1Primary Petroleum Company USA, Inc. NWNW 2-25N-6W Ralston Gap 4-2-25-6 21318 Wildcat Teton DH 03/12/1

101 Toole

Somont Oil Company, Inc. NENE 36-35N-2W State 56 7760 OIL Kevin-Sunburst 09/17/1Somont Oil Company, Inc. NESE 27-35N-1W Kaston 1X 10523 Kevin-Sunburst OIL 03/05/1

Somont Oil Company, Inc. SWSE 27-35N-1W FSFU 1X 10535 OIL Kevin-Sunburst Swift 03/29/1FX Drilling Company, Inc. SESW 29-35N-1W Anderson 14-29 24189 Wildcat Toole Bakken OIL 01/10/1

Plain Energy USA, LLC SWSE 21-34N-3W Kevin 34N-03W 15-21 24193 Wildcat Toole DH 08/03/1Keesun Corporation SESW 24-34N-3W Kevin 34N-03W 14-24 24194 Wildcat Toole GAS 01/13/1Plain Energy USA, LLC NWNW 26-36N-4W Kevin 36N-04W 04-26 24195 Wildcat Toole DH 08/03/1Plain Energy USA, LLC NENW 12-35N-4W Kevin 35N-04W 03-12 24196 Wildcat Toole DH 08/03/1FX Drilling Company, Inc. NW 3-34N-1E Midboe 4-3 24197 Wildcat Toole DH 03/18/1Somont Oil Company, Inc. SWNW 8-35N-2W Breaupre 2 24198 Kevin-Sunburst DH 05/25/1

Croft Petroleum Company NWNW 10-36N-2E Federal 4-10 24199 Miners Coulee DH 08/13/1Somont Oil Company, Inc. SESE 13-35N-4W Roman Catholic Bishop 1 24203 Kevin-Sunburst Madison OIL 07/19/1Keesun Corporation SESW 13-34N-3W Ralph Botham 14C-13 24204 Kevin-Sunburst DH 03/28/1Keesun Corporation SENW 13-34N-3W Leuck 6-13 24205 Kev OIL in-Sunburst Madison 04/05/1

13 - 7
OPERATOR * LOCATION WELL NAME API TYPE ** FIELD INTERVAL DATE 

COMP

Somont Oil Company, Inc. SWNW 8-35N-2W Breaupre 2X 24206 Kevin-Sunburst Madison OIL 05/16/1

Balko, Inc. NESW 7-35N-3E Gold Butte Federal 11-7 24207 Wildcat T OIL oole Dakota 06/23/1

Keesun Corporation NWNE 24-34N-3W Potter 2-24C 24208 K OIL evin-Sunburst Madison 05/11/1Bill Barrett Corporation NENE 2-36N-3W Simmes Ranch 41-2-36-3W-H 24210 Wildcat Toole DH 12/02/1

LaMarsa Corp. SESE 13-34N-3W Blumberg 16B-13 24215 Kev OIL in-Sunburst Madison 10/10/1

105 Valley

Coastal Petroleum Company SESE 19-36N-38E Federal 1-19A 21570 Wildcat Valley, E Phillips GAS 11/02/1Anadarko Minerals, Inc. NESE 16-30N-45E Dahl 2-16 21574 Wildcat Valley, E Charles C OIL 08/09/1

Anadarko Minerals, Inc. SWNW 16-30N-45E Dahl 3-16 21575 Wildcat Valley, E DH 01/09/1

Anadarko Minerals, Inc. SWNW 16-30N-45E Dahl 3-16A 21576 Wildcat Valley, E Nisku OIL 05/26/1

Wind River Hydrocarbons, Inc. NESE 14-30N-38E Nelson 9-14 21577 Wildcat Valley, E DH 06/03/1

109 Wibaux

Denbury Onshore, LLC SESW 15-11N-57E Unit 24X-15A 21181 Pine Siluro-Ordovician OIL 11/17/1

Denbury Onshore, LLC NESW 22-11N-57E South Pine Unit 23X-22A 21183 Pine Siluro-Ordovician OIL 11/09/1

111 Yellowstone

Antelope Resources, Inc. SWNE 26-3S-24E CH Mosser 18 21265 Mosser Dome Mosser Sand OIL 06/29/1Antelope Resources, Inc. SWNE 26-3S-24E JC Mosser 19 21267 Mosser Dome Mosser Sand OIL 06/29/1Antelope Resources, Inc. SENW 26-3S-24E Kelly 7 21270 OIL Mosser Dome Mosser Sand 06/29/1Vecta Oil & Gas, Ltd. SENW 34-7N-32E #1 Heberle 22-34 21272 Wildcat Yellowstone, N DH 11/15/1

"Operator" is the well operator at the time the well was completed and not necessarily the current operator or operator that permitted the well.

** OIL - Oil Well; GAS - Gas Well; DH - Dry Hole; GST - Gas Storage; CBM - Coalbed Methane; EOR - Injection, Enhanced Recovery; SWD - Salt Water Disposal

* ** Data Current Through: 7/5/2013

13 - 8
2012 Stripper Oil Well Statistics

A Stripper Oil Well Produces Less Than 10 Barrels Of Oil Per Day

Oil Production

0

5

10

15

20

25

30

35

40

2005 2006 2007 2008 2009 2010 2011 2012

Barrels of Oil (Millions)

Non-Stripper Stripper

Number Of Producing Wells

0

1000

2000

3000

4000

5000

2005 2006 2007 2008 2009 2010 2011 2012

Number of Wells

Non-Stripper Stripper

14 - 1
2012 Production By Area

Central

2.0%

Northeastern

89.4%

Northern

5.4%

South Central

1.8%

Southeastern

1.4%

Oil Production

Central

0.4%

Northeastern

22.5%

Northern

67.0%

South Central

9.9%

Southeastern

0.2%

Gas Production

15 - 1
2012 Field Rules and Production Summary By Formatio

n

Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Ace High Cumulative Oil Production (Bbls): 3,686

Statewide.

Agawam Cumulative Oil Production (Bbls): 79

Statewide.

Alkali Coulee Cumulative Oil Production (Bbls): 53,229 Post-1986 Gas P

320-acre Red River Fm. spacing units with 660' setback from spacing unit bo

(Order 77-81).

Alma Post-1986 Gas P

Spike Zone, Blackleaf Fm. 1 0 8,558

2012 Production: 0 8,558

640-acre spacing units for gas production from the Sawtooth, Bow Island, an

no closer than 990' to spacing unit boundary (Order 19-77).

Alma, North Post-1986 Gas P

Single 640-acre spacing unit for Blackleaf gas production (Order 95-82).

Amanda Post-1986 Gas P

Bow Island 10 0 15,526Dakota 1 0 33Sunburst 4 0 35,239Swift 6 0 61,725Bow Island, Dakota 1 0 4,893Dakota, Burwash, Swift 1 0 28,645Swift, Sunburst 8 0 76,330Burwash, Swift 1 0 2,269

2012 Production: 0 224,660

320-acre spacing units for gas with one well per horizon, base of the Swift to 660' to spacing unit boundary; spacing units to consist of two contiguous qusections (Order 76-79). Field enlargement (Orders 25-83, 1-85, 25-88, 42-884W for gas production below Bow Island and through the Swift (Order 63-91all formations below Bow Island including Swift (Order 123-01). Well Density 03, 175-04, 136-09, 84-10).

Andes Cumulative Oil Production (Bbls): 21,175

Statewide.

Antelope Cumulative Oil Production (Bbls): 211,758 Post-1986 Gas P

Red River 3 10,730 1,084

2012 Production: 10,730 1,084

Statewide.

Antelope Coulee Post-1986 Gas P

Bow Island 1 0 31

2012 Production: 0 31

Statewide.

Antelope, North Cumulative Oil Production (Bbls): 2,484

Statewide.

Anvil Cumulative Oil Production (Bbls): 5,653,185 Post-1986 Gas P

Ratcliffe 1 3,430 1,933Duperow 1 10,245 2,249Nisku 1 18,119 4,017Red River 2 6,425 563

2012 Production: 38,219 8,762

320-acre spacing units for Red River B and C with one well per zone located boundary; commingling approved (Order 75-85).

16 - 1
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Anvil, North Cumulative Oil Production (Bbls): 452,372 Post-1986 Gas P

Mission Canyon 5 57,276 30,372

2012 Production: 57,276 30,372

160-acre spacing units for production of oil from the Madison Group (Order 106). Additional wells (Orders 208 & 209-10).

Arch Apex Post-1986 Gas P

Bow Island 32 0 90,800Sunburst 1 0 1,689Bow Island, Kootenai, Swift 1 0 2,228

2012 Production: 0 94,717

Delineated for Colorado Blackleaf pool; wells to be 330' from legal subdivisior producing from the same reservoir; 75' topographic tolerance (Orders 5-56unit (Order 3-78).

Ash Creek Cumulative Oil Production (Bbls): 868,169

Spacing waived (Shannon Formation) within unitized portion of field with wel

boundary (Order 4-65). Waterflood initiated October 1964 (Orders 22-64, 15

Ashfield Post-1986 Gas P

Bowdoin 15 0 111,119Niobrara 2 0 21,293Phillips 123 0 504,962Bowdoin, Greenhorn, Phillips, Niobrara 1 0 8,857Niobrara, Greenhorn, Phillips 1 0 1,528Bowdoin, Greenhorn, Phillips 1 0 390Greenhorn-Phillips 5 0 6,304Bowdoin, Phillips 42 0 304,148Phillips, Niobrara 11 0 34,237Bowdoin, Phillips, Niobrara 4 0 37,274

2012 Production: 0 1,030,112

640-acre spacing units for Bowdoin/Greenhorn/Phillips with two wells per for

Allow 4 wells per formation per 640-acre spacing unit located no closer than 1,320' between wells producing from the same formation with 150' geologic oAllow 8 wells per spacing unit in 4 spacing units and reduce between-well dis

tolerance (Order 8-92).

Ator Creek Cumulative Oil Production (Bbls): 47,887 Post-1986 Gas P

Red River 1 1,186 1,020

2012 Production: 1,186 1,020

Single spacing unit comprised of W/2 NE/4 and E/2 NW/4 35N-55E-36 for p

Formation (Order 73-96).

Autumn Cumulative Oil Production (Bbls): 35,546

Statewide.

Badlands Post-1986 Gas P

Eagle 14 0 175,916

2012 Production: 0 175,916

One Eagle Formation well per governmental section spacing unit located no 

(Order 22-78).

Bainville Cumulative Oil Production (Bbls): 2,023,305 Post-1986 Gas P

Mission Canyon 1 4,314 0Ratcliffe 7 52,413 28,055Winnipegosis 1 15 0Red River 2 14,441 8,651

2012 Production: 71,183 36,706

320-acre spacing unit for Winnipegosis Formation, 28N-58E-26: E/2 (Order 28N-58E-20:E/2SE, 21: W/2SW, 28: W/2NW, 29: E/2NE (Order 18-88, Orde58E-28: W2 (Order 53-98). 320-acre Madison spacing unit, 28N-58E-28: E2 

Bainville (Ratcliffe/Mission Canyon) Cumulative Oil Production (Bbls): 108,227 Post-1986 Gas P

Ratcliffe 1 4,710 1,745

2012 Production: 4,710 1,745

Single spacing unit consisting of S/2 NW/4 and N/2 SW/4 Sec. 13, T28N, R5Canyon/Ratcliffe (Order 5-94).

16 - 2
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Bainville II Cumulative Oil Production (Bbls): 1,562,336 Post-1986 Gas P

Ratcliffe 1 1,846 710Nisku 2 8,461 4,642Red River 1 10,087 6,418

2012 Production: 20,394 11,770

320-acre Red River spacing units; no well closer than 660' to the unit bounda

(Order 16-85). Single Red River spacing unit designated (Order 69-85). Sin27N-59E-6 (Order 122-97). 320-ac. Nisku spacing units, E2 27N-58E-2 (Ord124-04).

Bainville, North Cumulative Oil Production (Bbls): 9,308,232 Post-1986 Gas P

Mission Canyon 1 3,670 1,455Ratcliffe 9 33,728 16,764Nisku 8 28,976 23,577Winnipegosis 4 53,427 59,360Interlake 1 3,427 0Red River 9 87,403 69,974

2012 Production: 210,631 171,130

320-acre spacing units for Winnipegosis and Red River consisting of two gov

one or two governmental sections; wells no closer than 660' to unit boundarthe same formation (Order 84-79). Topographic tolerance of 150' (Order 39the Nisku Formation (Orders 61-92, 57-96). Spacing unit for production from Commingling authorized (Orders 34-97, 35-97, 112-97, 113-97). Nisku spaci

Bainville, West Cumulative Oil Production (Bbls): 619,210 Post-1986 Gas P

Mission Canyon 1 2,339 208Ratcliffe 2 3,792 181Nisku 1 12,127 5,149Red River 2 11,644 4,389

2012 Production: 29,902 9,927

320-acre spacing units for Madison Group to consist of two governmental quor two governmental sections; location no closer than 660' to the unit bound

well within the field (Orders 19-78, 42-79). 320-acre Red River spacing units permitted well to be no closer than 660' to unit boundary (Order 57-80). Nisk50-02).

Bannatyne Cumulative Oil Production (Bbls): 510,873

Swift 16 4,630 0Madison 5 1,112 0

2012 Production: 5,742 0

Delineated for production from the Swift and Madison Formations; wells to b50' topographic tolerance; commingling permitted (Order 20-58). Pilot wate

1963.

Bascom Cumulative Oil Production (Bbls): 27,830

Field rules vacated.

Battle Creek Cumulative Oil Production (Bbls): 110 Post-1986 Gas P

Eagle 158 0 1,081,017Judith River 1 0 700Niobrara 4 0 15,899Eagle, Claggett 2 0 20,269Eagle, Niobrara 3 0 49,318

2012 Production: 0 1,167,203

Originally delineated for production of gas from all formations from surface to 

producing horizon per section located no closer than 990' to section line but section no closer than 1,320' to wells producing from same horizon (Order 4

Colorado intervals in a portion of the field (Order 76-92). Battle Creek, South

setback from spacing unit boundaries (various orders). Field enlargement (O

Battle Creek, South Post-1986 Gas P

Eagle 1 0 3,386

2012 Production: 0 3,386

Four gas wells per horizon, 990' setback from spacing unit boundaries (vario

Battle Creek, South, Oil Cumulative Oil Production (Bbls): 155,463

Sawtooth 2 8,686 0

2012 Production: 8,686 0

Statewide plus one designated spacing unit for production of oil from the Saw

Beanblossom Cumulative Oil Production (Bbls): 732,945 Post-1986 Gas P

Tyler 1 5,152 1,955

2012 Production: 5,152 1,955

Three spacing units consisting of individual lots with one well per lot (Order 2

16 - 3
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Bear's Den Cumulative Oil Production (Bbls): 807,991 Post-1986 Gas P

Bow Island 1 0 1,449Swift 8 2,855 1,219

2012 Production: 2,855 2,668

Swift unit delineated and spacing waived in unitized portion of field (Order 5-lands and formations.

Belfry Cumulative Oil Production (Bbls): 101,245 Post-1986 Gas P

Statewide.

Bell Creek Cumulative Oil Production (Bbls): 136,096,185 Post-1986 Gas P

Muddy 34 350,167 0

2012 Production: 350,167 0

Originally 40-acre spacing units with location 660' from unit boundary with 15only (Orders 37-67, 39-67, 50-67, 1-69, 17-70). Tertiary recovery program (O

enhanced recovery units and consolidation as the Bell Creek Consolidated (Creek (Muddy) Unit approved 6-28-90 (Order 24-90).

Bell Creek, Southeast Post-1986 Gas P

Muddy 2 0 41,407

2012 Production: 0 41,407

160-acre spacing units for Muddy gas production, wells 660' from spacing un

Benrud Cumulative Oil Production (Bbls): 289,695 Post-1986 Gas P

160-acre spacing for Devonian with wells no closer than 990' from spacing u

62). Field rules amended to allow drilling not closer than 660' to the spacing 

reduction (Order 66-84).

Benrud, East Cumulative Oil Production (Bbls): 3,034,523 Post-1986 Gas P

Nisku 1 5,487 0

2012 Production: 5,487 0

160-acre spacing units for Nisku with permitted location within a 1,320' squa

65). Single Nisku Formation spacing unit consisting of Lots 3 and 4, Sec. 6, 

Benrud, Northeast Cumulative Oil Production (Bbls): 1,019,598 Post-1986 Gas P

Same as East Benrud Field (Order 6-65). Field enlargement (Order 26-66).

Berthelote Cumulative Oil Production (Bbls): 76,845

Sunburst 3 578 0

2012 Production: 578 0

Sunburst wells to be located 330' from lease lines; 660' between wells with nquarter-quarter section (Order 18-66).

Big Coulee Post-1986 Gas P

Lakota 1 0 5,787Cat Creek, Third 3 0 30,687Morrison 1 0 6,918Lakota, Morrison 6 0 200,382

2012 Production: 0 243,774

Statewide except for single spacing unit for production of gas from the MorrisT4N R20E (Order 25-86). Big Coulee Gas Unit (Order 209-07).

Big Gully Cumulative Oil Production (Bbls): 175,338

Tyler 1 4,901 0

2012 Production: 4,901 0

Statewide.

Big Gully, North Cumulative Oil Production (Bbls): 29,892

Statewide.

Big Muddy Creek Cumulative Oil Production (Bbls): 1,485,838 Post-1986 Gas P

Duperow 1 3,997 6,210

2012 Production: 3,997 6,210

One well per 320-acre spacing unit for Interlake and Red River with wells no four N/2-S/2 spacing units (Order 4-75).

16 - 4
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Big Rock Cumulative Oil Production (Bbls): 10,764 Post-1986 Gas P

Colorado Shale 5 0 29,350Blackleaf 22 0 94,058Bow Island 6 0 37,684

2012 Production: 0 161,092

640-acre spacing units for gas production from Blackleaf "A" Formation; locgovernmental section line (Order 31-78). Amended to allow 2 wells per sect

Big Wall Cumulative Oil Production (Bbls): 8,704,716

Amsden 2 8,924 0Tyler 9 14,746 0

2012 Production: 23,670 0

Basal Amsden Sand and Amsden Dolomite spaced by old statewide spacing

between wells in same reservoir (Order 12-54). Waterflood of Tyler "B" sand second Tyler "B" waterflood authorized by Order 96-83.

Big Wall, North Cumulative Oil Production (Bbls): 7,218

Statewide.

Bills Coulee Cumulative Oil Production (Bbls): 1,158 Post-1986 Gas P

Sunburst 1 0 610

2012 Production: 0 610

Field without restrictions except that no well may be drilled closer than 330' t80).

Black Butte Post-1986 Gas P

Eagle 1 0 26,459

2012 Production: 0 26,459

320-acre spacing units for gas production from the Eagle Sandstone consistW/2 of the section with wells to be no closer than 990' to exterior field boundspacing unit boundaries (Order 134-80).

Black Coulee Post-1986 Gas P

Eagle 12 0 156,168

2012 Production: 0 156,168

320-acre Eagle spacing units; well to be located no closer than 990' to unit b

be no closer than 660' to eastern boundary of Black Coulee Field (Order 37-Numerous exception locations.

Black Diamond Cumulative Oil Production (Bbls): 711,309 Post-1986 Gas P

320-acre spacing units for Duperow, Red River and Nisku Formations; well 

(Orders 147-81 and 51-86). Field enlarged (Order 15-87). Portion of existing 

Ratcliffe and Mission Canyon (Orders 32-89, 154-00).

Black Jack Post-1986 Gas P

Second White Specks 1 0 1,208Blackleaf 1 0 2,291Sunburst 9 0 38,695Blackleaf, Swift 1 0 7Swift, Sunburst 1 0 1,417

2012 Production: 0 43,618

Delineated for Sunburst and Swift with one gas well per 160 acre spacing un

spacing unit boundaries (Order 3-69). Order 3-69 amended to include Black

Blackfoot Cumulative Oil Production (Bbls): 1,847,842 Post-1986 Gas P

Dakota 6 0 17,319Bow Island, Dakota 2 0 2,637Cut Bank, Madison 5 4,250 0Sunburst, Dakota 1 0 687

2012 Production: 4,250 20,643

Delineated for Cut Bank, Madison with one well per 40-acre spacing unit; 30unit; dual completion in Cut Bank and Madison with administrative approval 

November 1976 (Order 34-76). Blackfoot Shallow Gas: 640-acre spacing uhorizon above the Kootenai located no closer than 990' to section boundariespacing unit, 37N-6W-11:W2 SE (Order 1-00).

Blackfoot, East Cumulative Oil Production (Bbls): 810

Field rules vacated.

16 - 5
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Blackleaf Canyon Cumulative Oil Production (Bbls): 32,922 Post-1986 Gas P

Single 160-acre Madison spacing unit (Order 84-81). Knowlton Unit: Well sp

provided no well drilled to be closer than 990' to unit boundary (Order 47-81)

River (Order 25-85).

Bloomfield Cumulative Oil Production (Bbls): 1,110,577 Post-1986 Gas P

Dawson Bay 1 13,808 0Red River 4 154,239 51,003Dawson Bay, Interlake 1 6,250 0

2012 Production: 174,297 51,003

320-acre spacing units for Interlake and Red River Formations consisting of 

sections which need not be in the same section; wells located no closer than 38-83). Dawson Bay Formation added and commingling of Dawson Bay, Int

authorized (Order 16-84). Enlarged (Orders 32-84 and 26-89).

