Fort Berthold Federal Implementation Plan

VOC Emission Data from Synthetic Minor Permit Applications

July 2012

Company / Operator Facility Name # of Wells

Storage Tank 

Uncontrolled VOC 

emissions (tpy)

Storage Tank 

Uncontrolled VOC 

emissions (tpy) 

PER WELL

Storage Tank 

Controlled VOC 

emissions (tpy) 

[calculated 98% 

control]

Storage Tank 

Controlled VOC 

emissions (tpy) 

PER WELL 

[calculated 98% 

control]

Reduced Storage 

Tank VOC 

emissions (tpy)

Reduced Storage 

Tank VOC 

emissions (tpy) 

PER WELL 

Heater-Treater Produced Gas 

Uncontrolled VOC 

emissions (tpy)

Heater-Treater Produced Gas 

Uncontrolled VOC 

emissions PER 

WELL (tpy)

Adjusted HeaterTreater Produced 

Gas Controlled VOC 

emissions (tpy) 

[calculated w/90% 

for 3 months and 

98% for 9 months]

Adjusted HeaterTreater Produced 

Gas Controlled VO

emissions (tpy) 

[calculated w/90% 

for 3 months and 

98% for 9 months

PER WELL

Enerplus Resources (USA) 

Corporation

Axe/Cayenne/Poblano/Vise 

Facility 4 1,150.1 287.5 23.0 5.8 1,127.1 281.8 10,288.1 2,572.0 411.5 102.9 

Enerplus Resources (USA) 

Corporation Cedar/Pine Facility 2 575.1 287.5 11.5 5.8 563.6 281.8 5,144.0 2,572.0 205.8 102.9 

Enerplus Resources (USA) 

Corporation Agave/Birdbear Facility 2 575.1 287.5 11.5 5.8 563.6 281.8 5,144.0 2,572.0 205.8 102.9 

Enerplus Resources (USA) 

Corporation

Anvil/Forge/Habanero/Jalapeno 

Facility 4 1,150.1 287.5 23.0 5.8 1,127.1 281.8 10,288.1 2,572.0 411.5 102.9 

Enerplus Resources (USA) 

Corporation

Fox Ridge/Morrison/Red Rocks 

Facility 3 862.6 287.5 17.3 5.8 845.3 281.8 7,716.1 2,572.0 308.6 102.9 

Enerplus Resources (USA) 

Corporation Sitka/Yellowbird Facility 2 575.1 287.5 11.5 5.8 563.6 281.8 5,144.0 2,572.0 205.8 102.9 

Enerplus Resources (USA) 

Corporation Hawaii/Maui Facility 2 575.1 287.5 11.5 5.8 563.6 281.8 5,144.0 2,572.0 205.8 102.9 

Enerplus Resources (USA) 

Corporation Oak/Spruce Facility 2 575.1 287.5 11.5 5.8 563.6 281.8 5,144.0 2,572.0 205.8 102.9 

Enerplus Resources (USA) 

Corporation Hilo/Kona Facility 2 575.1 287.5 11.5 5.8 563.6 281.8 5,144.0 2,572.0 205.8 102.9 

Enerplus Resources (USA) 

Corporation Buffalo Run/Gray Wolf Facility 2 399.4 199.7 8.0 4.0 391.4 195.7 3,572.3 1,786.1 142.9 71.4 

Enerplus Resources (USA) 

Corporation Coyote/Prairie Dog Facility 2 4,443.0 2,221.5 88.9 44.4 4,354.1 2,177.1 13,518.9 6,759.4 540.8 270.4 

Enerplus Resources (USA) 

Corporation Beluga/Humpback Facility 2 4,443.0 2,221.5 88.9 44.4 4,354.1 2,177.1 13,518.9 6,759.4 540.8 270.4 

Enerplus Resources (USA) 

Corporation Hans Facility 2 1,010.9 505.4 20.2 10.1 990.6 495.3 3,075.5 1,537.8 123.0 61.5 

Enerplus Resources (USA) 