Bloomfield, South Cumulative Oil Production (Bbls): 589,046 Post-1986 Gas P

Red River 6 311,599 63,823

2012 Production: 311,599 63,823

Statewide for production from the Red River Formation plus individual design

Blue Hill Cumulative Oil Production (Bbls): 162,251

Statewide.

Blue Mountain Cumulative Oil Production (Bbls): 214,145 Post-1986 Gas P

Red River 2 2,561 0

2012 Production: 2,561 0

Statewide.

Border Cumulative Oil Production (Bbls): 1,515,961 Post-1986 Gas P

Cut Bank 4 1,408 32Sunburst 1 0 3,399

2012 Production: 1,408 3,431

Oil: Unitized into New and Old Border fields, 6-1-73 (Orders 8-73, 9-73). Gaboundary of legal subdivision; 2,400' between wells in same formation on sa(Order 7-54). Waterflood approved (Orders 8-73, 9-73, 28-73).

Boulder Cumulative Oil Production (Bbls): 156,754

Statewide.

16 - 6
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Bowdoin Post-1986 Gas P

Bowdoin 91 0 564,934Niobrara 1 0 621Phillips 37 0 203,920Bowdoin, Phillips, Mowry, B. Fourche 2 0 26,320Bowdoin, B. Fourche, Plps, Mwry, Niob. 7 0 120,276Mowry, B. Fourche, Phillips, Niob. 2 0 16,188Niobrara, Belle Fourche 1 0 13,903Bowdoin, Greenhorn, Phillips, Niobrara 1 0 10,727Niobrara, Bowdoin, Belle Fourche 14 0 192,359Greenhorn-Phillips 1 0 12,048Bowdoin, Phillips 29 0 194,386Phillips, Belle Fourche 1 0 12,417Bowdoin, Phillips, Belle Fourche 41 0 498,517Niobrara, Phillips, Belle Fourche 31 0 248,015Phillips, Niobrara 6 0 22,683Bowdoin, Niobrara 3 0 30,775Niobrara, Bowdoin, Phillips, B Fourche 250 0 3,607,817Bowdoin, Phillips, Niobrara 126 0 1,131,068

2012 Production: 0 6,906,974

One well per quarter section not less than 1,000' from lease boundary or leshorizon (Order 29-55). Unitized 1958. Delineated (Order 3-72). Spacing wBowdoin and Hinsdale Units, 660' setback from unit boundaries (Order 135-9to include the Colorado Group and specifically the Niobrara and Belle Fourch

orders applicable to non-unit tracts include the Niobrara and Belle Fourche Fspacing orders for non-unit tracts.

Bowes Cumulative Oil Production (Bbls): 12,247,221 Post-1986 Gas P

Eagle 48 0 220,770Bowes Member 1 2,094 0Sawtooth 33 195,521 0

2012 Production: 197,615 220,770

Eagle Sandstone gas wells to be located 660' from boundary of legal subdivsame formation with 75' topographic tolerance (Order 23-54). 160-acre Eagand 18, T31N, R19E (Order 44-75). Sawtooth (Piper) oil wells 330' from leas

in the same formation (Order 13-54). Pilot waterflood initiated in 1961 and eutilizing water from Madison (Order 6-61). Vacuum pumps authorized (Orderequirements waived for lands committed to unit (Order 61-97). Expanded e(Order 85-97).

Box Canyon Cumulative Oil Production (Bbls): 245,847 Post-1986 Gas P

Statewide.

Bradley Cumulative Oil Production (Bbls): 279,048 Post-1986 Gas P

Bow Island 1 0 1,230Sunburst 1 419 631Cut Bank, Sunburst 1 22 0

2012 Production: 441 1,861

One well per formation per section for production of gas from all horizons ab

(Order 91-84). Amended to allow two wells per spacing unit (Order 47-95).

Bradshaw

Spacing waived within Bradshaw Federal Unit; 200' setback from exterior bo

Brady Cumulative Oil Production (Bbls): 284,277

Burwash 1 405 0Sunburst 6 1,757 0

2012 Production: 2,162 0

Originally delineated for Sunburst Sandstone; wells to be located at center otopographic tolerance (Orders 34-62, 55-62). Field enlargement; commingle 

Sunburst formations in Section 16 (Order 86-81).

Bredette Cumulative Oil Production (Bbls): 232,121

Field rules vacated.

16 - 7
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Bredette, North Cumulative Oil Production (Bbls): 488,554

Field rules vacated.

Breed Creek Cumulative Oil Production (Bbls): 3,438,788 Post-1986 Gas P

Tyler 11 47,995 4,706

2012 Production: 47,995 4,706

Breed Creek Waterflood Unit approved; spacing waived within unitized area

330' to unit boundaries (Order 12-92). Certified as expanded enhanced reco

Broadview Post-1986 Gas P

Single 640-acre Frontier spacing unit comprised of Sec. 35, T5N, R22E (Ord

Brorson Cumulative Oil Production (Bbls): 5,724,065 Post-1986 Gas P

Madison 3 8,469 9,484Mission Canyon 3 6,817 678Ratcliffe 1 504 252Interlake 1 1,800 634Red River 2 10,354 7,936Mission Canyon, Bakken 1 4,652 2,150

2012 Production: 32,596 21,134

One well per 160-acre spacing unit, wells no closer than 660' to spacing unit 

Red River Formations (Order 5-69). Field enlargement (Order 25-82). SpacNW, SW (Order 26-01). Stonewall spacing unit, SW/4 24N-58E-33 (Order 1

Brorson, South Cumulative Oil Production (Bbls): 2,602,901 Post-1986 Gas P

Mission Canyon 2 4,574 556Mission Canyon, Bakken 2 8,440 3,273Ratcliffe, Mission Canyon 1 3,106 207

2012 Production: 16,120 4,036

Delineated for Red River production with one well per 160-acre spacing unit, 

boundary (Order 26-68). Reduced Field Area (Order 26-77).

Brown's Coulee Post-1986 Gas P

Eagle 4 0 29,941

2012 Production: 0 29,941

Delineated for Judith River and Eagle gas production; one well per 160-acre 

660' to spacing unit boundary; commingling upon administrative approval (O

SW 23-34N-13E and N/2 NW 26-34N-14E (Order 4-99); SW/4 34N-14E-23 (exceptions.

Brown's Coulee, East Post-1986 Gas P

Eagle 9 0 82,533

2012 Production: 0 82,533

Statewide.

Brush Lake Cumulative Oil Production (Bbls): 5,434,331 Post-1986 Gas P

Nisku 1 3,085 1,924Gunton 6 65,522 35,052Red River 5 39,580 34,888

2012 Production: 108,187 71,864

320-acre Red River spacing units with initially nine designated spacing units 

unit, Gunton and Stonewall, S2 33N-58E-11 (Order 13-02). Permanent spac

E2 (Order 40-04).

Buffalo Flat Cumulative Oil Production (Bbls): 603 Post-1986 Gas P

Statewide.

Buffalo Lake Cumulative Oil Production (Bbls): 936

Statewide.

16 - 8
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Bullwacker Post-1986 Gas P

Eagle 74 0 772,730Judith River 5 0 5,793Judith River, Eagle 6 0 53,964Eagle, Telegraph Creek 1 0 78,749

2012 Production: 0 911,236

Delineated for Judith River and Virgelle/Eagle gas production with one well p660' to internal spacing unit boundaries and 990' to exterior field boundary (O

85). Numerous exception locations/increased density orders.

Burget Cumulative Oil Production (Bbls): 131,751 Post-1986 Gas P

Nisku 1 4,697 1,889

2012 Production: 4,697 1,889

Delineated for production of oil from Red River; 320-acre spacing units comp660' setback, 1650' between wells, 150' topographic tolerance (Order 25-81)

Burget, East Cumulative Oil Production (Bbls): 672,157 Post-1986 Gas P

Madison 1 2,962 0Mission Canyon 1 3,215 0Ratcliffe 1 3,213 0Nisku 1 5,537 2,374

2012 Production: 14,927 2,374

Statewide.

Burns Creek Cumulative Oil Production (Bbls): 269,005

Statewide.

Burns Creek, South Cumulative Oil Production (Bbls): 82,470

Red River 1 221 0

2012 Production: 221 0

Statewide.

Butcher Creek Cumulative Oil Production (Bbls): 579

320' between producing wells with "heater" wells to be located no closer than 60). Amended to authorize Greybull Formation wells no closer than 160' to o

boundaries; all wells may be utilized for steam stimulation (Order 100-81).

Bynum Cumulative Oil Production (Bbls): 5,971

Statewide.

Cabaret Coulee Cumulative Oil Production (Bbls): 462,275 Post-1986 Gas P

Statewide.

Cabin Creek Cumulative Oil Production (Bbls): 116,992,676 Post-1986 Gas P

Madison 6 48,733 7,491Mission Canyon 3 34,214 464Siluro-Ordovician 103 654,015 213,492Red River 9 98,574 0Stony Mountain 1 5,343 0

2012 Production: 840,879 221,447

Spacing waived and general rules suspended until present unit agreement b

Field boundaries amended and some spacing units designated (Order 118-8(Orders 5-59, 15-60, and 30-63). Expanded enhanced recovery unit (Order 1

Cadmus Cumulative Oil Production (Bbls): 1,173

Statewide.

Camp Creek Post-1986 Gas P

Eagle 1 0 2,539

2012 Production: 0 2,539

Statewide.

16 - 9
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Canadian Coulee Cumulative Oil Production (Bbls): 10,673 Post-1986 Gas P

Sawtooth 1 1,086 0

2012 Production: 1,086 0

320-acre spacing units for Jurassic Sawtooth/Piper with well no closer than 6

and 990' to field boundaries (Order 18-76).

Canadian Coulee, North Post-1986 Gas P

Claggett Shale 1 0 4,365

2012 Production: 0 4,365

640-acre spacing units for Jurassic Sawtooth. Wells to be no closer than 1,6

Canal Cumulative Oil Production (Bbls): 1,645,746 Post-1986 Gas P

Madison 1 3,023 324Mission Canyon 1 6,064 3,880Ratcliffe 1 2,546 913Red River 2 7,049 28,961

2012 Production: 18,682 34,078

320-acre Red River spacing units consisting of E 1/2 and W 1/2 of governme

Madison spacing units; wells no closer than 660' to unit boundary with 150' t

Permanent spacing unit, E/2, 23N-59E-7, for horizontal Ratcliffe well (Order 

Cannon Ball Cumulative Oil Production (Bbls): 74,779 Post-1986 Gas P

Statewide.

Carlyle Cumulative Oil Production (Bbls): 330,289

320-acre Red River spacing units, either the N/2 and S/2 or E/2 and W/2 of 

wells no closer than 660' to unit boundary or 1,650' to any well drilling to or p79). E 1/2 of 18-11N-61E designated as a spacing unit for Nisku Formation production (Order 29-87).

Cat Creek Cumulative Oil Production (Bbls): 24,361,000

Cat Creek, Second 3 949 0Ellis 8 4,595 0Morrison 2 3,070 0Amsden 2 2,813 0Cat Creek 1 & 2 23 12,063 0Morrison, Second Cat Creek 1 626 0

2012 Production: 24,116 0

220' from lease or property line, 440' from every other well in same formation 

producing areas, East, Mosby, and West Domes. Field enlargement; upper T15N, R28E are to be no closer than 350' from other Morrison wells in said sKootenai, two Ellis, and one Amsden waterflood approved (Orders 17-56, 18Waterflood modified (Order 29-74).

Cattails Cumulative Oil Production (Bbls): 1,432,818 Post-1986 Gas P

Ratcliffe 7 31,481 21,449

2012 Production: 31,481 21,449

160-acre spacing units for Ratcliffe zone; wells no closer than 660' to unit bo

Cattails, South Cumulative Oil Production (Bbls): 386,626 Post-1986 Gas P

Madison 2 4,122 0Ratcliffe 1 0 60

2012 Production: 4,122 60

160-acre spacing units for Ratcliffe zone; wells no closer than 660' to spacinmay cross spacing unit boundaries (Order 70-91).

Cedar Creek Post-1986 Gas P

Eagle 943 0 9,748,284Judith River, Eagle 9 0 129,665

2012 Production: 0 9,877,949

320-acre Eagle Formation spacing units for a portion of the area, with wells isection with 200' topographic tolerance (Order 1-61). Delineation amendme54 (original delineation) vacated, and a portion of the lands included in Ordein Baker North Eagle Unit waived; 660' setback from unit boundaries (Order 

spacing unit for a portion of field (Order 4-97). 160-acre spacing for Fed. Untopographic tolerance (Order 61-98). Spacing waived, Unit 8A (Order 139-01

Increased density (Order 267-03). Topographic tolerance (Order 268-03). W

Numerous spacing/location exceptions.

16 - 10
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Chain Lakes Post-1986 Gas P

Statewide.

Charlie Creek Cumulative Oil Production (Bbls): 1,171,244 Post-1986 Gas P

Bakken 1 1,935 0Dawson Bay 1 8,613 7,093

2012 Production: 10,548 7,093

Delineated for Red River, Duperow, and Nisku with 320-acre spacing units, eoperator; well no closer than 660' to spacing unit boundary and no closer tha

spacing units may not cross section lines; commingling upon administrative 

acre spacing unit for Dawson Bay oil production (Order 3-95).

Charlie Creek, East Cumulative Oil Production (Bbls): 1,274,494 Post-1986 Gas P

Red River 2 19,337 8,354Red River, Nisku 1 7,411 7,598

2012 Production: 26,748 15,952

Two 160-acre spacing units for Duperow Formation (Order 47-87). Two 320

Formation (Order 38-88). Nisku spacing unit, 25N-55E-9: NE, 10:NW (Orde

Charlie Creek, North Cumulative Oil Production (Bbls): 43,894 Post-1986 Gas P

Single Red River spacing unit (Order 37-82).

Chelsea Creek Cumulative Oil Production (Bbls): 153,831 Post-1986 Gas P

Statewide.

Cherry Patch Post-1986 Gas P

Eagle 1 0 3,315

2012 Production: 0 3,315

Statewide plus designated spacing units for production from Eagle Fm.

Cherry Patch, Southeast Post-1986 Gas P

Eagle 13 0 75,131

2012 Production: 0 75,131

Cherry Patch, Southwest Post-1986 Gas P

Eagle 11 0 76,135

2012 Production: 0 76,135

Chinook, East Post-1986 Gas P

Eagle 6 0 37,767

2012 Production: 0 37,767

Statewide.

Chip Creek Post-1986 Gas P

160-acre spacing units for Virgelle/Eagle and shallower formations; location boundary (Order 89-76).

Clark's Fork Cumulative Oil Production (Bbls): 102,347 Post-1986 Gas P

Greybull 1 305 12,793

2012 Production: 305 12,793

330' from quarter-quarter section line; 1,320' between wells with 75' topograp

Clark's Fork, North Cumulative Oil Production (Bbls): 1,024,608

Delineated for production of gas condensate from Lakota Fm.; 160-acre spaunit boundaries.

Clark's Fork, South Cumulative Oil Production (Bbls): 96,257 Post-1986 Gas P

Lakota 1 2,898 0

2012 Production: 2,898 0

160-acre spacing for Frontier and deeper horizons; location no closer than 3

any other well (Order 21-69).

16 - 11
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Clear Lake Cumulative Oil Production (Bbls): 4,889,790 Post-1986 Gas P

Mission Canyon 3 6,160 2,015Ratcliffe 1 1,536 1,471Nisku 2 3,110 635Red River 2 27,952 11,760Red River, Nisku 1 4,614 3,991

2012 Production: 43,372 19,872

Statewide, plus single spacing unit for Madison and Nisku consisting of E/2 N

R58E (Order 21-94).

Clear Lake, South Cumulative Oil Production (Bbls): 476,206 Post-1986 Gas P

Nisku 1 663 102Red River 1 13,392 5,786

2012 Production: 14,055 5,888

Statewide, plus permanent Red River/Nisku spacing unit, S2 33N-58E-33 (O

Coal Coulee Post-1986 Gas P

One Eagle well per governmental section, to be located no closer than 990' t

permitted per formation (Order 25-78). Amendment provides 320-acre spac

operator within certain sections; well to be located no closer than 990' to spa

Coal Creek Post-1986 Gas P

Flowers-Goodale 1 0 836Wall 12 0 124,221Canyon, Cook 2 0 9,343Cook, Wall, Canyon 1 0 2,985

2012 Production: 0 137,385

Delineation for production of gas from coals within the Fort Union Fm. With 8

from boundaries (Orders 278-03, 152-05). Enlargement (Orders 174-08, 322

Coal Mine Coulee Post-1986 Gas P

Eagle 3 0 9,194Second White Specks 1 0 242

2012 Production: 0 9,436

Delineated for Judith River and Eagle Formations with 4 wells per 640-acre scloser than 990' to the exterior boundaries of the field and no closer than 660topographic tolerance (Order 1-90).

Coalridge Cumulative Oil Production (Bbls): 44,383 Post-1986 Gas P

Red River 1 3,071 0

2012 Production: 3,071 0

Statewide.

Colored Canyon Cumulative Oil Production (Bbls): 1,306,402 Post-1986 Gas P

Red River 1 4,725 624

2012 Production: 4,725 624

Two designated Red River spacing units (Orders 28-84,115-97 ). Single 160

Comertown Cumulative Oil Production (Bbls): 3,380,857 Post-1986 Gas P

Ratcliffe 2 6,791 1,684Nisku 1 2,171 360Red River 3 15,606 1,185

2012 Production: 24,568 3,229

320-acre Red River spacing units; wells no closer than 660' to spacing unit b

enlargement (Orders 9-81 and 150-81).

Comertown, South Cumulative Oil Production (Bbls): 592,794 Post-1986 Gas P

Red River 1 7,475 3,837

2012 Production: 7,475 3,837

320-acre designated spacing units, wells no closer than 660' to spacing unit (Order 20-85).

16 - 12
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Conrad, South Cumulative Oil Production (Bbls): 165,760 Post-1986 Gas P

Sunburst 2 612 0

2012 Production: 612 0

Delineated for Dakota production with 10-acre spacing units. Wells in centetolerance (Orders 34-62, 31-63).

Corner Pocket Cumulative Oil Production (Bbls): 14,483

Statewide.

Cottonwood Cumulative Oil Production (Bbls): 831,513 Post-1986 Gas P

Mission Canyon 1 1,728 0Ratcliffe 4 22,226 3,345

2012 Production: 23,954 3,345

Single 320-acre Red River spacing unit (Order 85-84). Amended to include 

Cottonwood, East Cumulative Oil Production (Bbls): 181,015 Post-1986 Gas P

Ratcliffe 1 3,714 1,162

2012 Production: 3,714 1,162

Statewide.

Cow Creek Cumulative Oil Production (Bbls): 127,813

80-acre Charles spacing units, direction at option of operator but wells to be 

section (Order 11-69).

Cow Creek, East Cumulative Oil Production (Bbls): 2,827,318

Kibbey 5 7,385 0

2012 Production: 7,385 0

40-acre spacing units for Charles and Kibbey Formations consisting of quartbe at center with 150' topographic tolerance (Order 35-74). Amendment of O

acre Charles Fm. spacing units (Order 73-97).

Crane Cumulative Oil Production (Bbls): 3,982,749 Post-1986 Gas P

Ratcliffe 1 6,605 3,738Duperow 1 25,603 14,493Red River 3 12,671 7,171Duperow, Mission Canyon 1 3,275 1,855

2012 Production: 48,154 27,257

320-acre spacing units for Red River and Duperow Formations consisting of closer than 660' to spacing unit boundary and 1,650' to any well drilling to or 

40-79). Madison/Duperow 320-acre spacing unit, 22N-58E-35:SE, 36:SW (O

exceptions (Orders 27-01, 165-01).

Crocker Springs, East Cumulative Oil Production (Bbls): 3,476

Statewide (Order 68-82 which established 80-acre spacing units was vacate

Crooked Creek Cumulative Oil Production (Bbls): 28,999

Statewide.

Culbertson Cumulative Oil Production (Bbls): 175,652

Statewide.

Cupton Cumulative Oil Production (Bbls): 3,164,163 Post-1986 Gas P

Red River 3 33,033 0

2012 Production: 33,033 0

160-acre quarter section spacing units for Red River Formation. Location no 

boundary (Order 4-72).

16 - 13
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Cut Bank Cumulative Oil Production (Bbls): 172,717,227 Post-1986 Gas P

Blackleaf 4 0 9,409Bow Island 21 0 120,180Cut Bank 569 216,265 964,322Dakota 1 0 2,186Kootenai 3 0 12,524Lander 4 198 8,144Moulton 21 10,121 86,249Sunburst 14 749 9,729Ellis 1 244 0Madison 42 61,397 576Bow Island, Dakota 5 0 42,592Bow Island, Blackleaf 1 0 6,209Cut Bank, Bow Island 7 0 35,867Cut Bank, Madison 1 1,084 0Bow Island, Sunburst, Cut Bank 11 0 70,296Bow Island, Moulton, Sunburst 1 0 4,142Moulton, Sunburst 2 116 712Cut Bank, Sunburst 4 0 19,449

2012 Production: 290,174 1,392,586

Oil: 330' from legal subdivision line, 650' between wells in same formation 5

topographic tolerance (Order 10-54). Gas: 330' from legal subdivision, 2,40topographic tolerance except for setback from legal subdivision boundary (OT36N, R4W spaced 320-acres (N 1/2 and S 1/2) (Order 26-70). Cut Bank Sspacing units with wells to be located no closer than 330' to legal subdivision in the same reservoir (Orders 82-76, 6-77). Field extension (Order 3-79). Dsurface to base of Madison Formation (Order 45-80). Field enlarged (Orders selected spacing units in Special Spacing area (Orders 14-93, 51-93, 2-94). Cut Bank-Airport Unit approved (Order 26-92). Airport Unit vacated, WestbaEnlargement (Order 48-04).

CX Post-1986 Gas P

Carney 48 0 140,463Dietz 1 Coal 38 0 230,922Dietz 2 Coal 39 0 157,553Dietz 3 Coal 66 0 242,814Monarch 106 0 644,829Carney, Monarch 13 0 51,625Dietz 1, Dietz 2 8 0 20,560Dietz 2, Dietz 3 17 0 83,826Dietz 1, 2, 3 18 0 76,075Carney, Wall, Carlson 1 0 2,312Dietz, Monarch, Carney, Wall 3 0 17,177Dietz 3, Monarch, Carney 1 0 454Dietz 1, 2, 3, Monarch, Carney 8 0 131,293Dietz 1, 3, Monarch, Carney 7 0 206,526Monarch, Carney, Wall 3 0 73,328Dietz 3, Monarch, Carney, Wall 5 0 57,737Dietz 1, 2, 3, Smith, Monarch, Carney 3 0 156,016Dietz 1, 3, Smith, Monarch, Carney 13 0 319,362Carney, Wall 49 0 364,437

2012 Production: 0 2,977,309

Temporary designation, 160-acre spacing units, surface to base Fort Union; 

setback from spacing unit boundaries (Order 108-97). Publication of intent tPermanent spacing (Order 174-00). Field enlargement (Order 100-03, 6-04)

16 - 14
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Dagmar Cumulative Oil Production (Bbls): 825,035 Post-1986 Gas P

Red River 2 6,108 5,829

2012 Production: 6,108 5,829

Statewide.

Dagmar, North Cumulative Oil Production (Bbls): 55,342 Post-1986 Gas P

Delineated for production from the Red River Formation with 320-acre, E/2 afrom spacing unit boundaries.

Deadman's Coulee Cumulative Oil Production (Bbls): 264,528

Statewide.

Dean Dome Cumulative Oil Production (Bbls): 92,597 Post-1986 Gas P

Statewide.

Deer Creek Cumulative Oil Production (Bbls): 3,252,548 Post-1986 Gas P

Charles 5 24,638 3,480

2012 Production: 24,638 3,480

80-acre spacing units for Interlake and Red River consisting of any two adjaclocation in NE 1/4 and SW 1/4 of each quarter section with 75' topographic tWell location amendment. (Order 10-86) Commingling of production from t

River, and Charles with administrative approval (Order 18-63). 80-acre Char53E-22 (Order 75-97). Regular section spacing units for Charles Fm horizon

118-97). Tyler spacing unit, E/2 NE 35-17N-53E (Order 51-98).

Delphia Cumulative Oil Production (Bbls): 374,450

Amsden 1 1,054 0

2012 Production: 1,054 0

Statewide.

Den Cumulative Oil Production (Bbls): 176,125

Single spacing unit for production of oil from Charles and Mission Canyon Fo

Devil's Basin Cumulative Oil Production (Bbls): 141,235

Tyler 1 99 0Heath 3 838 0

2012 Production: 937 0

10-acre spacing units for Heath Formation; well location to be in the center ofor topographic or geologic reasons (Order 114-80). Certain lands removed 

Devil's Pocket Cumulative Oil Production (Bbls): 53,796

40-acre spacing units for Heath Formation; wells no closer than 165' to spac

Devon Post-1986 Gas P

Bow Island 19 0 36,143

2012 Production: 0 36,143

160-acre spacing units for production of gas, all formations from surface to tno closer than 330' to quarter section lines and 660' to exterior boundaries o32-83). Field enlarged, amended to provide 320-acre spacing units for Bow 

closer than 660' to interior spacing unit line and 990' to section lines (Order 588). Permanent spacing unit, Bow Island, S2 32N-2E-23 (Order 186-02).

Devon, East Post-1986 Gas P

Bow Island 11 0 38,266Spike Zone, Blackleaf Fm. 1 0 1,689

2012 Production: 0 39,955

320-acre spacing units for Bow Island gas production consisting of any two clocated no closer than 660' to spacing unit boundaries (Order 42-86). Field e

Devon, South Post-1986 Gas P

Delineated for gas production from all horizons above the top of the Kootena

located no closer than 660' to unit boundaries (Order 24-84). Field enlarged 

16 - 15
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Devon, South Unit Post-1986 Gas P

Bow Island 7 0 5,582

2012 Production: 0 5,582

South Devon Unit (Bow Island) drilled on statewide spacing and unitized for 

Diamond Point Cumulative Oil Production (Bbls): 1,299,115 Post-1986 Gas P

Interlake 1 7,250 5,264Red River 1 4,939 0

2012 Production: 12,189 5,264

320-acre spacing unit with two wells to produce from the Red River or from cshallower (Order 20-80).

Dietz Post-1986 Gas P

Canyon 2 0 16,945Cook Coal 19 0 92,918Monarch 1 0 1,098Wall 10 0 8,288Canyon, Wall 1 0 33,590Dietz 2, Dietz 3 2 0 2,992Cook, Wall 5 0 2,257Canyon, Cook 7 0 41,723Cook, Wall, Canyon 10 0 112,903

2012 Production: 0 312,714

80-acre spacing units alighned at operator's discretion with one well per coa220' setback from spacing unit boundaries, commingling authorized (Order 2

Dietz, South

80-acre spacing units for the production of gas from coals within the Fort Un

Divide Cumulative Oil Production (Bbls): 4,430,857 Post-1986 Gas P

Mission Canyon 1 5,516 4,649Ratcliffe 5 23,188 8,307Red River 7 53,638 8,871Ratcliffe, Mission Canyon 2 5,164 3,301

2012 Production: 87,506 25,128

Ratcliffe and Mission Canyon 160-acre spacing units, no closer than 660' to between wells; 150' topographic tolerance excluding boundary setback (Orde

Dooley Cumulative Oil Production (Bbls): 435,633 Post-1986 Gas P

Ratcliffe 3 6,156 1,809

2012 Production: 6,156 1,809

Statewide.

Dry Creek Cumulative Oil Production (Bbls): 4,172,565 Post-1986 Gas P

Eagle 2 0 42,918Frontier 12 0 192,641Judith River 2 0 21,022Greybull 1 184 78,519Judith River, Eagle 2 0 35,143

2012 Production: 184 370,243

Field delineated for Frontier gas production with E 1/2 or W 1/2 of sections a

Dome gas storage project approved (Order 31-66). Enlarged (Order 69-92). 

S 1/2 of section as spacing units (Order 31-76).

Dry Creek (Shallow Gas) Cumulative Oil Production (Bbls): 1,180 Post-1986 Gas P

Judith River, Claggett, Eagle, Virgelle 1 0 65,310

2012 Production: 0 65,310

160-acre spacing units with 1 well per productive horizon above Cody Shale 

than 660' to spacing unit boundaries (Order 54-76). Additional wells (Order 

16 - 16
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Dry Creek, Middle Cumulative Oil Production (Bbls): 27,479 Post-1986 Gas P

Eagle 1 602 11,264Frontier 2 0 18,602

2012 Production: 602 29,866

320-acre spacing units for Frontier gas production consisting of two adjacent north-south or east-west at operator's option; permitted well no closer than 6

Dry Creek, West Cumulative Oil Production (Bbls): 16,444 Post-1986 Gas P

Frontier 1 0 70,149Greybull 1 0 71

2012 Production: 0 70,220

Originally 160-acre spacing units for Greybull Sandstone; well location anyw

660' to unit boundary (Order 43-78); amended to include Frontier Formation (Orders 86-82, 154-04).

Dry Fork Post-1986 Gas P

Bow Island 4 0 4,801

2012 Production: 0 4,801

One well per section per horizon above top of Kootenai; wells no closer than 32-82). Additional well in Sections 20, 21 (Order 291-04).

Dugout Creek Cumulative Oil Production (Bbls): 788,563 Post-1986 Gas P

Red River 1 17,501 12,507

2012 Production: 17,501 12,507

Delineated for production from Red River with 320-acre spacing units, 660' s

82). Field enlargement, S/2 26N-55E-15 (Order 98-98).

Dugout Creek, South Cumulative Oil Production (Bbls): 57,400 Post-1986 Gas P

Red River 2 -26 0

2012 Production: -26 0

Statewide.

Dunkirk Post-1986 Gas P

Dakota 11 0 30,434

2012 Production: 0 30,434

One well per section for each producing zone, formation, or horizon above K

to section lines (Order 58-81). Field enlargements (Orders 104-81 and 66-8

Dunkirk, North Cumulative Oil Production (Bbls): 19 Post-1986 Gas P

Bow Island 28 0 47,643Sunburst 1 0 1,008Swift 2 0 3,506

2012 Production: 0 52,157

One well per governmental section per Bow Island zone or horizon, 990' setb

4 wells per section located no closer than 1,320' to another well producing fr

Field enlargements (Orders 64-78, 157-81 and 6-89). Field reductions (Orde

Swift formations in 3 sections, 4 wells per formation per section with 660' set

producing from same formation, 75' topographic or geologic tolerance (Orde

Dunmore Post-1986 Gas P

Belle Fourche 13 0 80,111

2012 Production: 0 80,111

Dutch Henry Cumulative Oil Production (Bbls): 104,164

Statewide plus two designated 160-acre spacing units (Orders 95-94 and 96

Dutch John Coulee Cumulative Oil Production (Bbls): 351,928 Post-1986 Gas P

Sunburst 4 7,392 57,678

2012 Production: 7,392 57,678

Sunburst sand unitization and gas repressuring project approved; operator munit but no closer than 330' to unit boundaries (Order 27-88).

Dwyer Cumulative Oil Production (Bbls): 10,766,420 Post-1986 Gas P

Charles 2 2,991 1,146Ratcliffe 11 65,298 13,822Red River 1 11,888 0

2012 Production: 80,177 14,968

160-acre Madison spacing units; well location in center of SE 1/4 of spacing 

(Orders 25-60, 29-61). Field reduction (Order 30-85). Single 320-acre Nisku (Order 20-68). Single Red River spacing unit with 2 wells (Order 97-83). Sinunit (Order 10-91). Exception to produce Ratcliffe (Order 60-96). Duperow s32N-58E (Order 28-98). Expanded enhanced recovery project certification (O

from field delineation (Order 45-09).

16 - 17
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Eagle Cumulative Oil Production (Bbls): 2,475,967 Post-1986 Gas P

Madison 3 6,473 7,102Mission Canyon 2 2,471 0Ratcliffe 1 631 0Ratcliffe, Mission Canyon 2 6,117 0

2012 Production: 15,692 7,102

Statewide.

Eagle Spring Cumulative Oil Production (Bbls): 39 Post-1986 Gas P

Bow Island 3 0 4,456Sunburst 1 0 834Bow Island, Sunburst 1 0 729

2012 Production: 0 6,019

One well per governmental section per zone, located no closer than 990' to s

top of the Rierdon Formation; commingling of Swift and Sunburst permissibl(Order 20-93).

East Glacier Cumulative Oil Production (Bbls): 40,013 Post-1986 Gas P

Cone Calcareous Member 3 5,771 3,725

2012 Production: 5,771 3,725

160-acre spacing units for Greenhorn (Order 41-81). Enlarge field and desigpermitted well to be located no closer than 330' to the exterior boundaries (O

Elk Basin Cumulative Oil Production (Bbls): 93,297,626 Post-1986 Gas P

Frontier 14 6,240 7,398Madison 17 110,376 63,538Embar, Tensleep 27 213,615 550,338

2012 Production: 330,231 621,274

Spacing waived within unit areas (Order 10-61). Frontier: Water injection (O

maintenance by crestal gas injection. Waterflood approved in 1966 (Order 517-61). Frontier exception locations (Orders 35-, 36-, 37-01). Frontier spaci

Elk Basin, Northwest Cumulative Oil Production (Bbls): 2,919,315 Post-1986 Gas P

Frontier 3 932 5,132Cloverly 1 27 1,277Madison 5 27,654 27,669Embar, Tensleep 1 1,334 483

2012 Production: 29,947 34,561

Spacing waived within unitized portion except that bottom of hole be no close

there be at least 1,320' surface distance between wells in same formation; 728-64). Embar-Tensleep waterflood (Order 3-67, 6-74).

Elm Coulee Cumulative Oil Production (Bbls): 125,611,690 Post-1986 Gas P

Lodgepole 1 8,244 990Bakken 773 10,100,636 12,616,350Three Forks 2 9,253 1,536

2012 Production: 10,118,133 12,618,876

Numerous individual orders for Bakken Formation spacing; area generally de

spacing units and includes lands with existing field names applicable to othe

Elm Coulee, Northeast Cumulative Oil Production (Bbls): 5,432,167 Post-1986 Gas P

Bakken 132 3,671,747 2,835,135Three Forks 8 49,268 47,140

2012 Production: 3,721,015 2,882,275

Non-delineated area with individual spacing orders for production from the B

Enid, North Cumulative Oil Production (Bbls): 1,164,710 Post-1986 Gas P

Red River 5 48,636 84,818

2012 Production: 48,636 84,818

Spaced for one-well Red River field, NE 1/4 of Section 10 and NW 1/4 of Se

Epworth Cumulative Oil Production (Bbls): 124,252 Post-1986 Gas P

Bakken 1 2,104 0

2012 Production: 2,104 0

Statewide.

16 - 18
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Ethridge Post-1986 Gas P

Bow Island 1 0 9,246Swift 9 0 45,296

2012 Production: 0 54,542

320-acre spacing units for Swift Formation; well locations no closer than 660enlarged (Order 4-92).

Ethridge, North Post-1986 Gas P

Bow Island 3 0 1,856

2012 Production: 0 1,856

320-acre spacing units for horizons above Rierdon; well location to be no clo

Section 2, T33N, R4W to remain a 640-acre spacing unit (Order 98-81). DeThird Bow Island Sand gas production (Order 66-93).

Fairview Cumulative Oil Production (Bbls): 10,535,108 Post-1986 Gas P

Mission Canyon 2 3,696 352Ratcliffe 5 12,440 4,366Duperow 1 2,320 0Red River 5 35,280 21,985Ratcliffe, Mission Canyon 1 2,830 0

2012 Production: 56,566 26,703

160-acre spacing units; wells located no closer than 660' to unit boundary (O

84). Field reduction (Order 119-84). Enlargement (Order 16-87). Northwest (Order 11-70). Spacing exception, 25N-58E-14:SE (Order 143-00).

Fairview, East Cumulative Oil Production (Bbls): 532,542 Post-1986 Gas P

Mission Canyon 1 222 1,529Duperow 1 28 546

2012 Production: 250 2,075

320-acre designated Red River spacing units (Order 76-81).

Fairview, West Cumulative Oil Production (Bbls): 604,471 Post-1986 Gas P

Madison 1 1,307 0Ratcliffe 2 6,563 4,245

2012 Production: 7,870 4,245

Statewide.

Fertile Prairie Cumulative Oil Production (Bbls): 807,540 Post-1986 Gas P

80-acre north-south Red River spacing units; location in NW 1/4 and SE 1/4 

tolerance (Orders 3-56, 7-62). Amended to provide well locations for each 8

the SW or NE quarter quarter section of each quarter section with 75' toleran80). Field enlargement (Order 70-94). Field rules vacated for Red River Fo

River) unit, Order 70-95).

Fiddler Creek Cumulative Oil Production (Bbls): 4,009 Post-1986 Gas P

Greybull 2 490 1,490

2012 Production: 490 1,490

Statewide.

Fishhook Cumulative Oil Production (Bbls): 1,504,710 Post-1986 Gas P

Nisku 1 4,840 1,360Red River 3 13,902 1,468Ratcliffe, Mission Canyon 1 2,822 0

2012 Production: 21,564 2,828

Statewide.

16 - 19
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Fitzpatrick Lake Cumulative Oil Production (Bbls): 257 Post-1986 Gas P

Bow Island 9 0 43,790Sunburst 1 0 3,328

2012 Production: 0 47,118

One well per governmental section located no closer than 990' to section line Kootenai (Order 31-79). Field enlarged (Orders 113-84 and 2-92). Authoriza

gas wells in Sec. 10, T36N, R4W (Order 50-93). Sec. 14 & 15, T36N, R4W and below Bow Island; 320-acre spacing units consisting of two regular quar

660' setback from spacing unit boundaries (Order 1-94). Field reduction, en123-01, 88-03).

Flat Coulee Cumulative Oil Production (Bbls): 5,892,146 Post-1986 Gas P

Bow Island 2 0 2,216Dakota 1 0 4,486Swift 15 21,221 1,842Bow Island, Dakota 2 0 4,635

2012 Production: 21,221 13,179

Bow Island Gas: wells to be 330' from boundary of legal subdivision and 1,3(Orders 36-54, 16-55). Sawtooth/Swift oil: 40-acre spacing units; well in centopographic tolerance (Orders 16-62, 19-63). Waterflood unit and redelineat(Orders 13-71, 17-A-71, 22-71).

Flat Coulee, East Post-1986 Gas P

Spike Zone, Blackleaf Fm. 1 0 6,374

2012 Production: 0 6,374

Single160-acre spacing unit, 37N-6E-19: NW/4, for gas production from the 

Flat Lake Cumulative Oil Production (Bbls): 22,291,487 Post-1986 Gas P

Ratcliffe 27 68,407 41,499Bakken 22 354,737 37,203Nisku 14 67,376 8,014Red River, Nisku 1 10,061 13,338

2012 Production: 500,581 100,054

160-acre Madison spacing units; well location in center of NE 1/4 of quarter swells no closer than 961' to North Dakota state line and no closer than 1,600amended; 43-65, 23-66, 33-66). Unit operation for eastern part of field (Orde

part of field (Order 32-74). Lower Ratcliffe pemanent spacing unit NE/4 Sec(Order 22-97). Nisku unit approved (Orders 112-00, 118-00, 62-03). E. Flat 

(Order 61-03).

Flat Lake, East Cumulative Oil Production (Bbls): 295,426 Post-1986 Gas P

Madison 1 7,895 1,017

2012 Production: 7,895 1,017

Single 160-acre Madison spacing unit (Order 103-84).

Flat Lake, South Cumulative Oil Production (Bbls): 1,292,179 Post-1986 Gas P

Ratcliffe 3 14 0

2012 Production: 14 0

160-acre spacing units for Ratcliffe (Order 2-67); Wells may be located anyw

closer than 660' to any unit boundary (Order 49-80).

Flaxville Cumulative Oil Production (Bbls): 56,283 Post-1986 Gas P

160-acre Madison spacing units; permitted wells to be no closer than 660' to 

(Order 105-82). 150' tolerance for topographic reasons (Order 124-82).

Forks Ranch

80-acre spacing units for the production of gas from coals within the Fort Un

Fort Conrad Post-1986 Gas P

Bow Island 8 0 3,125

2012 Production: 0 3,125

640-acre spacing units for Bow Island gas production; wells no closer than 9Field enlargement (Order 118-82).

Fort Gilbert Cumulative Oil Production (Bbls): 2,740,319 Post-1986 Gas P

Madison 2 4,840 0Mission Canyon 1 3,006 1,765Red River 1 5,619 2,357Ratcliffe, Mission Canyon 1 1,658 0

2012 Production: 15,123 4,122

160-acre Ratcliffe/Mission Canyon spacing units; wells no closer than 660' to tolerance (Order 94-81). Excess produced associated gas reinjected into Du

16 - 20
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Four Buttes Cumulative Oil Production (Bbls): 42,391

Single spacing unit for production from McGowan (Order 15-98).

Four Mile Creek Cumulative Oil Production (Bbls): 527,493 Post-1986 Gas P

Ratcliffe 1 11,090 1,302Red River 1 1,190 500

2012 Production: 12,280 1,802

320-acre spacing units for Red River (Order 43-75). Field reduction (Order 1

Four Mile Creek, West Cumulative Oil Production (Bbls): 653,606 Post-1986 Gas P

Red River 1 9,640 5,141

2012 Production: 9,640 5,141

Statewide.

Fourmile East

80-acre spacing units for production of gas from coals within the Fort Union 

Fox Creek Cumulative Oil Production (Bbls): 304,137 Post-1986 Gas P

Red River 1 4,923 0

2012 Production: 4,923 0

Statewide.

Fox Creek, North Cumulative Oil Production (Bbls): 75,398 Post-1986 Gas P

160-acre spacing units for Madison Formation; wells no closer than 660' to t

tolerance (Order 13-84).

Fox Lake Cumulative Oil Production (Bbls): 46,563 Post-1986 Gas P

Red River 1 1,977 7,966

2012 Production: 1,977 7,966

Single spacing unit, Red River Formation, 22N-55E-28: W/2 and 29: E/2 (O

Frannie Cumulative Oil Production (Bbls): 773,613 Post-1986 Gas P

10-acre spacing units; well location in center of each unit with 100' topograph

for waterflood of Phosphoria-Tensleep formations using produced fluids (Ord

85).

Fred & George Creek Cumulative Oil Production (Bbls): 13,919,615 Post-1986 Gas P

Bow Island 3 0 15,245Sunburst 30 34,113 3,247Swift, Sunburst 1 311 0

2012 Production: 34,424 18,492

Sunburst Oil: 40-acre spacing units; well location in center of unit with 250' t65, amended by Order 27-65). Sunburst Gas: same as Arch Apex (Order 4

waterflood units in field and area (Orders 13-70, 27-71, 40-80, 43-93, 44-93, 

Fresno Post-1986 Gas P

Eagle 6 0 53,578Niobrara 18 0 167,397

2012 Production: 0 220,975

640-acre spacing units for Eagle (Virgelle) and shallower horizons; wells locaboundary; one well per spacing unit per horizon (Order 14-76). Field enlargwithin certain areas (Order 52-80).