Corporation Cheetah/Hyena Facility 2 4,443.0 2,221.5 88.9 44.4 4,354.1 2,177.1 13,518.9 6,759.4 540.8 270.4 

Enerplus Resources (USA) 

Corporation

Fastball/Slider/Ace/Court 

Facility 4 994.1 248.5 19.9 5.0 974.2 243.6 3,024.9 756.2 121.0 30.2 

Enerplus Resources (USA) 

Corporation Cumulus/Stratus Facility 2 4,443.0 2,221.5 88.9 44.4 4,354.1 2,177.1 13,518.9 6,759.4 540.8 270.4 

Enerplus Resources (USA) 

Corporation Atlas/Calypso Facility 2 4,443.0 2,221.5 88.9 44.4 4,354.1 2,177.1 13,518.9 6,759.4 540.8 270.4 

Enerplus Resources (USA) 

Corporation Bobbin/Thread Facility 2 4,443.0 2,221.5 88.9 44.4 4,354.1 2,177.1 13,518.9 6,759.4 540.8 270.4 

Enerplus Resources (USA) 

Corporation Beans/Carp/Corn/Pike Facility 4 4,398.0 1,099.5 88.0 22.0 4,310.0 1,077.5 13,382.0 3,345.5 535.3 133.8 

Enerplus Resources (USA) 

Corporation

Acadia/Glacier/Likes Eagle 

Facility 3 4,426.3 1,475.4 88.5 29.5 4,337.8 1,445.9 13,468.2 4,489.4 538.7 179.6 

Enerplus Resources (USA) 

Corporation

Curve/Knuckle/Deuce/Net 

Facility 4 994.1 248.5 19.9 5.0 974.2 243.6 3,024.9 756.2 121.0 30.2 

Enerplus Resources (USA) 

Corporation Arnica/Chokecherry Facility 2 1,010.9 505.4 20.2 10.1 990.6 495.3 3,075.5 1,537.8 123.0 61.5 

Enerplus Resources (USA) 

Corporation Arabian/Morgan Facility 2 4,443.0 2,221.5 88.9 44.4 4,354.1 2,177.1 13,518.9 6,759.4 540.8 270.4 

Enerplus Resources (USA) 

Corporation Nishu/Sanish Facility 2 4,443.0 2,221.5 88.9 44.4 4,354.1 2,177.1 13,518.9 6,759.4 540.8 270.4 

Enerplus Resources (USA) 

Corporation

Bradfield/Diamond/Emerald/Luc

ky Mound Facility 4 4,398.0 1,099.5 88.0 22.0 4,310.0 1,077.5 13,382.0 3,345.5 535.3 133.8 

Enerplus Resources (USA) 

Corporation

Huffy/Log House/Round 

House/Schwinn Facility 4 4,398.0 1,099.5 88.0 22.0 4,310.0 1,077.5 13,382.0 3,345.5 535.3 133.8 

Enerplus Resources (USA) 

Corporation Hippo/Jackal/Lion/Rhino Facility 4 4,398.0 1,099.5 88.0 22.0 4,310.0 1,077.5 13,382.0 3,345.5 535.3 133.8 

Enerplus Resources (USA) 

Corporation

Giraffe/Grouper/Impala/Walleye 

Facility 4 4,398.0 1,099.5 88.0 22.0 4,310.0 1,077.5 13,382.0 3,345.5 535.3 133.8 
Fort Berthold Federal Implementation Plan

VOC Emission Data from Synthetic Minor Permit Applications

July 2012

Enerplus Resources (USA) 

Corporation Blue/Bowhead Facility 2 4,443.0 2,221.5 88.9 44.4 4,354.1 2,177.1 13,518.9 6,759.4 540.8 270.4 

Enerplus Resources (USA) 

Corporation Needle/Thimble Facility 2 4,443.0 2,221.5 88.9 44.4 4,354.1 2,177.1 13,518.9 6,759.4 540.8 270.4 

Enerplus Resources (USA) 

Corporation Badger/Mink Facility 2 4,443.0 2,221.5 88.9 44.4 4,354.1 2,177.1 13,518.9 6,759.4 540.8 270.4 