Frog Coulee Cumulative Oil Production (Bbls): 373,125 Post-1986 Gas P

Red River 1 4,742 60,298

2012 Production: 4,742 60,298

320-acre Red River spacing units; wells no closer than 660' to the unit bound

Froid, South Cumulative Oil Production (Bbls): 455,894 Post-1986 Gas P

Red River 2 6,585 0

2012 Production: 6,585 0

Statewide.

16 - 21
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Gage Cumulative Oil Production (Bbls): 686,324

Amsden 2 905 0

2012 Production: 905 0

40-acre Amsden spacing units; well to be in center of each unit with a toleran

geological reasons (Order 120-80). Field enlargement (Order 44-81).

Galata Post-1986 Gas P

Bow Island 5 0 5,750

2012 Production: 0 5,750

Two wells from same Bow Island horizon per section no closer than 1,320' to (Order 28-85). Field enlarged (Orders 21-84, 41-85 and 76-85). Four wells 

Gas City Cumulative Oil Production (Bbls): 13,145,593 Post-1986 Gas P

Siluro-Ordovician 19 104,225 0Red River 2 20,480 3,880

2012 Production: 124,705 3,880

80-acre spacing units consisting of E 1/2 and W 1/2 of quarter sections; well 

quarter section; 150' topographic tolerance; spacing waived in unitized portio

(Order 16-69). Field reduction (127-03, 150-03).

Gas Light Post-1986 Gas P

Eagle 12 0 35,184

2012 Production: 0 35,184

Delineated, Eagle Formation, 640-acre spacing units with up to 4 wells per s

boundaries (Order 149-01).

Gettysburg Cumulative Oil Production (Bbls): 304

Statewide.

Gildford, North Post-1986 Gas P

320-acre spacing units for Sawtooth production with no well closer than 660' 38-76, 9-79). Eagle Spacing unit S2 33N-11E-6, N2 33N-11E-7 (Order 220-11E-6, N2 N2 33N-11E-7 (Order 33-03).

Girard Cumulative Oil Production (Bbls): 741,472 Post-1986 Gas P

Bakken 2 2,736 0

2012 Production: 2,736 0

Statewide, plus Bakken spacing unit comprised of 24N-55E-11: All, 2 horizon

Glendive Cumulative Oil Production (Bbls): 15,285,126 Post-1986 Gas P

Siluro-Ordovician 5 34,146 4,835Red River 7 31,395 464

2012 Production: 65,541 5,299

80-acre spacing units consisting of any two adjacent quarter-quarter sectionsSW 1/4 of each quarter section with 75' topographic tolerance (Orders 27-55

acre spacing units; commingling of Red River and Madison formations (OrdeFormation wells in specific spacing units (Orders 21-93, 22-93).

Glendive, South Cumulative Oil Production (Bbls): 68,936

Statewide.

Gold Butte Cumulative Oil Production (Bbls): 2,457 Post-1986 Gas P

Sunburst, Dakota 1 911 0

2012 Production: 911 0

640-acre spacing for Bow Island and Swift, well location in any quarter-quart

section (Order 26-59). Amended field boundary (Order 43-77).

Golden Dome Cumulative Oil Production (Bbls): 124,939 Post-1986 Gas P

Eagle 1 0 1,745Frontier 5 103 22,816Greybull 2 5 24,357

2012 Production: 108 48,918

Originally 160-acre spacing for Judith River, Claggett, and Eagle (Virgelle); w

boundary (Order 15-72). Single spacing unit for Greybull Formation (Order 1of Frontier and Greybull formations (Order 135-82).

Goose Lake Cumulative Oil Production (Bbls): 10,772,067 Post-1986 Gas P

Ratcliffe 10 29,544 3,537Red River 1 14,072 6,706

2012 Production: 43,616 10,243

160-acre spacing units for Ratcliffe Formation (Order 42-63). Field enlarged said orders for authorized well locations. Field size reduced (Order 29-77). (Order 1-82). North Goose Lake Unit waterflood (Order 17-72).

16 - 22
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Goose Lake Red River Cumulative Oil Production (Bbls): 83,146 Post-1986 Gas P

Red River 1 3,130 1,409

2012 Production: 3,130 1,409

Two 320-acre spacing units for Red River Formation (Orders 1-82, 56-96). R56-96 (Order 41-97).

Goose Lake, East Cumulative Oil Production (Bbls): 4,522

320-acre N/2 and S/2 spacing units for production from Red River Fm. 660' (Order 20-81).

Goose Lake, West Cumulative Oil Production (Bbls): 772,908 Post-1986 Gas P

Red River 2 3,198 788

2012 Production: 3,198 788

Statewide, plus single Red River spacing unit (Order 100-98).

Gossett Cumulative Oil Production (Bbls): 424,891 Post-1986 Gas P

Ratcliffe 1 1,215 0

2012 Production: 1,215 0

Statewide.

Graben Coulee Cumulative Oil Production (Bbls): 2,702,722 Post-1986 Gas P

Cut Bank 15 7,200 0Sunburst 4 1,788 0Cut Bank, Madison 4 3,265 0

2012 Production: 12,253 0

Sunburst - 40-acre spacing units; well location no closer than 330' to legal su

Madison - Oil: 330' from boundary of legal subdivision and 650' from any othlease; 75' topographic tolerance; 5-spot location on 40-acre tract (Order 73-6

(Order 61-83).

Grandview Cumulative Oil Production (Bbls): 88,347 Post-1986 Gas P

Bow Island 7 0 23,396Sunburst 2 6,114 0Sawtooth 1 0 11,027Bow Island, Sunburst, Swift 1 6,210 0

2012 Production: 12,324 34,423

320-acre spacing units for all gas producing horizons, aligned in a north-sout660' to a spacing unit boundary (Order 49-67). 160-acre spacing units, NE & Additional wells (Order 38-03). Enlargement (Orders 123-02, 242-03). Perm5-E2SE, 8-E2NE, 9-W2NW, two wells authorized (Order 111-03). Permanen

SE, two wells + two wells in W2 of Sec. 8 (Order 243-03).

Grandview, East Cumulative Oil Production (Bbls): 73,190

Swift 2 704 0

2012 Production: 704 0

Statewide.

Gray Blanket Cumulative Oil Production (Bbls): 519,321

Tensleep 2 8,897 0

2012 Production: 8,897 0

40-acre spacing units for Tensleep Formation. Wells located no closer than tolerance upon administrative approval (Order 20-92).

Grebe Cumulative Oil Production (Bbls): 83,399 Post-1986 Gas P

Tyler 2 4,176 0

2012 Production: 4,176 0

Tyler secondary recovery unit approved (Order 5-75).

Green Coulee Cumulative Oil Production (Bbls): 128,759

160-acre spacing units for Ratcliffe Formation; locations no closer than 660

topographic or geologic reasons. 320-acre spacing units for the Red River F660' to the unit boundary nor closer than 1,650' to any well producing from th

Green Coulee, East Cumulative Oil Production (Bbls): 210,883 Post-1986 Gas P

Ratcliffe 1 2,835 2,613

2012 Production: 2,835 2,613

Delineated for production from Red River Formation with single 320-acre spa(Order 6-95). Reduction (Orders 108-02, 174-02).

16 - 23
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Gumbo Ridge Cumulative Oil Production (Bbls): 646,125 Post-1986 Gas P

Tyler 4 1,290 0

2012 Production: 1,290 0

Tyler Formation waterflood unit (Order 54-79). Certified as an expanded enh

(Order 6-95).

Gunsight Cumulative Oil Production (Bbls): 1,018,340 Post-1986 Gas P

Madison 1 2,773 0Ratcliffe 6 35,619 7,365

2012 Production: 38,392 7,365

Statewide.

Gypsy Basin Cumulative Oil Production (Bbls): 522,973 Post-1986 Gas P

Madison 3 331 0

2012 Production: 331 0

Sunburst-Swift - 330' from lease lines and 660' between wells in same formasection (Order 7-66). Sawtooth-Madison oil and gas - 40-acre spacing units

line (Orders 7-66, 12-79).

Hammond Post-1986 Gas P

Muddy 15 0 22,142

2012 Production: 0 22,142

320-acre spacing units for Muddy Formation; each unit shall consist of a regwell location to be no closer than 660' to a unit boundary nor closer than 990(Order 97-80).

Hardpan Cumulative Oil Production (Bbls): 2,805 Post-1986 Gas P

Bow Island 6 0 23,223

2012 Production: 0 23,223

Spacing one well per section for Kootenai and above. Well location no close

(Order 145-81). Field enlargement (Order 131-82). Allow 2 wells per spacinR3E (Order 72-92). Allow 4 wells per section (Order 16-01). Field enlargem

Hardscrabble Creek Cumulative Oil Production (Bbls): 170,566 Post-1986 Gas P

Statewide.

Havre

Single spacing unit for production of gas from Eagle (Order 48-82).

Hawk Creek Cumulative Oil Production (Bbls): 13,277

Statewide.

Hawk Haven Cumulative Oil Production (Bbls): 54,099 Post-1986 Gas P

Mission Canyon 1 1,767 0

2012 Production: 1,767 0

Single 320-acre Madison spacing unit (Order 101-94).

Hay Creek Cumulative Oil Production (Bbls): 1,825,659 Post-1986 Gas P

Duperow 1 3,507 0Stonewall, Interlake 1 3,405 280

2012 Production: 6,912 280

320-acre spacing for Red River, consisting of any two adjacent quarter sectioboundary (Orders 15-69, 27-73).

Haystack Butte Post-1986 Gas P

Bow Island 10 0 21,988

2012 Production: 0 21,988

640-acre spacing units; one well per producing horizon above Kootenai Formunit boundary (Order 85-76). Amended field boundary (Order 37-77). Two gunit (Order 146-97).

Haystack Butte, West Post-1986 Gas P

Bow Island 9 0 29,991

2012 Production: 0 29,991

320-acre regular half-section spacing units for all formations above Rierdon; 

boundaries; commingling of production authorized as specified (Order 6-88). 

Hell Coulee Cumulative Oil Production (Bbls): 67,203 Post-1986 Gas P

Statewide.

16 - 24
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Hellers Peak

80-acre spacing units for the production of gas from coals within the Fort Un2006).

Hiawatha Cumulative Oil Production (Bbls): 1,793,372 Post-1986 Gas P

Tyler 2 5,795 0

2012 Production: 5,795 0

Statewide.

Hibbard Cumulative Oil Production (Bbls): 226,494

Statewide.

High Five Cumulative Oil Production (Bbls): 3,461,102 Post-1986 Gas P

Tyler 6 50,855 4,432

2012 Production: 50,855 4,432

Spacing waived, unitized, and polymer-waterflood authorized (Order 110-80)

Highline Post-1986 Gas P

Single 640-acre spacing unit for Eagle and shallower horizons (Order 35-88)

Highview Cumulative Oil Production (Bbls): 141,236

Sawtooth 1 252 0Madison 3 681 0Devonian Undifferentiated 1 287 0

2012 Production: 1,220 0

160-acre spacing units, located no closer than 660' from spacing unit bounda84-76). Orders 32-76, 84-76 and 63-82 are amended to provide as follows: Sunburst, Morrison, and Swift formations shall be no closer than 330' from th

permitted well in the same formation with only two such wells per quarter qua

tolerance. 2. Madison: (Gas) 160-acre spacing units with well location to b

section lines. 3. Madison: (Oil) 40-acre spacing units with permitted locatiolease line with a 150' topographic tolerance. 4. Sawtooth: (Oil and Gas) 40

location to be no closer than 330' from the lease line with a 150' topographic 

Hodges Creek Cumulative Oil Production (Bbls): 17,328 Post-1986 Gas P

Red River 1 876 0

2012 Production: 876 0

Single 640-acre permanent spacing unit for production from the Red River F

Homestead Cumulative Oil Production (Bbls): 303

Stastewide.

Honker Cumulative Oil Production (Bbls): 117,078 Post-1986 Gas P

320-acre specified spacing units for Red River Formation; permitted well no (Order 105-80). Single 160-acre Winnipegosis spacing unit (Order 82-81).

Horse Creek Cumulative Oil Production (Bbls): 13,516

Statewide.

Howard Coulee Cumulative Oil Production (Bbls): 285,995

Tyler 1 5,221 0

2012 Production: 5,221 0

Statewide.

IngomarInjun Creek Cumulative Oil Production (Bbls): 144,370

Tyler 2 210 0

2012 Production: 210 0

Statewide.

16 - 25
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Intake II Cumulative Oil Production (Bbls): 1,070,987 Post-1986 Gas P

Mission Canyon 1 5,948 727

2012 Production: 5,948 727

320-acre spacing units for Red River Formation; permitted well to be located boundary (Order 99-81).

Ivanhoe Cumulative Oil Production (Bbls): 5,007,326

Cat Creek, Second 1 587 0Morrison 3 31,821 0Amsden 1 7,241 0Tyler 2 6,987 0

2012 Production: 46,636 0

40-acre spacing unit for production from any one formation; well location in ctolerance (Order 7-60 and 13-56). Field size reduced (Orders 27-89 and 29-

Jack Creek Cumulative Oil Production (Bbls): 1,310

Statewide.

Jim Coulee Cumulative Oil Production (Bbls): 4,541,750 Post-1986 Gas P

Tyler 1 656 0

2012 Production: 656 0

Unitized, no well to be drilled closer than 330' to unit boundary (Order 18-72)

Johnson Lake Cumulative Oil Production (Bbls): 574

Bakken 1 20 0

2012 Production: 20 0

Single 640-acre spacing unit (37N-56E-17) for production from the Bakken F

Katy Lake Cumulative Oil Production (Bbls): 372,793 Post-1986 Gas P

Red River 1 8,355 8,355

2012 Production: 8,355 8,355

Statewide.

Katy Lake, North Cumulative Oil Production (Bbls): 7,144,249 Post-1986 Gas P

Madison 3 14,800 34,605Mission Canyon 2 20,469 7,442Nesson Zone 1 65 22Ratcliffe 1 5,351 3,454Red River 6 23,779 18,366

2012 Production: 64,464 63,889

Statewide except for single 320-acre Red River spacing unit (Order 88-84), a

spacing unit (Order 89-84).

Keg Coulee Cumulative Oil Production (Bbls): 5,865,902 Post-1986 Gas P

Tyler 6 6,554 0

2012 Production: 6,554 0

40-acre spacing in southwest portion of field; spacing is waived in unitized po

acre spacing in remainder of field with variable pattern (Orders 11-60, 28-62)1/2 Sec. 35-11N-30E; NW 1/4 Sec. 35-11N-30E; NW 1/4 Sec. 2-10N-30E (Ovaries from 100' to 250' (Order 11-60, 4-64, 23-64). Buffer zone waived (Ord76). Amended (Order 58-76). Three waterflood units (Orders 3-64, 28-66, 1

unit approved effective 11/1/94 (Order 94-94).

Keg Coulee, North Cumulative Oil Production (Bbls): 451,709

Tyler 1 14 0

2012 Production: 14 0

40-acre Tyler Fm. spacing units with wells to be located at center of each sp(Order 46-64). Field reduction (Order 59-76).

Keith Area Post-1986 Gas P

Second White Specks 3 0 6,585Bow Island 1 0 947Sawtooth 2 0 5,149

2012 Production: 0 12,681

Statewide.

16 - 26
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Keith, East Post-1986 Gas P

Niobrara 1 0 10,212Second White Specks 9 0 38,656Bow Island 17 0 167,633Sawtooth 4 0 54,273Second White Specks, Spike 1 0 554

2012 Production: 0 271,328

Statewide, except unitized portions spaced by Order 22-62. Amended to allo

units (Order 52-95). Designation of 36N-6E-13 as spacing unit; no more tha

no more than 2 wells for each pre-Cretaceous Fm (Order 47-96). Kolhei UniCretaceous Fm and no more than 2 wells for each pre-Cretaceous Fm (Orde

Kelley Cumulative Oil Production (Bbls): 1,068,237 Post-1986 Gas P

Tyler 1 2,600 0

2012 Production: 2,600 0

40-acre spacing units with well at center of spacing unit with a 250' topograp

Waterflood using Third Cat Creek water (Orders 8-69, 51-76). Certified as aeffective 4/1/95 (Order 19-95).

Kevin Area

Statewide.

Kevin Southwest Cumulative Oil Production (Bbls): 415 Post-1986 Gas P

Bow Island 1 0 3,833Dakota 7 0 25,024Sunburst 6 0 16,953Swift 3 0 21,463Bow Island, Dakota, Sunburst 3 0 43,199Bow Island, Sunburst, Swift 2 0 5,012Bow Island, Dakota 3 0 12,510Bow Island, Sunburst 3 0 13,268Bow Island, Swift 1 0 5,225Sunburst, Dakota 2 0 8,622

2012 Production: 0 155,109

320-acre half section spacing units lying north-south or east-west at operato

unit boundary for Sunburst-Swift formations and all formations above the top 

48-78). Field enlargement (Orders 82-79, 96-79, 47-80, 163-81 and 41-89). (Order 68-99).

Kevin Sunburst (Dakota) Post-1986 Gas P

Dakota 1 0 3,740

2012 Production: 0 3,740

Single spacing unit for gas production from Dakota (Order 45-90).

Kevin Sunburst-Bow Island Post-1986 Gas P

Bow Island 10 0 28,834

2012 Production: 0 28,834

160-acre Bow Island spacing units; location no closer than 660' to spacing u

Field enlargement (Orders 17-88, 11-91, 123-01).

Kevin, East Bow Island Gas Post-1986 Gas P

Bow Island 6 0 10,880

2012 Production: 0 10,880

160-acre spacing units, one well no closer than 660' to spacing unit boundar

or horizon from top of the Blackleaf to top of Dakota (Order 3-92).

Kevin, East Gas Post-1986 Gas P

Bow Island 2 0 20,178Sunburst 1 0 8,446Bow Island, Sunburst, Swift 1 0 2,362

2012 Production: 0 30,986

320-acre designated spacing units for gas production from all horizons abovfrom spacing unit boundaries, 1 well per horizon per spacing unit, commingli

enlargements (Orders 29-86, 10-87, and 8-90).

16 - 27
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Kevin, East Nisku Oil Cumulative Oil Production (Bbls): 981,275 Post-1986 Gas P

Nisku 15 13,156 46,144

2012 Production: 13,156 46,144

80-acre spacing units consisting of E 1/2 or W 1/2 of quarter section; wells in 

quarter section with 200' geologic or topographic tolerance (Order 46-84). F

spacing unit authorized to produce gas from the gas cap (Order 24-88). Exc(Orders 29-97, 11-98). Exception to drill NW/4 SW/4, 35N-1E-31 (Order 70-

Kevin-Sunburst Cumulative Oil Production (Bbls): 84,481,743 Post-1986 Gas P

Colorado Shale 1 19 0Bow Island 34 0 46,235Burwash 8 1,039 9Cut Bank 1 0 2,005Sunburst 96 19,918 60,662Ellis 37 6,023 13,820Swift 34 39,691 11,922Sawtooth 1 201 0Madison 770 186,518 173,106Nisku 1 0 2,869Bow Island, Dakota, Sunburst 2 0 7,066Bow Island, Sunburst, Swift 7 0 27,187Bow Island, Dakota 3 0 5,638Bow Island, Sunburst 7 0 24,967Bow Island, Swift 4 0 12,249Bow Island, Dakota, Kootenai, Sunburst 2 0 8,953Dakota, Kootenai 1 0 3,571Ellis, Madison 1 9 0Madison, Swift 1 0 1,426Madison, Sunburst 1 219 249Sunburst, Dakota 1 0 1,588Swift, Sunburst 8 0 26,892

2012 Production: 253,637 430,414

Oil: 9 Wells per 40-acre tract; only 3 wells on any side of tract with set back no closer than 330' from the boundaries of any legal subdivision line, nor lesproducible well on the same lease or unit (Orders 8-54, 28-55). Single spac(Order 54-87). 160-acre Bow Island spacing units established (Orders 2-88, spacing units for production of gas from all formations from surface to base oThere are three waterfloods in operation using Madison water (Orders 9-64, produced water disposed into Madison (EPA-87). SWD approved EPA-84, 8

approved EPA-88, 91, 92. Ferdig Swift Unit approved (Order 52-92).

Kevin-Sunburst Nisku Gas Cumulative Oil Production (Bbls): 17 Post-1986 Gas P

Nisku 2 0 35,766

2012 Production: 0 35,766

Nisku Gas: 640-acre spacing units; location no closer than 990' to spacing u80-acre spacing units; location no closer than 330' to spacing unit boundary comprised of N/2 and N/2 S/2 35N-1W-35 (Order 10-98).

Kicking Horse Cumulative Oil Production (Bbls): 1,526 Post-1986 Gas P

Bow Island 11 0 66,083Sunburst 3 0 3,458

2012 Production: 0 69,541

320-acre spacing units for Madison and shallower horizons; location no close

to field boundary (Order 17-74). Include additional lands and provide that 32N/2 & S/2 or E/2 & W/2 of section (Order 53-80). Enlargement (Order 245-04

Kincheloe Ranch Cumulative Oil Production (Bbls): 924,523 Post-1986 Gas P

Tyler 4 6,646 1,846

2012 Production: 6,646 1,846

Statewide, plus two Tyler waterfloods (Orders 47-91 and 46-88).