Enerplus Resources (USA) 

Corporation Scissors/Serger Facility 2 4,443.0 2,221.5 88.9 44.4 4,354.1 2,177.1 13,518.9 6,759.4 540.8 270.4 

Enerplus Resources (USA) 

Corporation Mustang/Pinto Facility 2 4,443.0 2,221.5 88.9 44.4 4,354.1 2,177.1 13,518.9 6,759.4 540.8 270.4 

Enerplus Resources (USA) 

Corporation Duet/Harmony Facility 2 4,443.0 2,221.5 88.9 44.4 4,354.1 2,177.1 13,518.9 6,759.4 540.8 270.4 

Enerplus Resources (USA) 

Corporation Bass/Trout Facility 2 4,443.0 2,221.5 88.9 44.4 4,354.1 2,177.1 13,518.9 6,759.4 540.8 270.4 

Enerplus Resources (USA) 

Corporation Air/Carbon/Earth/Sky Facility 4 4,398.0 1,099.5 88.0 22.0 4,310.0 1,077.5 13,382.0 3,345.5 535.3 133.8 

Enerplus Resources (USA) 

Corporation

BMX/Earth Lodge/Tandem/Tipi 

Facility 4 4,398.0 1,099.5 88.0 22.0 4,310.0 1,077.5 13,382.0 3,345.5 535.3 133.8 

Enerplus Resources (USA) 

Corporation Chord/Music Facility 2 4,443.0 2,221.5 88.9 44.4 4,354.1 2,177.1 13,518.9 6,759.4 540.8 270.4 

Enerplus Resources (USA) 

Corporation Cirrus/Nimbus Facility 2 4,443.0 2,221.5 88.9 44.4 4,354.1 2,177.1 13,518.9 6,759.4 540.8 270.4 

Enerplus Resources (USA) 

Corporation Madrid/Rome Facility 2 1,527.4 763.7 30.5 15.3 1,496.8 748.4 4,678.7 2,339.3 187.1 93.6 

EOG Resources, Inc. Van Hook 123-2523H & Van Hook 019-2523H 2 464.7 232.4 9.3 4.6 455.4 227.7 1,099.9 549.9 44.0 22.0 

EOG Resources, Inc. Liberty LR 12-11H 1 332.9 332.9 6.7 6.7 326.2 326.2 795.0 795.0 31.8 31.8 

EOG Resources, Inc. Liberty LR 20-26H 1 332.9 332.9 6.7 6.7 326.2 326.2 795.0 795.0 31.8 31.8 EOG Resources, Inc. Fertile 50-0509H 1 182.9 182.9 3.7 3.7 179.2 179.2 436.7 436.7 17.5 17.5 

EOG Resources, Inc. Mandaree 09-04H Pad 2 357.7 178.8 7.2 3.6 350.5 175.2 2,029.3 1,014.6 81.2 40.6 EOG Resources, Inc. West Clarks Creek Facility 6 1,754.7 292.4 35.1 5.8 1,719.6 286.6 12,640.1 2,106.7 505.6 84.3 

EOG Resources, Inc. Liberty LR 15-26H 1 332.9 332.9 6.7 6.7 326.2 326.2 795.0 795.0 31.8 31.8 EOG Resources, Inc. Liberty 24-2531H 1 182.9 182.9 3.7 3.7 179.2 179.2 436.7 436.7 17.5 17.5 

EOG Resources, Inc. MANDAREE 6-20 Pad 2 337.7 168.8 6.8 3.4 330.9 165.5 2,327.8 1,163.9 93.1 46.6 

EOG Resources, Inc. Liberty LR 18-14H 1 228.5 228.5 4.6 4.6 223.9 223.9 545.7 545.7 21.8 21.8 

EOG Resources, Inc. Clarks Creek 11-0706H 10 3,783.7 378.4 75.7 7.6 3,708.0 370.8 28,183.4 2,818.3 1,127.3 112.7 EOG Resources, Inc. Clarks Creek 3-0805H (2 well facility) 2 871.0 435.5 17.4 8.7 853.6 426.8 5,796.8 2,898.4 231.9 115.9 

EOG Resources, Inc. Mandaree 110-05H Pad 2 276.8 138.4 5.5 2.8 271.2 135.6 1,483.3 741.7 59.3 29.7 

EOG Resources, Inc. Liberty LR 13-14 1 288.6 288.6 5.8 5.8 282.8 282.8 754.3 754.3 30.2 30.2 

EOG Resources, Inc. Bear Den SEC 21 Eastern Central 4 633.8 158.4 12.7 3.2 621.1 155.3 2,908.0 727.0 116.3 29.1 

EOG Resources, Inc. Bear Den SEC 21 Western Central 4 704.4 176.1 14.1 3.5 690.3 172.6 3,227.6 806.9 129.1 32.3 

EOG Resources, Inc. Hawkeye 100-2501 Pad 2 470.8 235.4 9.4 4.7 461.4 230.7 2,159.7 1,079.8 86.4 43.2 EOG Resources, Inc. EOG Well 30 1 219.0 219.0 4.4 4.4 214.6 214.6 653.8 653.8 26.2 26.2 EOG Resources, Inc. EOG Well 29 1 193.1 193.1 3.9 3.9 189.3 189.3 461.3 461.3 18.5 18.5 EOG Resources, Inc. EOG Well 28 1 183.0 183.0 3.7 3.7 179.3 179.3 437.0 437.0 17.5 17.5 
Fort Berthold Federal Implementation Plan

VOC Emission Data from Synthetic Minor Permit Applications

July 2012

EOG Resources, Inc. EOG Well 31 1 244.2 244.2 4.9 4.9 239.3 239.3 583.1 583.1 23.3 23.3 EOG Resources, Inc. EOG Well 32 1 152.4 152.4 3.0 3.0 149.3 149.3 364.0 364.0 14.6 14.6 EOG Resources, Inc. EOG Well 33 1 152.4 152.4 3.0 3.0 149.3 149.3 364.0 364.0 14.6 14.6 EOG Resources, Inc. Bear Den 4-20H, EOG Wells 53, 54, 55 4 843.2 210.8 16.9 4.2 826.3 206.6 4,052.0 1,013.0 162.1 40.5 

EOG Resources, Inc. Hawkeye 102-2501H, EOG Well 42 & EOG Well 41 2 456.2 228.1 9.1 4.6 447.1 223.5 2,043.1 1,021.6 81.7 40.9 

EOG Resources, Inc.

Bear Den 7-17H, EOG Well 39, 

EOG Well 38, EOG Well 40 

(Quad)

4 784.1 196.0 15.7 3.9 768.5 192.1 4,373.2 1,093.3 174.9 43.7 

EOG Resources, Inc. EOG Well 45 1 228.5 228.5 4.6 4.6 223.9 223.9 545.7 545.7 21.8 21.8 EOG Resources, Inc. EOG Well 46 1 228.5 228.5 4.6 4.6 223.9 223.9 545.7 545.7 21.8 21.8 EOG Resources, Inc. EOG Well 47 1 152.4 152.4 3.0 3.0 149.3 149.3 364.0 364.0 14.6 14.6 EOG Resources, Inc. EOG Well 48 1 152.4 152.4 3.0 3.0 149.3 149.3 364.0 364.0 14.6 14.6 EOG Resources, Inc. EOG Well 49 1 152.4 152.4 3.0 3.0 149.3 149.3 364.0 364.0 14.6 14.6 EOG Resources, Inc. EOG Well 50 1 152.4 152.4 3.0 3.0 149.3 149.3 364.0 364.0 14.6 14.6 EOG Resources, Inc. EOG Well 51 1 169.6 169.6 3.4 3.4 166.2 166.2 405.1 405.1 16.2 16.2 EOG Resources, Inc. EOG Well 52 1 152.4 152.4 3.0 3.0 149.3 149.3 364.0 364.0 14.6 14.6 EOG Resources, Inc. Clark Creek Sec 7 Central Sec #1 6 2,226.4 371.1 44.5 7.4 2,181.9 363.6 16,062.3 2,677.0 642.5 107.1 