Kinyon Coulee South Post-1986 Gas P

Single Bow Island spacing unit with one well; location no closer than 990' to 

16 - 28
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Kippen Area, East Cumulative Oil Production (Bbls): 150 Post-1986 Gas P

Statewide.

Krug Creek Cumulative Oil Production (Bbls): 15,288

Delineated for production from Red River Fm; 320-acre spacing units, 660' s

Laird Creek Cumulative Oil Production (Bbls): 639,993 Post-1986 Gas P

Swift 7 1,357 12,088Sunburst, Dakota 1 48 0

2012 Production: 1,405 12,088

Waterflood authorized for Swift Formation (Order 25-74), commenced 2-25-7Swift gas production (Order 37-92).

Lake Basin Cumulative Oil Production (Bbls): 473,639 Post-1986 Gas P

Eagle 9 0 27,277Telegraph Creek Formation 1 0 1,582Big Elk Sandstone 1 0 15,481Muddy 1 0 13,648Eagle, Claggett, Virgelle 1 0 7,511

2012 Production: 0 65,499

160-acre spacing units to base of Virgelle; wells no closer than 660' to unit b

commingling with administrative approval (Order 9-74).

Lake Basin, North Post-1986 Gas P

640-acre spacing units for all productive horizons; locations 990' from sectiospacing units for Claggett and Eagle/Virgelle, wells located no closer than 66

restricted sections (Order 63-76). 160-acre spacing units for Frontier gas, 2Nexternal setback (Order 63-99).

Lake Francis Post-1986 Gas P

Bow Island 24 0 73,786

2012 Production: 0 73,786

Delineation, surface to top Kootenai, 160-acre spacing units, 660' setbacks, 

342-2003).

Lakeside Cumulative Oil Production (Bbls): 487

Statewide.

Lambert Cumulative Oil Production (Bbls): 911,260 Post-1986 Gas P

Red River 1 28,707 21,972

2012 Production: 28,707 21,972

320-acre Red River spacing units comprised of the E 1/2 and W 1/2 of sectio

Lambert, North Cumulative Oil Production (Bbls): 36,552

Statewide.

Lambert, South Cumulative Oil Production (Bbls): 836,482 Post-1986 Gas P

Red River 3 17,904 7,647

2012 Production: 17,904 7,647

Single Red River Formation Spacing Unit (Order 75-96).

Lamesteer Creek Cumulative Oil Production (Bbls): 31,845

Single Red River spacing unit (Order 101-84).

Landslide Butte Cumulative Oil Production (Bbls): 916,364 Post-1986 Gas P

Madison 11 13,674 7,760Sun River Dolomite 1 606 0

2012 Production: 14,280 7,760

Statewide.

16 - 29
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Lane Cumulative Oil Production (Bbls): 1,821,399 Post-1986 Gas P

Bakken 1 333 0Red River 7 63,094 77,312Stonewall, Red River 1 6,540 9,242

2012 Production: 69,967 86,554

Statewide, plus single Red River spacing unit, 23N-54E-18: E2, with designa

Laredo

320-acre Eagle spacing with unit consisting of one-half section lying north-so

990' to unit boundary (Order 8-74). 32N-14E, Secs. 18, 19, 30 removed from 

Lariat Cumulative Oil Production (Bbls): 3,599

Single Red River Fm. Spacing unit.

Laurel Cumulative Oil Production (Bbls): 1,017

10-acre spacing units for Dakota Fm.; wells to be located in center of spacin(Order 15-62).

Leary Cumulative Oil Production (Bbls): 701,816 Post-1986 Gas P

Muddy 1 1,795 0

2012 Production: 1,795 0

40-acre spacing units for Muddy Fm.; wells located no closer than 330' to sptopographic tolerance (Order 115-84 which amended Orders 12-69, 19-70, a

Ledger Cumulative Oil Production (Bbls): 292 Post-1986 Gas P

Bow Island 35 0 71,656

2012 Production: 0 71,656

640-acre Bow Island spacing; wells located no closer than 990' to section linapproval (Order 53-77). Field enlargement and amendment to allow two wel

Leroy Post-1986 Gas P

Eagle 22 0 143,000Judith River 1 0 10,854Judith River, Eagle 1 0 9,086

2012 Production: 0 162,940

320-acre spacing for Judith River and Eagle/Virgelle with unit consisting of h

west. Wells no closer than 660' to unit boundary and 990' to field boundary. tolerance (Order 72-80). Field enlargement (Order 31-87).

Line Coulee Cumulative Oil Production (Bbls): 57,789

Statewide.

Liscom Creek Post-1986 Gas P

Shannon 4 0 46,268

2012 Production: 0 46,268

Shannon spacing, one well per 640 acres located no closer than 990' to sect

Lisk Creek Cumulative Oil Production (Bbls): 1,963

Statewide.

Lisk Creek, South Cumulative Oil Production (Bbls): 43,922 Post-1986 Gas P

Red River 1 4,229 4,383

2012 Production: 4,229 4,383

Statewide.

Little Basin Post-1986 Gas P

640-acre Frontier spacing units; one well per section located no closer than 986).

Little Beaver Cumulative Oil Production (Bbls): 18,151,681 Post-1986 Gas P

Siluro-Ordovician 34 212,203 19,083

2012 Production: 212,203 19,083

Spacing waived and General Rules suspended until unit agreement become

Waterflood of the Red River was commenced in August 1967 (Order 3-66). Lenhanced recovery project (Order 10-01).

16 - 30
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Little Beaver, East Cumulative Oil Production (Bbls): 8,393,072 Post-1986 Gas P

Siluro-Ordovician 17 87,430 12,341Red River 5 11,046 1,996

2012 Production: 98,476 14,337

Same as for Little Beaver (Order 42-62). Waterflood of the Red River commLittle Beaver East Unit certified as expanded enhanced recovery project (Ord04).

Little Creek Post-1986 Gas P

Eagle 5 0 37,026

2012 Production: 0 37,026

Statewide.

Little Phantom Cumulative Oil Production (Bbls): 58,500

10-acre spacing units; well location no closer than 220' to the exterior bound

440' to any well capable of or producing from the Sunburst Sands (Order 46-

Little Rock Post-1986 Gas P

Blackleaf 2 0 1,257Bow Island 1 0 9,864Lander 5 0 5,871Bow Island, Blackleaf 8 0 34,764

2012 Production: 0 51,756

320-acre N 1/2 and S 1/2 spacing units for Blackleaf and Bow Island; well lo

of Section 14 and 660' to the remaining unit boundary lines (Order 40-78). F80). Allow two wells within each spacing unit no closer than 1,320' to each oboundaries (Order 12-90). Two 320-acre spacing units for Lander Formation than 1320' to another Lander formation well and 330' to the spacing unit bouLander gas production (Order 48-93).

Little Wall Creek Cumulative Oil Production (Bbls): 3,979,325 Post-1986 Gas P

Tyler 4 11,861 0

2012 Production: 11,861 0

Little Wall Creek, Tyler Sand Unit (Order 40-84). Weisner Tyler Sand Unit a

Little Wall Creek, South Cumulative Oil Production (Bbls): 1,583,741 Post-1986 Gas P

Tyler 4 8,012 0

2012 Production: 8,012 0

South Little Wall Creek Unit waterflood (Order 85-83). Gunderson Tyler San

by Order 21-92). Hamilton-Gunderson Tyler Sand Unit (Order 22-92).

Lobo Cumulative Oil Production (Bbls): 260,135 Post-1986 Gas P

Statewide.

Lodge Grass Cumulative Oil Production (Bbls): 399,934

Statewide.

Lohman Post-1986 Gas P

Eagle 2 0 12,028

2012 Production: 0 12,028

640-acre Eagle spacing; one well per section located no closer than 990' fro

Exception locations (Orders 109-01, 159-01). Field reduction (Order 173-04

Lohman Area Post-1986 Gas P

Niobrara 1 0 1,514

2012 Production: 0 1,514

Statewide.

Lone Butte Cumulative Oil Production (Bbls): 1,002,380 Post-1986 Gas P

Madison 1 2,219 2,855Red River 1 8,059 5,026

2012 Production: 10,278 7,881

Single 320-acre spacing unit for Red River and Interlake Formations; 160-ac

location no closer than 660' to unit boundary; 150' topographic or geologic to

Lone Rider Cumulative Oil Production (Bbls): 5,903

Statewide.

16 - 31
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Loneman Coulee Cumulative Oil Production (Bbls): 2,119

Madison 1 820 0

2012 Production: 820 0

20-acre spacing units for the production of oil from the Madison and Sawtootspacing unit boundaries (Order 54-09).

Lonetree Creek Cumulative Oil Production (Bbls): 5,873,143 Post-1986 Gas P

Madison 1 4,506 0Mission Canyon 1 1,442 0Interlake 2 4,124 1,083Red River 2 15,886 5,790Red River, Interlake 2 17,281 7,363

2012 Production: 43,239 14,236

320-acre Red River spacing, wells 660' from spacing boundary, 2,000' betwe(Orders 162-81 and 84-85). Ratcliffe and Mission Canyon delineation, S/2, S

Interlake spacing unit, N/2, Sec. 10, T24N, R57E (Order 51-95). 320-acre In(Order 87-00).

Lonetree Creek, West Cumulative Oil Production (Bbls): 33,029

Red River spacing units, S 1/2 and N 1/2 of Section 12, T24N, R56E. No weboundary or 1,320' to existing well (Order 73-82).

Long Creek Cumulative Oil Production (Bbls): 108,318

Charles 1 1,297 0

2012 Production: 1,297 0

Statewide.

Long Creek, West Cumulative Oil Production (Bbls): 1,036,838 Post-1986 Gas P

Nisku 2 9,796 4,298

2012 Production: 9,796 4,298

80-acre Nisku Fm. spacing units comprised of two contiguous quarter quartegovernmental sections aligned either N-S or E-W; locations no closer than 3other producing well (Order 27-77). Field enlarged (Order 71-83).

Lookout Butte Cumulative Oil Production (Bbls): 37,173,430 Post-1986 Gas P

Lodgepole 2 1,396 581Siluro-Ordovician 40 673,505 157,825Red River 2 4,879 0

2012 Production: 679,780 158,406

160-acre spacing; well location in center of SE 1/4 of each quarter section w

21-62). Coral Creek Unit not subject to spacing rules. Redelineated (Orders 

57-85, 6-87, 69-94). Waterflood of Silurian-Ordovician (Order 35-66). Coral 

all of Siluro-Ordovician (Order 155-00). Expanded enhanced recovery projec(Order 14-01).

Lookout Butte, East, Unit Cumulative Oil Production (Bbls): 28,141,708 Post-1986 Gas P

Red River 57 937,152 252,838

2012 Production: 937,152 252,838

22 delineated Red River spacing units with wells located no closer than 660' 

topographic tolerance (Order 87-85). Field enlargement and inclusion of Ma(Order 6-87). Pilot waterflood (Orders 19-88, 21-89, 42-90A, 49-90, 77-92, 3area, certification as an expanded enhanced recovery project (Order 53-94). recovery unit (Order 70-95).

16 - 32
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Loring Post-1986 Gas P

Bowdoin 44 0 126,282Phillips 11 0 18,488Bowdoin, Greenhorn, Phillips, Niobrara 34 0 216,382Bowdoin, Greenhorn, Niobrara 16 0 94,234Niobrara, Greenhorn, Phillips 12 0 59,166Bowdoin, Greenhorn 17 0 58,729Bowdoin, Greenhorn, Phillips 20 0 70,524Bowdoin, Greenhorn 2 0 227Greenhorn-Phillips 3 0 27,972Niobrara, Greenhorn 2 0 10,706Bowdoin, Phillips 94 0 326,712Phillips, Martin 1 0 867Phillips, Niobrara 4 0 29,138Bowdoin, Niobrara 10 0 44,514Bowdoin, Phillips, Niobrara 23 0 190,809

2012 Production: 0 1,274,750

640-acre spacing units with 2 wells per formation (Order 79-82 and 12-89). 4 

no closer than 660' to section boundaries, 1,320' between wells producing frgeologic and topographic reasons (Order 13-89). Pilot infill drilling program 

up to 8 wells per spacing unit, inter-well distance reduced to 990' (Order 15-9

Greenhorn and Phillips (Order 26-98).

Loring, East Post-1986 Gas P

Bowdoin 11 0 37,901Greenhorn 1 0 3,740Judith River 1 0 1,800Phillips 8 0 9,165Bowdoin, Greenhorn, Phillips, Niobrara 14 0 68,287Bowdoin, Greenhorn, Niobrara 4 0 25,220Niobrara, Greenhorn, Phillips 6 0 43,519Bowdoin, Greenhorn 3 0 26,062Bowdoin, Martin 1 0 1,014Bowdoin, Greenhorn, Phillips 34 0 134,687Eagle, Niobrara, Greenhorn 1 0 3,827Greenhorn-Phillips 3 0 8,896Bowdoin, Phillips 35 0 151,609Bowdoin, Phillips, Niobrara 4 0 39,448

2012 Production: 0 555,175

160-acre spacing units; where discrete gas formations (Bowdoin, Greenhorn 

drilled to each formation and may be located no closer than 660' from the sp640-acre spacing for lands under communitization agreements prior to field d

authorization to commingle (Order 39-97). Enlargement (Order 280-04).

Loring, West Post-1986 Gas P

Bowdoin 6 0 23,085Phillips 1 0 2,127Bowdoin, Martin 1 0 5,122Bowdoin, Greenhorn, Phillips 1 0 3,628Bowdoin, Phillips 5 0 16,341

2012 Production: 0 50,303

Spacing units comprised of 1 full section with 4 wells permitted to each form

closer than 660' to the exterior boundary of the section and no closer than 1,

(Order 7-87). Field enlargement, commingling (Order 27-98).

Lost Creek Cumulative Oil Production (Bbls): 1,534

Statewide.

16 - 33
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Lowell Cumulative Oil Production (Bbls): 907,971 Post-1986 Gas P

Mission Canyon 3 25,339 5,257Red River 1 3,579 0

2012 Production: 28,918 5,257

320-acre Red River spacing units consisting of two contiguous governmentaeither one or two governmental sections; wells to be located no closer than 6

1,650' to well producing from the same horizon (Order 104-79). Permanent (Order 165-02).

Lowell, South Cumulative Oil Production (Bbls): 281,680 Post-1986 Gas P

Red River 1 2,186 960

2012 Production: 2,186 960

Single Red River Formation spacing unit (Order 29-98).

Lustre Cumulative Oil Production (Bbls): 7,210,942 Post-1986 Gas P

Charles 22 58,035 0Madison 2 8,003 0Mission Canyon 3 5,587 0Ratcliffe 5 14,667 8,635

2012 Production: 86,292 8,635

80-acre Madison spacing units consisting of 1/2 of a regular governmental q

or N 1/2 and S 1/2; well to be located in either NE 1/4 or SW 1/4 of each qua19-83). Field enlargement (Order 43-84). Field Reduction (Order 43-96). M

30N-44E-3: N2 (Order 6-01).

Lustre, North Cumulative Oil Production (Bbls): 190,767 Post-1986 Gas P

80-acre spacing units for Madison Group Formations consisting of E 1/2 or W section; wells located no closer than 660' to spacing unit boundary with 200' 

(Order 39-84).

Mackay Dome Cumulative Oil Production (Bbls): 230,720 Post-1986 Gas P

Greybull 4 48,837 16,453

2012 Production: 48,837 16,453

Statewide.

Malcolm Creek Cumulative Oil Production (Bbls): 11,450

Statewide.

Marias River Post-1986 Gas P

Bow Island 12 0 8,882

2012 Production: 0 8,882

One well per section per horizon above the top of the Kootenai (Order 18-78wells per zone in each spacing unit located no closer than 1,320' to each oth

unit boundaries (Order 26-90).

Martin Lake Post-1986 Gas P

Bowdoin 5 0 22,241Phillips 2 0 171Bowdoin, Phillips 1 0 6,847

2012 Production: 0 29,259

Martin Lake Federal Unit area; statewide.

Mason Lake Cumulative Oil Production (Bbls): 1,018,126

80-acre First Cat Creek Sand spacing units consisting of one half of a quarte

north-south direction; well location in center of the NE and SW quarter-quart75' topographic tolerance (Order 35-78). Amend Order 35-78 for certain lots 78). Field enlargement (Order 16-79). Pilot enhanced recovery approved (OLake (1st Cat Creek) Unit approved (Order 80-96).

Mason Lake North Cumulative Oil Production (Bbls): 17,923

Statewide.

16 - 34
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

McCabe Cumulative Oil Production (Bbls): 333,081 Post-1986 Gas P

Ratcliffe 1 4,422 2,331

2012 Production: 4,422 2,331

160-acre spacing units for Madison group; permitted wells no closer than 6680, 43-79). 150' topographic tolerance (Order 3-81). Amended to eliminate wells producing from the Madison group (Order 37-81).

McCabe, East Cumulative Oil Production (Bbls): 223,468 Post-1986 Gas P

Red River 1 7,437 255

2012 Production: 7,437 255

Statewide.

McCabe, South Cumulative Oil Production (Bbls): 6,599

Single 320-acre spacing unit for production from Nisku and Red River Fms. 

McCabe, West Cumulative Oil Production (Bbls): 69,988 Post-1986 Gas P

Single 320-acre spacing unit for production from Red River Fm. (Order 49-84

McCoy Creek Cumulative Oil Production (Bbls): 130,581 Post-1986 Gas P

Red River 2 6,298 2,628

2012 Production: 6,298 2,628

Statewide.

Meander Cumulative Oil Production (Bbls): 8,873

40-acre spacing units for Sunburst with wells not closer than 330' to spacing 

Medicine Lake Cumulative Oil Production (Bbls): 4,368,489 Post-1986 Gas P

Duperow 1 2,410 2,035Gunton 1 3,011 3,712Red River 2 19,292 12,606

2012 Production: 24,713 18,353

Delineated for formations from the base of the Winnipeg to the base of the L

units comprised of any two contiguous governmental quarter sections in eithwells no closer than 660' to unit boundary nor closer than 1,650' to any well p

(Order 50-79). Additional Red River 'C' well, S/2 Sec. 22, T32N, R56E (Orde

Medicine Lake, South Cumulative Oil Production (Bbls): 240,363 Post-1986 Gas P

Red River 1 2,978 528

2012 Production: 2,978 528

Two designated 320-acre spacing units for Red River Formation production 

Melstone Cumulative Oil Production (Bbls): 3,392,968

Tyler 2 2,300 0

2012 Production: 2,300 0

Statewide.

Melstone, North Cumulative Oil Production (Bbls): 848,717 Post-1986 Gas P

Tyler 5 12,710 6,737

2012 Production: 12,710 6,737

Waterflood unit approved (Order 125-82). Polymer-augmented tertiary recov

Certification as expanded enhanced recovery unit (Order 89-94).

Midby Cumulative Oil Production (Bbls): 70,172

Delineated for production from the Red River Fm. with 160-acre designated 

spacing unit boundaries (Order 24-81).

Middle Butte Post-1986 Gas P

Second White Specks 1 0 1,204Blackleaf 1 0 10,246Bow Island 4 0 19,225

2012 Production: 0 30,675

Orders 3-60, 21-75 amended to delineate field extension and 320-acre spac

the E 1/2 and W 1/2 of each section; well location no closer than 990' to the 

boundary (Order 47-77). Enlarge (Order 25-93).

16 - 35
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Midfork Cumulative Oil Production (Bbls): 1,090,885 Post-1986 Gas P

Charles 6 18,828 0Lodgepole 1 177 0Nisku 3 15,582 0

2012 Production: 34,587 0

Statewide. Also a single 80-acre Charles Formation spacing unit (Order 46-horizontal well; 30N-45E-16: N2 (Order 5-01).

Milk River Post-1986 Gas P

Phillips 13 0 29,669Bowdoin, Phillips 2 0 1,872

2012 Production: 0 31,541

Single 160-acre spacing unit for Phillips gas production (Order 12-98).

Mineral Bench Cumulative Oil Production (Bbls): 186,656

Statewide.

Miners Coulee Cumulative Oil Production (Bbls): 516,703 Post-1986 Gas P

Blackleaf 1 0 2,860Bow Island 9 0 23,520Sunburst 7 18,184 9,588Sawtooth 1 0 80,846Sawtooth, Madison 1 0 2,549

2012 Production: 18,184 119,363

Oil: 40-acre units Sunburst/Swift consisting of quarter-quarter sections; well property line and 660' to any other well (Order 9-66). Order 9-66 amended to acre spacing units for horizons above Rierdon; wells to be located 990' from Sawtooth gas spacing unit (Order 43-76). Field redelineation/enlargement (O

Missouri Breaks Cumulative Oil Production (Bbls): 437,188 Post-1986 Gas P

320-acre Red River spacing units as specified by Order 97-82. Creation of 3

from Charles, Mission Canyon, and Nisku Formations (Order 8-95).

Mon Dak, West Cumulative Oil Production (Bbls): 13,830,580 Post-1986 Gas P

Madison 6 30,162 15,039Mission Canyon 6 17,567 24,007Duperow 1 11,397 8,517Red River 2 63,944 81,325Stony Mountain 1 3,917 2,023Stonewall 1 9,382 6,986Madison, Ordovician 1 5,136 3,251Ratcliffe, Mission Canyon 2 3,205 0Red River, Stony Mountain 2 18,478 15,178

2012 Production: 163,188 156,326

320-acre spacing units for Silurian and Ordovician pools; Spacing units to coand W 1/2; 660' setback, 1,650' interwell in same pool (Order 42-77). 320-a

Salt and above the Devonian; either N-S or E-W of the section; 660' setback

23-77). Madison Formation delineation (Order 51-79, amended, Order 95-83Spacing unit for Bakken, Duperow, Stony Mountain, 22N-59E-1:S2 (Order 14

60E-17, S2, and 20, N2 (Order 195-03).