EOG Resources, Inc. Clark Creek Sec 7 Central Sec #2 2 778.7 389.3 15.6 7.8 763.1 381.5 5,795.6 2,897.8 231.8 115.9 

EOG Resources, Inc. Clark Creek Sec 7 Central Sec #3 2 778.7 389.3 15.6 7.8 763.1 381.5 6,325.4 3,162.7 253.0 126.5 

EOG Resources, Inc. Riverview 103-3130 & Riverview 003-3130H 2 463.6 231.8 9.3 4.6 454.3 227.1 2,076.0 1,038.0 83.0 41.5 

EOG Resources, Inc. Riverview 004-3031H & Riverview 100-3031H 2 344.1 172.0 6.9 3.4 337.2 168.6 1,540.8 770.4 61.6 30.8 

QEP Energy Company 16-31B Pad 10 6,362.1 636.2 127.2 12.7 6,234.9 623.5 3,350.5 335.0 134.0 13.4 

QEP Energy Company 4-35E Pad 5 2,240.1 448.0 44.8 9.0 2,195.3 439.1 4,090.0 818.0 163.6 32.7 QEP Energy Company 1-28G Pad 4 1,792.1 448.0 35.8 9.0 1,756.2 439.1 3,272.4 818.1 130.9 32.7 

QEP Energy Company 4-26G Pad 4 1,792.1 448.0 35.8 9.0 1,756.2 439.1 3,272.4 818.1 130.9 32.7 

QEP Energy Company 5-33C Pad 3 1,344.0 448.0 26.9 9.0 1,317.1 439.0 2,454.3 818.1 98.2 32.7 

QEP Energy Company 5-33F Pad 2 896.1 448.0 17.9 9.0 878.1 439.1 818.1 409.1 32.7 16.4 

QEP Energy Company 12-4E Pad 4 1,792.1 448.0 35.8 9.0 1,756.2 439.1 3,272.4 818.1 130.9 32.7 

QEP Energy Company 13-24G Pad 4 1,792.1 448.0 35.8 9.0 1,756.2 439.1 3,272.4 818.1 130.9 32.7 QEP Energy Company 14-32B Pad 2 896.1 448.0 17.9 9.0 878.1 439.1 818.1 409.1 32.7 16.4 

QEP Energy Company 16-23G Pad 4 1,792.1 448.0 35.8 9.0 1,756.2 439.1 3,272.4 818.1 130.9 32.7 

QEP Energy Company 16-24G Pad 4 1,792.1 448.0 35.8 9.0 1,756.2 439.1 3,272.4 818.1 130.9 32.7 

WPX Energy Williston, LLC Bird 30-31H Pad 3 718.9 239.6 14.4 4.8 704.5 234.8 481.5 160.5 19.3 6.4 

WPX Energy Williston, LLC Bear Den 24-13H2 1 245.9 245.9 4.9 4.9 241.0 241.0 165.0 165.0 6.6 6.6 
Fort Berthold Federal Implementation Plan

VOC Emission Data from Synthetic Minor Permit Applications

July 2012

WPX Energy Williston, LLC Benson 16-3H 1 127.4 127.4 2.5 2.5 124.8 124.8 85.5 85.5 3.4 3.4 

WPX Energy Williston, LLC Spotted Horn 26-35H 1 199.5 199.5 4.0 4.0 195.5 195.5 134.0 134.0 5.4 5.4 

WPX Energy Williston, LLC Plenty Sweetgrass 18-19H 1 224.3 224.3 4.5 4.5 219.9 219.9 150.5 150.5 6.0 6.0 

WPX Energy Williston, LLC Morsette-Leadwoman 7 1,674.9 239.3 33.5 4.8 1,641.4 234.5 1,123.0 160.4 44.9 6.4 WPX Energy Williston, LLC North John Elk 28-27HC 1 245.9 245.9 4.9 4.9 241.0 241.0 165.0 165.0 6.6 6.6 