Mona Cumulative Oil Production (Bbls): 168,400 Post-1986 Gas P

Statewide.

Monarch Cumulative Oil Production (Bbls): 10,105,475 Post-1986 Gas P

Siluro-Ordovician 18 91,908 57,393Red River 8 42,797 1,429Red River, Interlake 1 750 0

2012 Production: 135,455 58,822

80-acre Madison spacing units consisting of E 1/2 and W 1/2 of quarter sectof quarter section; Location within 660' square at center of quarter section (OOrdovician spacing units consisting of a quarter section; well in center of SW topographic tolerance (Orders 12-59, 4-63). Spacing waived within Siluro-O

Spacing units for horizontal wells (Orders 81-94, 2-96, 3-96, 68-96, 103-97, 2204-02). Exception locations (Orders 102-01, 103-01).

16 - 36
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Mosser Dome Cumulative Oil Production (Bbls): 527,829

Greybull 3 787 0Mosser Sand 20 6,636 0

2012 Production: 7,423 0

Spacing waived. Future development requires administrative approval (Orde

Mt. Lilly Post-1986 Gas P

Bow Island 1 0 2,292Swift 1 0 27,616Bow Island, Dakota 1 0 6,376

2012 Production: 0 36,284

640-acre spacing for Madison; well location in center of any of the four quartsection; 250' topographic tolerance (Order 37-63).

Mud Creek

640-acre spacing units; wells located no closer than 1320' to section lines (Oproduction from two wells in Sec. 12, T6N, R17E (Order 49-92).

Musselshell Cumulative Oil Production (Bbls): 45,054

Statewide.

Mustang Cumulative Oil Production (Bbls): 1,382,565 Post-1986 Gas P

Ratcliffe 1 2,261 3,930Bakken 3 5,449 395Red River 1 7,989 3,954Ratcliffe, Mission Canyon 1 4,597 788

2012 Production: 20,296 9,067

NE/4 Sec. 33, T24N, R 57E approved as single-well spacing unit for Bakken spacing units, 23N-57E-3: All, -34: All, 2 horiz. wells authorized, 660' setback 

Neiser Creek Cumulative Oil Production (Bbls): 736,414 Post-1986 Gas P

Red River 2 7,770 3,135

2012 Production: 7,770 3,135

Single 160-acre Red River spacing unit (Order 78-82). Enlargement (Order 

commingling (Order 98-97).

Nielsen Coulee Cumulative Oil Production (Bbls): 272,248 Post-1986 Gas P

Mission Canyon 1 3,015 0

2012 Production: 3,015 0

Statewide. Second well in quarter section authorized (Order 37-93).

Ninemile Cumulative Oil Production (Bbls): 80,513 Post-1986 Gas P

Statewide.

Nohly Cumulative Oil Production (Bbls): 8,844,746 Post-1986 Gas P

Madison 6 31,779 41,839Mission Canyon 1 2,605 0Ratcliffe 2 4,311 5,080Nisku 1 2,010 2,736Red River 1 10,289 5,097Ratcliffe, Mission Canyon 4 25,529 11,771

2012 Production: 76,523 66,523

Single Red River spacing unit (Order 77-83). Field enlarged, 320-acre desig

54-84, 104-98). 160-acre Nisku spacing units, 660' setback, 150' topographic 

(Ratcliffe/Mission Canyon) delineation; 160-acre spacing units, 660' setback Canyon Field enlargement (Orders 6-94, 105-94). Enlargement, Red River (

spacing unit, 26N-59E-34: S/2 (Order 47-09).

Nohly, South Cumulative Oil Production (Bbls): 145,933 Post-1986 Gas P

Single designated 320-acre spacing unit (Order 35-83).

16 - 37
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

North Fork Cumulative Oil Production (Bbls): 683,883 Post-1986 Gas P

Madison 2 2,942 765Mission Canyon 1 2,889 0

2012 Production: 5,831 765

Statewide, plus single Madison spacing unit, N/2 Sec. 23, T24N, R59E, with 

O'Briens Coulee Post-1986 Gas P

Second White Specks 2 0 12,996Blackleaf 1 0 861Bow Island 7 0 40,873Spike Zone, Blackleaf Fm. 1 0 22,100Bow Island, Blackleaf 1 0 818

2012 Production: 0 77,648

Statewide.

Old Shelby Cumulative Oil Production (Bbls): 1,251 Post-1986 Gas P

Bow Island 8 0 22,723Sunburst 57 0 108,363Swift 31 0 70,748Bow Island, Sunburst, Swift 2 0 3,042Bow Island, Swift 2 0 8,906Swift, Sunburst 9 0 46,469

2012 Production: 0 260,251

320-acre spacing units to be comprised of either E 1/2, W 1/2, N 1/2, or S 1/

Dakota, and Sunburst gas; also delineated for Bow Island excluding T32N, R

Sections 14, 23, 26, and 35; two wells per spacing unit per gas producing hothan 660' to spacing unit boundaries or 1320' to another well producing from unit; wells drilled prior to April 1, 1953 exempted (Order 17-94 which supercenlargement (Orders 31-95, 95-02).

Olje Cumulative Oil Production (Bbls): 163,500 Post-1986 Gas P

Single 160-acre Red River spacing unit (Order 35-85).

Ollie Cumulative Oil Production (Bbls): 279,880 Post-1986 Gas P

320-acre specified spacing units for the Red River and Duperow formations wunit to be located no closer than 660' to the spacing unit boundary (Order 73

Otis Creek Cumulative Oil Production (Bbls): 959,919 Post-1986 Gas P

Ratcliffe 1 2,564 1,285

2012 Production: 2,564 1,285

Statewide.

Otis Creek, South Cumulative Oil Production (Bbls): 418,060 Post-1986 Gas P

Mission Canyon 1 6,325 1,735

2012 Production: 6,325 1,735

320-acre spacing units for Red River; locations no closer than 660' to unit bo

enlargement (Orders 56-76, 67-76). Amended, new spacing units to consist than 660' to spacing unit boundary or 1,650' to producing wells with 150' tole

spacing unit for Charles Formation (Order 9-95).

Otter Creek Cumulative Oil Production (Bbls): 28,492

Single 160-acre spacing unit for production from Winnipegosis and Red Rive

Outlet Cumulative Oil Production (Bbls): 6,384 Post-1986 Gas P

Delineated for production from the Madison Group; 160-acre spacing units w

660' to spacing unit boundaries (Order 11-94).

Outlook Cumulative Oil Production (Bbls): 9,618,781 Post-1986 Gas P

Nisku 5 22,942 27,536Winnipegosis 3 21,171 2,045Nisku, Bakken 1 5,513 0

2012 Production: 49,626 29,581

160-acre spacing units for Siluro-Devonian; well location in center of either S

section; 175' topographic tolerance (Order 19-59A).

16 - 38
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Outlook, South Cumulative Oil Production (Bbls): 693,151 Post-1986 Gas P

160-acre spacing for Siluro-Devonian; permitted wells in either SW 1/4 or NE 

topographic tolerance (Order 19-59A). Red River and Siluro-Devonian comm(Order 45-64).

Outlook, Southwest Cumulative Oil Production (Bbls): 155,477 Post-1986 Gas P

Red River 1 3 0

2012 Production: 3 0

Single 160-acre spacing unit for production from Red River Formation (Orde94).

Outlook, West Cumulative Oil Production (Bbls): 1,267,654 Post-1986 Gas P

Winnipegosis 1 28,659 0

2012 Production: 28,659 0

160-acre spacing units for Winnipegosis; permitted wells in 840' square in th

than 900' to quarter section boundaries (Order 7-67, amended, Order 26-67)

Oxbow Cumulative Oil Production (Bbls): 904,547 Post-1986 Gas P

Red River 2 17,318 16,598

2012 Production: 17,318 16,598

320-acre spacing units consisting of two contiguous governmental quarter se

governmental sections aligned at operator's option; location to be no closer tthan 1,650' to a well producing from same pool (formations below 11,000) (O

137-80).

Oxbow II Cumulative Oil Production (Bbls): 788,926 Post-1986 Gas P

Ratcliffe 1 1,495 735Nisku 1 7,225 8,199

2012 Production: 8,720 8,934

320-acre spacing units for Red River consisting of two contiguous quarter sewells located no closer than 660' to spacing unit boundaries (Order 50-84).

Palomino Cumulative Oil Production (Bbls): 3,799,245 Post-1986 Gas P

Nisku 7 49,101 859

2012 Production: 49,101 859

Statewide.

Park City Post-1986 Gas P

Statewide.

Pasture Creek Cumulative Oil Production (Bbls): 4,783

Statewide.

Pelican Cumulative Oil Production (Bbls): 191,494 Post-1986 Gas P

Field rules vacated (Order 81-97).

Pennel Cumulative Oil Production (Bbls): 122,760,474 Post-1986 Gas P

Mission Canyon 1 2,030 132Siluro-Ordovician 153 1,193,520 1,651,514Red River 1 9,306 0

2012 Production: 1,204,856 1,651,646

Field originally delineated with 80-acre spacing units consisting of E and W 1

center of SE 1/4 and NW 1/4 of quarter sections, 150' topographic tolerance on west side and 160-acre spacing units on east side of pool, wells to be loc

quarter section (80 acre spacing) and in SE 1/4 of each quarter section (160

61, 20-62, 4-63, 7-63). Spacing waived within unitized area (Order 24-68). Waterflood for Siluro-Ordovician (Order 24-68). Field reduction (Order 2-96)

boundary (Order 74-99). Pennel Unit certified as expanded enhanced recovproject (Order 39-02).

Pete Creek Cumulative Oil Production (Bbls): 23,343

Statewide.

16 - 39
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Phantom Cumulative Oil Production (Bbls): 43,585 Post-1986 Gas P

Sunburst 2 0 3,432

2012 Production: 0 3,432

Gas: Wells anywhere within the unit but no closer than 990' to the unit boungreater than 6,000' to be located no closer than 660' to the unit boundary; th

6,000' to be located no closer than 330' to the unit boundary; formations betw

(Order 48-77).

Phantom, West Post-1986 Gas P

Sunburst 2 0 16,211

2012 Production: 0 16,211

Delineated for Sunburst Sandstone gas production with one well per spacing exterior boundaries of the three designated spacing units (Order 65-78).

Pine Cumulative Oil Production (Bbls): 129,375,075 Post-1986 Gas P

Madison 1 999 0Siluro-Ordovician 116 869,132 256,698Red River 1 3,718 0

2012 Production: 873,849 256,698

Statewide spacing rules waived within the Pine Unit. 80-acre spacing units o1/4 and SE 1/4 of quarter section; 150' topographic tolerance (Order 37-62). area was started in 1959. A waterflood of the north area was approved in 19Brine and CO2 injection test (Order 70-83). Re-delineation (Order 16-97). 6wells (Order 23-98). North Pine and South Pine Units certified as expanded 

11-01, 13-01).

Pine Gas Post-1986 Gas P

Eagle 32 0 205,551Judith River 17 0 42,813

2012 Production: 0 248,364

160-acre spacing units for production of gas from top of the Judith River to to

than 660' to spacing unit boundaries with 460' topographic tolerance (Order 698, 47-99, 48-99, 36-00, 37-00, 124-01).

Pine, East Cumulative Oil Production (Bbls): 19,349

Statewide.

Pipeline Cumulative Oil Production (Bbls): 16,424 Post-1986 Gas P

Statewide.

Plentywood Cumulative Oil Production (Bbls): 22,830

Statewide.

Plevna Post-1986 Gas P

Eagle 2 0 15,568

2012 Production: 0 15,568

Delineated for Judith River and Eagle gas production, 1200' setback from quon same lease, 75' topographic tolerance (Order 34-54). Redelineation (Ord

Plevna, South Post-1986 Gas P

Eagle 8 0 31,430

2012 Production: 0 31,430

Delineated for Eagle gas production; 160-acre quarter section spacing units, tolerance (Order 77-00).

Pole Creek Cumulative Oil Production (Bbls): 169,726

Statewide.

Police Coulee Cumulative Oil Production (Bbls): 14 Post-1986 Gas P

Bow Island 11 0 38,869

2012 Production: 0 38,869

320-acre spacing units for Bow Island Formation; location no closer than 990lines; spacing units to consist of N 1/2 or S 1/2, E 1/2 or W 1/2 at discretion enlargements (Orders 24-77, 20-79, and 46-79).

16 - 40
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Pondera Cumulative Oil Production (Bbls): 29,714,026 Post-1986 Gas P

Madison 257 154,850 1Sun River Dolomite 10 4,395 0

2012 Production: 159,245 1

Delineated for production from Ellis/Madison contact; Oil: 220' from legal sureservoir on same lease; 75' topographic tolerance (Order 2-54). Porter Ben

subdivision line; 650' from other wells in same reservoir on same lease or un54). Gas: Wells no closer than 1,320' from any quarter section line, nor 3,7on the same lease or unit (Order 9-54 corrected). Designate six 160-acre spthan 660' from unit boundaries (Order 26-83).

Pondera Coulee Cumulative Oil Production (Bbls): 149,567

Madison 3 7,319 0Sun River Dolomite 5 1,380 0

2012 Production: 8,699 0

330' from legal subdivision lines or upon a 10-acre spacing pattern; 75' topog

Poplar, East Cumulative Oil Production (Bbls): 47,638,876

Amsden 2 9,341 0Heath 2 5,429 0Charles 5 9,119 0Madison 22 50,638 0

2012 Production: 74,527 0

Field delineation (Order 7-55). Redelineation (Order 25-76). Horizontal well restrictions for horizontal wells (Order 67-93). Unitized (Order 7-55). Remov

except for non-committed lands (Order 69-96).

Poplar, Northwest Cumulative Oil Production (Bbls): 5,193,143 Post-1986 Gas P

Charles 17 51,551 6,307Madison 1 1,198 0

2012 Production: 52,749 6,307

80-acre spacing units, E 1/2 and W 1/2 of each quarter section; wells in the 

quarter section with 75' tolerance for surface hazards and obstructions (Orde

units with well location in the center of the NW 1/4 or SE 1/4 of each quarter tolerance (Order 26-76). 80-acre spacing units to be N 1/2 and S 1/2 or E 1/

wells located in center of each NE 1/4 or SW 1/4 of each quarter section, 15(Orders 124-80, 83-83, 97-84 and 6-85). 80-acre spacing units for test wells to be N 1/2 and S 1/2 or E 1/2 and W 1/2 of each quarter section; wells in ce

quarter section, 150' tolerance for archeological reasons only (Order 161-81)

spacing units consisting of N 1/2 and S 1/2 of each quarter section; wells in quarter section with 150' topographic or geologic tolerance (Order 42-83).

Poplar, Southeast Cumulative Oil Production (Bbls): 162,546

Statewide.

Potter Post-1986 Gas P

Swift 1 0 821

2012 Production: 0 821

Single section delineated for production of gas from all formations between t

Rierdon Formation with one designated well (Order 8-93).

16 - 41
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Prairie Dell Cumulative Oil Production (Bbls): 1,767 Post-1986 Gas P

Bow Island 7 0 20,353Dakota 1 0 683Sunburst 17 0 47,003Swift 9 0 35,178Bow Island, Dakota, Sunburst 10 0 24,264Bow Island, Sunburst, Swift 13 0 65,784Bow Island, Dakota, Swift 7 0 27,480Bow Island, Dakota 10 0 18,201Bow Island, Dakota, Sunburst, Swift 18 0 42,910Bow Island, Sunburst 18 0 69,386Bow Island, Swift 11 0 44,737Bow Island, Dakota, Kootenai, Sunburst 1 0 16,052Bow Island, Dakota, Kootenai, Swift 1 0 2,176Dakota, Sunburst, Swift 1 0 3,278Sunburst, Dakota 3 0 4,527Swift, Sunburst 3 0 6,203

2012 Production: 0 428,215

320-acre spacing units for all horizons above the Rierdon, wells no closer th(Order 10-76). Field enlargement (Orders 28-78, 24-79, 132-80, 40-81, 54-821-95, 63-97, 49-98, 50-98). Two wells per spacing unit for a portion of the f1,320' to a producing well from the same zone and 660' to the spacing unit b48-92 and 51-92). Two 160-acre spacing units (Order 3-89). Two wells per 

00).

Prairie Dell, West Post-1986 Gas P

Swift 2 0 266Bow Island, Dakota, Swift 2 0 5,439Bow Island, Dakota 1 0 4,698Bow Island, Sunburst 1 0 2,444Bow Island, Swift 2 0 2,664Bow Island, Dakota, Kootenai, Sunburst 2 0 2,693

2012 Production: 0 18,204

640-acre spacing unit for Swift Formation with well no closer than 990' to spa

Include all horizons above the Rierdon Formation (Order 54-78). Field enlar

amended to allow 4 wells per spacing unit no closer than 1,320' to each othe

boundaries (Order 22-90).

Prairie Elk Cumulative Oil Production (Bbls): 105,036

Charles 1 206 0

2012 Production: 206 0

Statewide.

Prichard Creek Cumulative Oil Production (Bbls): 168,221 Post-1986 Gas P

Sunburst 1 122 0Swift 1 72 0

2012 Production: 194 0

Sunburst/Swift spacing rules waived with locations subject to administrative 

waterflood (Order 7-73).

Pronghorn Cumulative Oil Production (Bbls): 490,237 Post-1986 Gas P

160-acre spacing units for Red River; wells located no closer than 660' to ungeologic tolerance (Orders 75-84 and 110-84).

Pumpkin Creek Post-1986 Gas P

640-acre spacing units for production of gas from the Shannon/Eagle interva

boundaries (Order 10-71).

16 - 42
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Putnam Cumulative Oil Production (Bbls): 6,640,864 Post-1986 Gas P

Madison 1 1,773 0Mission Canyon 6 14,334 5,833Bakken 1 752 0Red River 2 15,024 11,586Stonewall 1 7,583 3,761Mission Canyon, Bakken 1 1,554 712

2012 Production: 41,020 21,892

Statewide, except for single spacing unit consisting of portions of Sections 1

from all formations between 6,000 to 11,000 feet (Orders 2-84, Order 11-85)

spacing unit, E/2 NE/4, Sec. 32 and W/2 NW/4, Sec. 33, T23N, R57E (Orde23N-57E-28: W2 (Order 23-01).

Rabbit Hills Cumulative Oil Production (Bbls): 3,535,972

Bowes Member 2 15,420 0Sawtooth 13 61,952 0

2012 Production: 77,372 0

Southwest Rabbit Hills: 160-acre Sawtooth Fm. spacing unit, NW/4, 34N-19

boundaries; four 40-acre spacing units, NE/4, 34N-19E-23, 330' setback from 93). Northeast Rabbit Hills: Single 160-acre Sawtooth Fm. spacing unit with 

330' setback from quarter quarter boundaries (Orders 33-76, 98-83). Pilot teportion of Northeast Rabbit Hills Field (Order 78-95). Rabbit Hills Unit appro

Rabbit Hills, South Cumulative Oil Production (Bbls): 321,638 

Bowes Member 2 2,316 1Sawtooth 2 9,314 0

2012 Production: 11,630 1

Statewide.

Ragged Point Cumulative Oil Production (Bbls): 3,813,007 Post-1986 Gas P

Tyler 1 753 0

2012 Production: 753 0

40-acre spacing units; 75' topographic tolerance (Order 8-59). Spacing waiv

well can be closer than 660' to unit boundary, Tyler "A" waterflood (Order 35enhanced recovery project effective 4/1/95 (Order 18-95).

Ragged Point, Southwest Cumulative Oil Production (Bbls): 707,119

Tyler 6 5,848 0

2012 Production: 5,848 0

Waterflood approval; drill and produce Tyler "A" Formation wells anywhere wto the unit boundaries (Order 83-82).

Rainbow Cumulative Oil Production (Bbls): 167,273 Post-1986 Gas P

Single 160-acre Red River spacing unit (Order 69-82).

Rapelje Post-1986 Gas P

Eagle 1 0 1,240Eagle, Claggett 1 0 994

2012 Production: 0 2,234

160-acre spacing for formations from surface to base of Telegraph Creek; wboundary; commingling with administrative approval (Order 29-73).

Rattler Butte Cumulative Oil Production (Bbls): 1,967,780 Post-1986 Gas P

Tyler 8 20,693 578

2012 Production: 20,693 578

Rattler Butte (Tyler "A") Unit approved (Order 39-92). East Rattler Butte (Ty

Rattler Butte, South Cumulative Oil Production (Bbls): 15,403

Statewide.

Rattlesnake Butte Cumulative Oil Production (Bbls): 756,860 Post-1986 Gas P

Cat Creek, First 3 3,637 4,380Cat Creek, Second 1 637 0Amsden 1 631 0

2012 Production: 4,905 4,380

Statewide.

16 - 43
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Rattlesnake Coulee Cumulative Oil Production (Bbls): 91,206 Post-1986 Gas P

Bakken 1 182 0

2012 Production: 182 0

Statewide.

Raymond Cumulative Oil Production (Bbls): 5,780,844 Post-1986 Gas P

Mission Canyon 1 85 0Nisku 2 1,777 0Red River 2 3,131 301Red River, Winnipegosis 1 1,279 0

2012 Production: 6,272 301

320-acre spacing units for Red River, Winnipegosis, Duperow, and Nisku forboundary (Order 38-72). Gas Storage (Order 50-78 and amended by Order 

with 40-acre spacing units, wells no closer than 330' to spacing unit boundarMississippian pool (Orders 31-80 and 128-80). Field reduction for Nisku poorules suspended for unit except for 660' setback distance from external unit bto inject Duperow gas into the Nisku Formation (Order 135-81).

Raymond, North Cumulative Oil Production (Bbls): 150,342 Post-1986 Gas P

Delineated with single Red River spacing unit (Order 94-82). Enlargement, d

Raymond, Northeast Cumulative Oil Production (Bbls): 120,687

Designated spacing units for production from Red River, Winnipegosis, and 

Reagan Cumulative Oil Production (Bbls): 10,774,852 Post-1986 Gas P

Blackleaf 1 0 2,433Madison 50 55,977 88,728Lodgepole 1 646 0

2012 Production: 56,623 91,161

Statewide. (Order 17-54) A pressure maintenance project utilizing gas injec27-72).

Red Bank Cumulative Oil Production (Bbls): 3,135,535 Post-1986 Gas P

Madison 3 10,067 218Ratcliffe 5 55,536 11,649

2012 Production: 65,603 11,867

Statewide.

Red Bank, South Cumulative Oil Production (Bbls): 387,759 Post-1986 Gas P

Statewide; two Ratcliffe/Mission Canyon wells per spacing unit in specific qu

Red Creek Cumulative Oil Production (Bbls): 7,320,160 Post-1986 Gas P

Cut Bank 8 7,124 0Sunburst 1 883 0Madison 6 7,618 0Cut Bank, Madison 21 21,335 0

2012 Production: 36,960 0

40-acre spacing units; wells in center of spacing unit with 75' topographic tolfor unitized portion (Orders 16-58, 31-64, 5-70). Field enlarged (Order 9-62)

Red Fox Cumulative Oil Production (Bbls): 380,137 Post-1986 Gas P

Field consists of one 160-acre spacing unit for Nisku production (Order 20-6

Red Rock Cumulative Oil Production (Bbls): 640 Post-1986 Gas P

Eagle 67 0 557,548Judith River 5 0 111,718Niobrara 16 0 92,839Sawtooth 1 640 0Eagle, Niobrara 1 0 5,021

2012 Production: 640 767,126

Eagle Spacing units consisting of the N 1/2 and S 1/2 of section with permitt

exterior section line nor closer than 660' to half section line (Order 89-79).

16 - 44
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Red Water Cumulative Oil Production (Bbls): 143,986 Post-1986 Gas P

Winnipegosis 1 504 816Red River 1 773 1,138

2012 Production: 1,277 1,954

Statewide.

Red Water Creek, South

Statewide.

Red Water, East Cumulative Oil Production (Bbls): 409,707 Post-1986 Gas P

Dawson Bay 1 2,295 0Red River 1 2,566 0

2012 Production: 4,861 0

320-acre spacing units for Red River Formation consisting of 2 contiguous q

closer than 660' to exterior boundaries of spacing unit (Order 31-83). CommWilliams 1-4 well (Order 148-00).

Redstone Cumulative Oil Production (Bbls): 497,278 Post-1986 Gas P

Bakken 1 211 536Winnipegosis 1 3,079 0

2012 Production: 3,290 536

160-acre spacing units for production from the Winnipegosis; wells no close

(Order 30-67).

Refuge Cumulative Oil Production (Bbls): 312,284 Post-1986 Gas P

Statewide.

Repeat Cumulative Oil Production (Bbls): 769,636 Post-1986 Gas P

Red River 1 23,685 0

2012 Production: 23,685 0

Statewide.

Reserve Cumulative Oil Production (Bbls): 2,290,036 Post-1986 Gas P

Red River 3 10,734 6,195

2012 Production: 10,734 6,195

Delineated for Red River, Silurian, and Winnipegosis production with 160-ac

1,320' square in center of quarter section; commingling of Red River and Inte

individual well basis (Orders 34-66, 27-67). Field reduction (Order 68-85, 10

spacing (Orders 11-96, 12-96, 66-96, 129-09).

Reserve II Cumulative Oil Production (Bbls): 229,182 Post-1986 Gas P

Interlake 1 634 0

2012 Production: 634 0

Single 160-acre spacing unit for Red River (Order 44-87). Single 160-acre s

and Gunton (Order 55-88).

Reserve, South Cumulative Oil Production (Bbls): 107,929 Post-1986 Gas P

Statewide, plus single spacing unit for Red River production (Order 33-86).

Richey Cumulative Oil Production (Bbls): 2,030,660

Statewide, original 80-acre spacing revoked (Order 11-73).

Richey, East Cumulative Oil Production (Bbls): 10,386

Statewide.

Richey, Southwest Cumulative Oil Production (Bbls): 1,903,189 Post-1986 Gas P

160-acre spacing units for production from Devonian, Silurian, and Ordovicia

boundary of spacing unit (Order 25-62). Waterflood project in the Interlake a

Richey, West Cumulative Oil Production (Bbls): 11,062

Statewide.

16 - 45
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Ridgelawn Cumulative Oil Production (Bbls): 9,205,730 Post-1986 Gas P

Madison 2 1,134 0Mission Canyon 4 11,676 3,171Ratcliffe 2 6,695 3,166Duperow 2 8,828 2,185Red River 6 38,773 168,038Ratcliffe, Mission Canyon 2 5,542 0

2012 Production: 72,648 176,560

160-acre Duperow spacing units; wells no closer than 660' to spacing unit bo(Order 18-89). Ridgelawn Duperow Unit approved (Orders 49-89, 55-89 and 

233-04).

Ridgelawn, North Cumulative Oil Production (Bbls): 487,398 Post-1986 Gas P

Madison 1 3,822 2,667Mission Canyon 1 5,561 864

2012 Production: 9,383 3,531

Single 640-acre spacing unit (Order 11-92).

Rip Rap Coulee Cumulative Oil Production (Bbls): 1,242,551 Post-1986 Gas P

Ratcliffe 5 24,174 13,202

2012 Production: 24,174 13,202

160-acre spacing units for Ratcliffe; wells located no closer than 660' from sptopographic and geologic tolerance (Order 93-84). Single spacing unit, Ratc

29-01).

River Bend Cumulative Oil Production (Bbls): 275,733 Post-1986 Gas P

Statewide.

Rocky Boy Area Post-1986 Gas P

Eagle 14 0 248,596

2012 Production: 0 248,596

Statewide.

Rocky Point Cumulative Oil Production (Bbls): 692,500 Post-1986 Gas P

Red River 1 8,865 4,742

2012 Production: 8,865 4,742

320-acre Red River spacing unit; wells no closer than 660' to exterior bounda

Roscoe Dome Cumulative Oil Production (Bbls): 17,032

Pryor Conglomerate 1 972 0

2012 Production: 972 0

Statewide. Steam injection into Greybull and Lakota formations (Order 40-8

Rosebud Cumulative Oil Production (Bbls): 611,772 Post-1986 Gas P

Tyler 3 2,384 0

2012 Production: 2,384 0

Statewide. Rosebud "Tyler B" waterflood unit approved (Order 30-91).

Rough Creek Cumulative Oil Production (Bbls): 3,599

aka Duncan Creek

Rough Ridge

Statewide.

Royals Cumulative Oil Production (Bbls): 408,627 Post-1986 Gas P

Dawson Bay 1 252 0

2012 Production: 252 0

Statewide.

Royals, South Cumulative Oil Production (Bbls): 3,082

Statewide.

16 - 46
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Rudyard Cumulative Oil Production (Bbls): 34,099 Post-1986 Gas P

Eagle 6 0 12,659Sawtooth 4 1,032 12,587

2012 Production: 1,032 25,246

640-acre spacing units for Sawtooth gas production; well location in center o

topographic tolerance (Order 2-58). Field reduction (Order 39-76). Two wel

spacing unit boundaries, 1320' between wells (Order 15-93). Rudyard (Eagl

for Eagle Formation, 2 wells per spacing unit located no closer than 330' to ifield boundaries (Order 33-94).

Runaway Cumulative Oil Production (Bbls): 4,532

Statewide.

Rush Mountain Cumulative Oil Production (Bbls): 1,092,554 Post-1986 Gas P

Ratcliffe 2 18,210 2,926Gunton 1 7,385 0

2012 Production: 25,595 2,926

Statewide. Commingling, Hoffelt #2 well (Order 17-85).

Sage Creek Post-1986 Gas P

Second White Specks 9 0 36,121Blackleaf 1 0 1,056Bow Island 1 0 6,639Second White Specks, Spike 1 0 759

2012 Production: 0 44,575

640-acre spacing for horizons above the Kootenai, one producing well per se

closer than 990' from section line (Order 38-77). Boundary amendment (Ord65-83 and 36-84).

Salt Lake Cumulative Oil Production (Bbls): 1,309,989 Post-1986 Gas P

Bakken 1 532 0Nisku 2 4,620 0Red River 1 6,368 0

2012 Production: 11,520 0

Four 160-acre spacing units for Red River Formation with production allocati89).

Salt Lake, West Cumulative Oil Production (Bbls): 379,973

Ratcliffe 1 7,969 0

2012 Production: 7,969 0

Single 160-acre spacing unit for Ratcliffe production (Order 47-92).

Sand Creek Cumulative Oil Production (Bbls): 2,413,338 Post-1986 Gas P

Charles 1 583 0

2012 Production: 583 0

80-acre spacing units for production from the Silurian and Ordovician consissections; wells to be located in the center of NW and SE 1/4 of each quarte

tolerance (Order 16-59). Commingling of Interlake and Red River production 

(Order 20-66).

Sandwich Post-1986 Gas P

320-acre spacing units for production of gas from Swift; wells to be located n

boundaries (Order 17-77).

Saturn Cumulative Oil Production (Bbls): 42,805 Post-1986 Gas P

Statewide.

Sawtooth Mountain Post-1986 Gas P

Eagle 82 0 1,142,804Judith River 8 0 26,996Judith River, Eagle 1 0 2,175

2012 Production: 0 1,171,975

640-acre spacing units for Eagle and Judith River formations, one well per se

than 990' from governmental section line (Order 45-76). One well per forma

wells no closer than 660' to quarter section lines and 990' to section lines (Osection for 3 additional sections (Ordered 62-89). Numerous well density, lo

16 - 47
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Scobey Cumulative Oil Production (Bbls): 3,916

Statewide.

Sears Coulee Post-1986 Gas P

Dakota 1 0 13,775Bow Island, Dakota 1 0 159

2012 Production: 0 13,934

Delineated for gas, surfact to top of Kootenai, 160-acre spacing units, NW/4 

Second Creek Cumulative Oil Production (Bbls): 1,463,266 Post-1986 Gas P

Duperow 1 3,109 760Red River, Duperow 1 11 15

2012 Production: 3,120 775

303.1-acre Red River spacing unit (Order 34-78). 160-acre Duperow spacin

specified (Order 119-80). Duperow spacing units combined into single spac

Second Guess Cumulative Oil Production (Bbls): 38,829

Madison 2 1,087 0

2012 Production: 1,087 0

40-acre spacing units for oil production from top 100' of Mississippian Madislocated no closer than 330' to the spacing unit boundaries with 75' for topogr

Sheepherder Cumulative Oil Production (Bbls): 76,942

Statewide.

Shelby Area

Statewide.

Shelby, East Post-1986 Gas P

Bow Island 1 0 5,089Burwash 1 0 391Sunburst 3 0 9,265

2012 Production: 0 14,745

640-acre spacing units for all formations from the surface to the top of the R

Enlarged, amended to allow 2 wells per spacing unit no closer than 990' to thto another well in the same section producing from the same horizon (Order production (Order 61-91).

Sherard Post-1986 Gas P

Eagle 15 0 95,940

2012 Production: 0 95,940

640-acre Eagle spacing units; 990' setback from section line (Order 1-74). 1Section 8, T25N, R17E; wells located no closer than 990' from section line, 677). Enlarged, well locations no closer than 660' from quarter section line in 

Eagle gas spacing units for Sections 19 and 30, T26N, R17E; wells no close

(Order 24-87).

Sherard, Area Post-1986 Gas P

Eagle 68 0 738,576Judith River 12 0 70,973Judith River, Eagle 9 0 59,936

2012 Production: 0 869,485

Statewide, numerous exceptions.

Short Creek Cumulative Oil Production (Bbls): 8,950

Single 640-acre Nisku spacing unit with 4 horizontal wells, 330' setback from 

Shotgun Creek Cumulative Oil Production (Bbls): 1,284,288 Post-1986 Gas P

Ratcliffe 9 28,757 19,960

2012 Production: 28,757 19,960

Statewide.

Shotgun Creek, North Cumulative Oil Production (Bbls): 100,054 Post-1986 Gas P

320-acre spacing units for Red River and Gunton production; wells located nboundaries and 1500' to another well producing from the same formation (O

16 - 48
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Sidney Cumulative Oil Production (Bbls): 3,738,678 Post-1986 Gas P

Madison 4 8,470 1,221Ratcliffe 2 3,324 824

2012 Production: 11,794 2,045

160-acre spacing units for Madison group with one well per spacing unit to b

boundary and no closer than 1,650' to well producing from the same formatio(Order 99-80).

Sidney, East Cumulative Oil Production (Bbls): 647,892 Post-1986 Gas P

Madison 1 240 0Mission Canyon 1 1,769 503

2012 Production: 2,009 503

Statewide.

Signal ButteSingletree Cumulative Oil Production (Bbls): 373,992 Post-1986 Gas P

Single spacing unit for production from Winnipegosis (Order 78-84).

Sioux Pass Cumulative Oil Production (Bbls): 6,110,804 Post-1986 Gas P

Interlake 3 11,492 6,772Putnam Member 1 4,594 3,024Red River 7 47,919 36,834Stonewall 3 22,028 15,475

2012 Production: 86,033 62,105

320-acre spacing units for Interlake and Red River consisting of two adjacen

north-south or east-west at operator's option; permitted well no closer than 6

spacing units for Mission Canyon with well no closer than 660' from unit bouRed River production authorized (Orders 10-75, 15-77). Amended field boun

(Order 89-81). Additional wells (Orders 82-96, 83-96). Additional Red River

96-01).

Sioux Pass, East Cumulative Oil Production (Bbls): 89,267 Post-1986 Gas P

Statewide.

Sioux Pass, Middle Cumulative Oil Production (Bbls): 1,938,913 Post-1986 Gas P

Red River 2 10,391 7,083

2012 Production: 10,391 7,083

320-acre spacing units for Red River Formation to consist of two contiguous 

operator's option; location to be no closer than 660' from exterior boundary o

well producing from same formation; commingling upon administrative appro

(Order 39-81).

Sioux Pass, North Cumulative Oil Production (Bbls): 6,482,941 Post-1986 Gas P

Madison 1 2,860 1,169Ratcliffe 2 8,583 4,845Nisku 3 43,533 21,260Red River 3 22,357 10,255Ratcliffe, Mission Canyon 1 2,346 949

2012 Production: 79,679 38,478

320-acre spacing units for Red River, Interlake, Winnipegosis, Nisku, Madisoboundary (Orders 12-75, 17-76, 8-79). Commingling approved (Order 17-7681). Field extensions (Orders 12-77, 13-79 and 48-81). Two 320-acre spaci74-82). Additional well, E2 26N-58E-7 (Order 30-97). Additional wells (Orderedesignation, allowance for horizontal wells (Order 105-00). 160-acre Ratcl157-02).

Sioux Pass, South Cumulative Oil Production (Bbls): 376,378 Post-1986 Gas P

Red River 2 2,001 0

2012 Production: 2,001 0

Statewide.

Sioux Pass, West Cumulative Oil Production (Bbls): 552,306 Post-1986 Gas P

Red River 3 23,819 10,927

2012 Production: 23,819 10,927

Designated 320-acre spacing units for Red River Formation (Orders 105-98, 

16 - 49
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Sixshooter Dome Post-1986 Gas P

Big Elk Sandstone 1 0 10,631Lakota 2 0 24,696Big Elk, Lakota 1 0 791

2012 Production: 0 36,118

160-acre spacing units for gas production at a depth from 969' to 1500'; well

boundary with 75' topographic tolerance (Order 18-92).

Smoke Creek Cumulative Oil Production (Bbls): 100,305

Statewide.

Snake Creek Cumulative Oil Production (Bbls): 146,387 Post-1986 Gas P

Winnipegosis 1 2,844 0Gunton 1 1,885 0Red River 1 1,884 0

2012 Production: 6,613 0

Designated 320-acre spacing unit for Gunton, Winnipegosis, Red River (Ord

Snoose Coulee Cumulative Oil Production (Bbls): 6,861 Post-1986 Gas P

Bow Island 11 0 27,708

2012 Production: 0 27,708

640-acre spacing units for Bow Island and shallower formations; wells no clo(Order 18-77). 320-acre Sunburst gas spacing unit approved (Order 58-88). two wells per section for formations above the Kootenai, 660' setback from s00).

Snow Coulee Post-1986 Gas P

Sunburst 1 0 372

2012 Production: 0 372

Two 320-acre spacing units for Sunburst gas production (Order 78-76).

Snowden Cumulative Oil Production (Bbls): 1,938

Statewide.

Snyder Cumulative Oil Production (Bbls): 477,620

10-acre spacing units with center 5-spot permitted; 150' topographic toleranc

Soap Creek Cumulative Oil Production (Bbls): 3,432,717

Tensleep 8 2,160 0Amsden 1 725 0Madison 18 21,869 0Madison, Amsden 5 7,673 0Tensleep, Amsden 1 1,465 0

2012 Production: 33,892 0

One well per 10-acre spacing unit per producing formation; well location in ctopographic tolerance. Delineation includes Madison, Amsden, and Tenslee

Soap Creek, East Cumulative Oil Production (Bbls): 280,866

Tensleep 3 4,246 0

2012 Production: 4,246 0

Statewide.

Soberup Coulee Post-1986 Gas P

320-acre 2nd Bow Island Sandstone spacing units, consisting of E 1/2 and W locations no closer than 660' to spacing unit boundaries (Order 25-79).

South Fork Cumulative Oil Production (Bbls): 1,284,236 Post-1986 Gas P

Mission Canyon 1 2,964 2,177Red River 1 7,092 5,655

2012 Production: 10,056 7,832

Statewide.

16 - 50
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Spring Coulee Post-1986 Gas P

Niobrara 1 0 829

2012 Production: 0 829

Statewide.

Spring Lake Cumulative Oil Production (Bbls): 1,939,467 Post-1986 Gas P

Bakken 2 5,310 0Dawson Bay 1 5,301 4,333Red River 1 6,739 9,263

2012 Production: 17,350 13,596

Delineated for Red River and Nisku formations with one well per 160-acre sp

within 840' square in center of spacing unit (Order 6-63). Field redelineation acre spacing unit for Bakken Formation production (Order 26-95). Bakken s

authorization for two horizontal wells (Order 128-00). Remove 25N-54E-36: S(Order 25-01).

Spring Lake, South Cumulative Oil Production (Bbls): 114,064 Post-1986 Gas P

Single designated Red River Fm. spacing unit (Order 81-81).

Spring Lake, West Cumulative Oil Production (Bbls): 103,401 Post-1986 Gas P

Bakken 1 1,094 1,613

2012 Production: 1,094 1,613

Single 160-acre Duperow spacing unit (Order 42-82).

St. Joe Road Cumulative Oil Production (Bbls): 202 Post-1986 Gas P

Eagle 7 0 88,181Judith River 3 0 67,175Niobrara 83 0 533,409Eagle, Niobrara 3 0 16,524Judith River, Niobrara 1 0 3,135

2012 Production: 0 708,424

Stampede Cumulative Oil Production (Bbls): 435,035 Post-1986 Gas P

Red River 1 7 0

2012 Production: 7 0

320-acre specified spacing units for the Red River Formation; 160-acre spacwith well location to be no closer than 660' from a spacing unit boundary line 

Stampede, North Cumulative Oil Production (Bbls): 4,566

Single Nisku Fm. spacing unit (Order 29-82).

Stensvad Cumulative Oil Production (Bbls): 10,519,756

Tyler 7 25,421 0

2012 Production: 25,421 0

40-acre spacing units; well location in center of spacing unit with 200' toleranbe drilled anywhere within waterflood unit boundary, no closer than 660' to uField enlarged (Order 22-59). Waterflood area enlarged (Order 9-67).

Strater

Delineated for production of gas from the Phillips, 160-acre spacing units, 66

Strawberry Creek Area Post-1986 Gas P

Bow Island 1 0 92Burwash 1 0 3,706

2012 Production: 0 3,798

Statewide.

Studhorse Cumulative Oil Production (Bbls): 226,459 Post-1986 Gas P

Tyler 2 2,087 0

2012 Production: 2,087 0

Statewide.

16 - 51
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Sumatra Cumulative Oil Production (Bbls): 47,171,888 Post-1986 Gas P

Amsden 2 1,572 0Tyler 40 83,196 0Heath 1 1,678 0

2012 Production: 86,446 0

40-acre spacing units; well located in center of unit with 75' tolerance (Order 75 and 16-72). Vacuum pumps permitted on certain wells (Orders 99-79 and 

(Orders 48-67, 6-69, 19-69, 23-69, 5-75, 21-78, and 43-80). Convert CSTSU

Unit to tertiary recovery projects (Orders 99-84, 100-84 and 29-85). Certifica23-95) and West Sumatra Unit (Order 68-95) as expanded enhanced recovewaterflood unit approved (Order 175-02).

Sumatra Gas

Statewide

Sundown Cumulative Oil Production (Bbls): 40,626

Single Red River Formation spacing unit (Order 11-97).

Sunny Hill Cumulative Oil Production (Bbls): 273,589

320-acre Red River & Duperow spacing units; wells no closer than 660' to ex

closer than 1,650' to any well producing from same formation. 160-acre Mad

than 660' to section or quarter section lines (Order 39-78). Field reduction (O

Sunny Hill, West Cumulative Oil Production (Bbls): 194,871 Post-1986 Gas P

Single 320-acre spacing unit consisting of S/2, Sec. 14, T31N, R57E (Order 

Swanson Creek Post-1986 Gas P

Phillips 67 0 149,360Greenhorn-Phillips 5 0 6,060Bowdoin, Phillips 1 0 2,621

2012 Production: 0 158,041

320-acre spacing units (Order 36-75), amended to enlarge field and provide 

or east-west with permitted wells to be no closer than 990' to section or quar

enlargement (Orders 32-78, 92-79, 66-80 and 55-81). Previous orders ameneach existing 320-acre spacing unit, no more than one well per quarter secti

quarter section boundaries (Order 28-82).

Sweetgrass Post-1986 Gas P

Single Sunburst gas spacing unit (Order 121-82).

Target Cumulative Oil Production (Bbls): 1,847,102 Post-1986 Gas P

Ratcliffe 5 16,559 736Duperow 2 18,168 8,449Nisku 1 4,326 1,838

2012 Production: 39,053 11,023

Single spacing unit for Mission Canyon/Ratcliffe formations (Order 18-82). F160-acre spacing units with permitted well locations to be no closer than 660for topographic reasons (Order 35-82). Field enlargement (Order 23-84). Ra(Order 83-00). Enlargement and spacing (Order 116-01).

Thirty Mile Cumulative Oil Production (Bbls): 17,600 Post-1986 Gas P

Eagle 6 0 24,662Sawtooth 2 63 0

2012 Production: 63 24,662

Statewide.

Three Buttes Cumulative Oil Production (Bbls): 778,129 Post-1986 Gas P

Bakken 1 2,264 0Red River 1 9,277 7,387

2012 Production: 11,541 7,387

160-acre spacing units for Madison Group formations, wells no closer than 6

(Order 11-81). Red River and Bakken Fm. delineation, SW/4 23N-57E-19 (O

Three Mile Post-1986 Gas P

Eagle 2 0 27,381

2012 Production: 0 27,381

Statewide.

16 - 52
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Tiber Post-1986 Gas P

Bow Island 2 0 1,986

2012 Production: 0 1,986

Two wells per each gas producing horizon from the surface down to and inclsection; 990' setbacks and 1,320' between wells in each section (Orders 143

enlargement (Orders 116-01, 117-01).

Tiber, East Post-1986 Gas P

Bow Island 12 0 29,570

2012 Production: 0 29,570

Two wells from same Bow Island horizon per section located no closer than other (Orders 21-84 and 28-85). Field enlargement (Order 17-01).

Tiger Ridge Post-1986 Gas P

Eagle 565 0 5,781,828Judith River 17 0 41,687Judith River, Eagle 4 0 54,520

2012 Production: 0 5,878,035

Field delineation and redelineations (Orders 17-67, 23-68, 10-70, 13-75, 46-791). Statewide spacing for area not unitized. Numerous well density, locatio

Tiger Ridge, North Post-1986 Gas P

160-acre spacing units; one well per horizon per spacing unit from the Virgel

no closer than 990' to the section line nor closer than 660' to the interior qua

Timber Creek Post-1986 Gas P

320-acre Sunburst Sandstone spacing units consisting of two contiguous qusouth or east west; locations no closer than 660' to internal spacing unit bou

(Order 24-75).

Timber Creek, West Post-1986 Gas P

Sunburst 1 0 823

2012 Production: 0 823

Single 640-acre spacing unit for Sunburst Sandstone production, Sec. 6, T35

Tinder Box Cumulative Oil Production (Bbls): 144,448 Post-1986 Gas P

Tyler 3 4,772 0

2012 Production: 4,772 0

Statewide.

Tippy Buttes Cumulative Oil Production (Bbls): 126,246 Post-1986 Gas P

Statewide. Water injection into lower Tyler Formation (Order 57-82).

Toluca Post-1986 Gas P

Belle Fourche 41 0 93,260Greenhorn 1 0 2,677Belle Fourche, Greenhorn 23 0 54,248

2012 Production: 0 150,185

Delineated for production of gas from the surface through the Frontier Fm. w

setback from spacing unit boundaries (Order 28-83). Field enlargement (Ord

Trail Creek Post-1986 Gas P

Bow Island 5 0 20,674Sunburst 2 0 8,327Swift, Sunburst 1 0 9,781

2012 Production: 0 38,782

One well per 320-acres consisting of S 1/2 and N 1/2 of each governmental 

spacing boundary (Orders 33-70, 28-76). Field enlargements (Order 135-80

Tule Creek Cumulative Oil Production (Bbls): 8,555,533 Post-1986 Gas P

Nisku 2 3,877 3,301

2012 Production: 3,877 3,301

160-acre spacing units with permitted well anywhere within 1,320' square in 11-67, 5-77, 52-86).

16 - 53
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Tule Creek, East Cumulative Oil Production (Bbls): 2,056,293 Post-1986 Gas P

160-acre Nisku spacing units for Devonian Nisku with permitted well anywheeach unit (Orders 40-64, 6-65, 4-86).

Tule Creek, South Cumulative Oil Production (Bbls): 1,093,234

Nisku 1 3,908 0

2012 Production: 3,908 0

160-acre Nisku spacing units with permitted well anywhere within a 1,320' sq

64, 6-65).

Two Forks

Statewide.

Two Medicine Creek Cumulative Oil Production (Bbls): 10,249

Statewide.

Two Waters Cumulative Oil Production (Bbls): 442,878 Post-1986 Gas P

Red River 1 6,442 4,680

2012 Production: 6,442 4,680

Statewide.

Utopia Cumulative Oil Production (Bbls): 1,048,220 Post-1986 Gas P

Bow Island 4 0 21,280Swift 19 15,256 8,481Sawtooth 2 0 91,677

2012 Production: 15,256 121,438

640-acre spacing units for formations between top of Kootenai and top of Gr990' to any section line (Order 13-80). 40-acre spacing units for Swift Formaquarter section with 100' topographic tolerance (Order 9-78). Spacing units s

quarter section located no closer than 330' to the section boundary (Order 9638-89, 33-90). Certification as expanded enhanced recovery project effectiv

Valier Post-1986 Gas P

320-acre spacing units for production of gas from all formations from the top 

surface; one well per spacing unit per formation, wells no closer than 660' to 

field boundaries (Order 15-91).

Vandalia Post-1986 Gas P

Bowdoin 8 0 19,966Eagle 1 0 1,426

2012 Production: 0 21,392

160-acre spacing units; where discrete gas formations (Bowdoin, Greenhorn

drilled to each formation; wells to be located no closer than 660' to the spaci

Vaux Cumulative Oil Production (Bbls): 6,179,524 Post-1986 Gas P

Madison 2 2,940 1,077Mission Canyon 5 13,933 7,035Silurian Undifferentiated 1 1,584 564Red River 1 2,894 1,694Madison, Bakken 1 5,083 3,549Mission Canyon, Bakken 2 10,056 8,600Ratcliffe, Mission Canyon 1 3,910 727Stonewall, Red River 1 9,782 7,581

2012 Production: 50,182 30,827

Single spacing unit with commingling approved for Madison group (Order 63Mississippian Bakken Formation (Order 20-86). Single 160-acre spacing un

(Orders 25-87, 10-00).

Vida Cumulative Oil Production (Bbls): 264,988

Interlake, 160-acre spacing units with wells located in an 840' square in the cunit boundaries (Order 39-63). Field reduction (Order 79-76).

Viking Cumulative Oil Production (Bbls): 160

Field delineation vacated (Order 8-84).

16 - 54
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Volt Cumulative Oil Production (Bbls): 4,765,471 Post-1986 Gas P

Nisku 4 62,042 1,139

2012 Production: 62,042 1,139

160-acre Nisku spacing units with permitted well anywhere within a 1,320' sq

64, 6-65, 32-65).

Waddle Creek Post-1986 Gas P

Anderson, Canyon, Cook 1 0 24,834

2012 Production: 0 24,834

80-acre spacing units, 220' setback, for coals within the Fort Union Fm. (Ord

Wagon Box Cumulative Oil Production (Bbls): 32,412

Statewide.

Wagon Trail Cumulative Oil Production (Bbls): 43,321

Single 320-acre designated spacing unit (Order 2-83).

Wakea Cumulative Oil Production (Bbls): 3,305,862 Post-1986 Gas P

Nisku 2 2,211 37Red River 2 12,192 6,498Red River, Winnipegosis 1 1,917 0

2012 Production: 16,320 6,535

Two 320-acre spacing units (Order 84-83). Field enlarged; wells located no 

boundaries. Delineation includes Red River, Nisku, Duperow, Winnipegosis

(Order 34-84). Commingling of production from Nisku and Duperow Format

Waterhole Creek Cumulative Oil Production (Bbls): 2,285,315 Post-1986 Gas P

Red River 7 111,033 87,968

2012 Production: 111,033 87,968

Delineation for production of oil from horizontal Red River Formation wells; s97).

Weed Creek Cumulative Oil Production (Bbls): 665,588 Post-1986 Gas P

Amsden 1 1,603 0

2012 Production: 1,603 0

Statewide.

Weldon Cumulative Oil Production (Bbls): 7,050,531

Delineated for production of oil from Kibbey Fm.; 80-acre spacing units, loca

quarter quarter with 200' topo. tolerance (Order 9-65). Spacing exceptions (O

West Butte Cumulative Oil Production (Bbls): 345,471 Post-1986 Gas P

Bow Island 3 0 15,927Sunburst 2 253 204

2012 Production: 253 16,131

Sawtooth-Madison gas commingled, unitized; no well closer than 330' to unit 

West Butte Shallow Gas Post-1986 Gas P

Bow Island 2 0 4,957

2012 Production: 0 4,957

160-acre spacing units; with one well permitted for each gas producing formawithin each 160-acre spacing unit; well locations not closer than 990' to spac

West Fork Cumulative Oil Production (Bbls): 6,671

Statewide.

Weygand Cumulative Oil Production (Bbls): 285,522 Post-1986 Gas P

Eagle 2 0 15,123Sawtooth 3 6,278 0

2012 Production: 6,278 15,123

Statewide.

White Bear Post-1986 Gas P

Eagle 8 0 5,032

2012 Production: 0 5,032

Designated spacing units for production of gas from the Eagle Formation.

16 - 55
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Whitewater Post-1986 Gas P

Niobrara 9 0 13,596Phillips 133 0 423,700Bowdoin, Greenhorn, Phillips, Niobrara 1 0 18,085Niobrara, Greenhorn, Phillips 13 0 70,186Bowdoin, Greenhorn 1 0 6,251Bowdoin, Greenhorn, Phillips 5 0 8,148Greenhorn-Phillips 2 0 9,676Bowdoin, Phillips 4 0 18,332Phillips, Niobrara 180 0 654,771Bowdoin, Niobrara 1 0 1,828Bowdoin, Phillips, Niobrara 11 0 56,864

2012 Production: 0 1,281,437

640-acre spacing units with 2 wells per formation (Orders 41-82 and 14-89). 

no closer than 660' to spacing unit boundaries, 1,320' between wells produci

tolerance for geologic or topographic reasons (Order 15-89). Pilot infill drillinfield with up to 8 wells per spacing unit with between-well distance reduced tdrilling program (Order 6-92). Niobrara included as delineated formation (Or

04).

Whitewater, East Post-1986 Gas P

Greenhorn 1 0 1,235Martin Sandstone 1 0 1,232Phillips 36 0 112,832Bowdoin, Greenhorn, Phillips, Niobrara 1 0 1,410Bowdoin, Martin 1 0 62Bowdoin, Greenhorn, Phillips 2 0 3,115Phillips, Niobrara 2 0 8,428Bowdoin, Phillips, Niobrara 2 0 11,087

2012 Production: 0 139,401

640-acre spacing units with two wells allowed per formation to be located an

closer than 990' to spacing unit boundary (Order 100-83). 4 wells per format1,320' to another well producing from the same formation with 150' tolerance 

(Order 65-89). Pilot infill drilling program in Section 31, T33N, R34E allowing 150' tolerance and 660' setbacks (Order 7-92). Field enlargement, comming

Whitlash Cumulative Oil Production (Bbls): 6,246,419 Post-1986 Gas P

Bow Island 33 500 259,601Dakota 3 0 15,038Sunburst 2 0 19,179Spike Zone, Blackleaf Fm. 1 0 13,095Swift 40 58,105 54,826Bow Island, Dakota 4 77 18,305Bow Island, Dakota, Kootenai 1 0 6,764Bow Island, Blackleaf 1 0 9,297Bow Island, Sunburst 1 0 24,548Bow Island, Swift 2 0 37,944Spike, Bow Island, Sunburst 1 0 10,345Swift, Sunburst 26 51,268 35,973

2012 Production: 109,950 504,915

Gas: 330' from legal subdivision line and 2,400' between wells, 75' topograp

subdivision line and 650' between wells; 5-spot location at center of 40-acre 16-54, 27-70). Include S 1/2 of Section 30, T37N, R4E. SW 1/4 of 30 is 1 slocation no closer than 990' from spacing unit boundary (Order 45-81). Whit

(Order 6-99). Whitlash East (State) Swift Sand Unit (Order 7-99). Whitlash 99).

Whitlash, West Cumulative Oil Production (Bbls): 158,257 Post-1986 Gas P

Sunburst 7 796 12,296Swift, Sunburst 5 1,782 1,773

2012 Production: 2,578 14,069

Gas: 160-acre spacing units consisting of quarter sections; well location anyspacing unit. Oil: 330' from legal subdivision line, 650' between wells in samlocation permitted (Orders 61-62, 22-65). Amendment (Order 48-77). Field 

16 - 56
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Wibaux Cumulative Oil Production (Bbls): 23,580

Statewide.

Wild Horse Post-1986 Gas P

Statewide.

Wildcat Glacier Cumulative Oil Production (Bbls): 94,010 Post-1986 Gas P

Cone Calcareous Member 3 11,957 8,032Sun River Dolomite 2 1,374 16,585Bakken 7 11,280 118,907

2012 Production: 24,611 143,524

Wildcat Musselshell Cumulative Oil Production (Bbls): 4,420

Heath 1 3,349 0

2012 Production: 3,349 0

Wildcat Petroleum Cumulative Oil Production (Bbls): 5,527

Heath 7 3,049 0

2012 Production: 3,049 0

Wildcat Rosebud, N Cumulative Oil Production (Bbls): 62,149 Post-1986 Gas P

Heath 6 60,562 6,143

2012 Production: 60,562 6,143

Williams Post-1986 Gas P

Bow Island 18 0 53,197

2012 Production: 0 53,197

640-acre spacing unit; well to be located no closer than 990' to exterior boun

Kootenai (Order 49-79). Enlargement (Order 102-79, 11-83).

Willow Creek, North Cumulative Oil Production (Bbls): 462,853

Tyler 3 2,215 0

2012 Production: 2,215 0

Statewide. Pilot waterflood (Order 19-72).

Willow Ridge Cumulative Oil Production (Bbls): 76,370 Post-1986 Gas P

Bow Island 6 0 9,795Burwash 2 733 0

2012 Production: 733 9,795

640-acre spacing units, 990' setback from spacing unit boundary for gas pro

surface to the top of the Kootenai (Order 29-78). 40-acre spacing units for oin each spacing unit to be located in the center of each 10 acre quarter-quarcenter of each 40-acre subdivision, 75' topographic tolerance (Order 30-78). 

88-97).

Willow Ridge, South Cumulative Oil Production (Bbls): 3,617 Post-1986 Gas P

Sunburst 2 31 81,353Bow Island, Sunburst 1 0 2,643

2012 Production: 31 83,996

Statewide.

Willow Ridge, West Post-1986 Gas P

Bow Island 1 0 9

2012 Production: 0 9

Delineated for gas production from the 4th Bow Island sand; 640-acre spaci

than 990' to spacing unit boundaries (Order 3-88).

Wills Creek, South Cumulative Oil Production (Bbls): 2,234,959 Post-1986 Gas P

Siluro-Ordovician 3 35,733 6,724

2012 Production: 35,733 6,724

160-acre spacing units for Siluro-Ordovician; well location in center of SE 1/4 

tolerance (Orders 5-64, 30-66). Waterflood initiated 12-1-73 (Order 23-73). 

single 640-acre spacing unit for up to 4 horizontal or vertical wells (Order 4-9

16 - 57
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Windmill Cumulative Oil Production (Bbls): 31,943 Post-1986 Gas P

Statewide.

Windy Ridge Cumulative Oil Production (Bbls): 1,925,557 Post-1986 Gas P

Red River 14 212,720 212,330

2012 Production: 212,720 212,330

Delineated for production of oil from horizontal Red River Formation wells; sp

97). Redelineated (Order 130-00).

Winnett Junction Cumulative Oil Production (Bbls): 1,187,699

Tyler 1 6,169 0

2012 Production: 6,169 0

20-acre spacing units consisting of W 1/2 and E 1/2 of quarter-quarter sectio

of a spacing unit (Order 57-76). Certain lands vacated (Order 41-77). A wat1, 1977 into Tyler Formation (Order 41-77).

Wolf Creek Cumulative Oil Production (Bbls): 1,979

Statewide.

Wolf Springs Cumulative Oil Production (Bbls): 4,945,862 Post-1986 Gas P

Amsden 2 2,988 0

2012 Production: 2,988 0

80-acre Amsden spacing units consisting of N 1/2 and S 1/2 of each quarter 1/4 and SE 1/4 of each quarter section with 75' topographic tolerance (Order

(Orders 92-76 and 5-90).

Wolf Springs, South Cumulative Oil Production (Bbls): 928,784

Amsden 1 389 0

2012 Production: 389 0

80-acre spacing units for Amsden comprised of W 1/2 or E 1/2 of quarter seSE 1/4 of quarter section with 150' topographic tolerance (Order 57-84). FieWolf Springs Amsden Unit (Order 23-92). Expanded enhanced recovery uni

Womans Pocket Cumulative Oil Production (Bbls): 3,526

Statewide

Woodrow Cumulative Oil Production (Bbls): 1,542,300 Post-1986 Gas P

Charles 1 3,831 169Silurian Undifferentiated 1 6,182 430

2012 Production: 10,013 599

80-acre spacing units consisting of any two adjacent quarter-quarter sectionsSW 1/4 of each quarter section with 200' topographic tolerance (Order 47-62

(Orders 41-00, 42-00, 43-00).

Wrangler Cumulative Oil Production (Bbls): 886,947 Post-1986 Gas P

Gunton 1 4,215 0Red River 1 2,928 0

2012 Production: 7,143 0

320-acre spacing units for production from Red River Formation consisting o

R56E (Order 44-85).

Wrangler, North Cumulative Oil Production (Bbls): 224,170 Post-1986 Gas P

Red River 1 2,337 1,815

2012 Production: 2,337 1,815

Statewide.

Wright Creek Cumulative Oil Production (Bbls): 416,868 Post-1986 Gas P

Muddy 4 4,330 7,774

2012 Production: 4,330 7,774

80-acre spacing units for Muddy Sandstone production consisting of N 1/2 alocations in NW 1/4 and SE 1/4 of each quarter section with 200' tolerance (

(Order 69-76).

Xeno Post-1986 Gas P

Statewide; also called Xena or Kremlin field.

Yates Cumulative Oil Production (Bbls): 70,861

320-acre spacing units; locations as specified for Duperow and Red River; d81). Single 320-acre spacing unit for Ratcliffe/Mission Canyon (Order 22-86

16 - 58
Field, Reported Formation # of Wells Oil, Bbls Gas, MCF Cumulative Production And Regulation Su

Yellowstone Cumulative Oil Production (Bbls): 39,405

Field rules vacated (Order 19-62).

16 - 59
2.0

2.53.03.54.0

Million Barrels per Month

Millions

Monthly Oil Production, Vertical vs. Horizontal Wells

Horizontal 

Re-drill

0.00.51.01.5

Million Barrels per Month

Vertical

Horizontal
1.5

2.02.53.03.5

Barrels of Oil Per Month Millions

Montana Statewide Oil Production by Completion Y

2003

2004

2005

0.00.51.0

Barrels of Oil Per Month Pre-1994 

Wells
6

8

1012

Billion Cubic Feet of Gas Per Month

Gas Production by Completion Year

2004

2006

2001

024

Billion Cubic Feet of Gas Per Month Pre-1994 Wells
1.0

1.52.02.53.03.5

Barrels per Month

Millions

Montana Oil Production by County

Richland

0.00.51.0

Big Horn Blaine Carbon Carter Chouteau Custer Dawson Fallon Fergus Garfield Glacier Golden Valley Liberty McCone Musselshell Park Petroleum Phillips Powder River Prairie Richland Roosevelt Rosebud Sheridan Sweetgrass Teton Toole Valley Wibaux Yellowstone

Fallon
3

456789

MCF Gas per Month Millions

Montana Gas Production by County

Fallon

Hill

Phillips

012

Big Horn Blaine Carbon Carter Chouteau Custer Fallon FGlacier Golden Valley Hill Liberty Phillips Pondera Powder River PRichland Stillwater Sweetgrass Teton Toole Valley Wibaux

Big H

Blaine