WPX Energy Williston, LLC Sarah Yellow Wolf 22-27H 7 1,686.5 240.9 33.7 4.8 1,652.7 236.1 1,255.0 179.3 50.2 7.2 WPX Energy Williston, LLC Patricia Kelly 2-1H 4 1,037.3 259.3 20.7 5.2 1,016.5 254.1 695.5 173.9 27.8 7.0 WPX Energy Williston, LLC Grey Woman 4-24H 3 395.5 131.8 7.9 2.6 387.6 129.2 265.5 88.5 10.6 3.5 

WPX Energy Williston, LLC Paul Peter Coffee 35H 3 387.6 129.2 7.8 2.6 379.8 126.6 260.0 86.7 10.4 3.5 WPX Energy Williston, LLC Skunk Creek 23-14H 2 544.9 272.4 10.9 5.4 534.0 267.0 365.5 182.8 14.6 7.3 WPX Energy Williston, LLC Stevenson 15-8H 2 360.7 180.3 7.2 3.6 353.4 176.7 242.0 121.0 9.7 4.8 

WPX Energy Williston, LLC Sweetgrass Woman 22-15H 4 1,268.7 317.2 25.4 6.3 1,243.4 310.8 851.0 212.8 34.0 8.5 

WPX Energy Williston, LLC Wounded Face 15-15H 2 270.8 135.4 5.4 2.7 265.4 132.7 181.5 90.8 7.3 3.6 

WPX Energy Williston, LLC Hidatsa 23-26H 6 1,945.2 324.2 38.9 6.5 1,906.3 317.7 976.5 162.8 39.1 6.5 

WPX Energy Williston, LLC George Evans 11-2H 6 1,931.9 322.0 38.6 6.4 1,893.3 315.6 965.5 160.9 38.6 6.4 

WPX Energy Williston, LLC Arikara 15-22H 6 1,900.2 316.7 38.0 6.3 1,862.1 310.4 949.5 158.3 38.0 6.3 

WPX Energy Williston, LLC Fox 14-8H 1 137.5 137.5 2.7 2.7 134.7 134.7 92.0 92.0 3.7 3.7 WPX Energy Williston, LLC Fettig 6-7H 3 623.3 207.8 12.5 4.2 610.8 203.6 418.0 139.3 16.7 5.6 

WPX Energy Williston, LLC Dolores Sand 29-32H 1 245.9 245.9 4.9 4.9 241.0 241.0 165.0 165.0 6.6 6.6 

WPX Energy Williston, LLC Charles Blackhawk 31-30H 7 1,396.3 199.5 27.9 4.0 1,368.4 195.5 936.5 133.8 37.5 5.4 

WPX Energy Williston, LLC Buffalo 1-36H 2 571.4 285.7 11.4 5.7 560.0 280.0 383.0 191.5 15.3 7.7 WPX Energy Williston, LLC Blue Buttes 3-21H 2 251.3 125.7 5.0 2.5 246.3 123.1 168.5 84.3 6.7 3.4 WPX Energy Williston, LLC Blackhawk 1-12H/Good Bird 36- 25H 14 2,839.0 202.8 56.8 4.1 2,782.2 198.7 1,904.0 136.0 76.2 5.4 

WPX Energy Williston, LLC Stink Gun 7-2H 9 2,626.6 291.8 52.5 5.8 2,574.1 286.0 2,189.0 243.2 87.6 9.7 

WPX Energy Williston, LLC Coyote Necklace 24-25H 1 337.8 337.8 6.8 6.8 331.0 331.0 281.5 281.5 11.3 11.3 

WPX Energy Williston, LLC Mandaree Warrior 14-11H 1 209.4 209.4 4.2 4.2 205.3 205.3 156.0 156.0 6.2 6.2 WPX Energy Williston, LLC Independence 2-35H 4 1,129.8 282.4 22.6 5.6 1,107.2 276.8 842.0 210.5 33.7 8.4 

WPX Energy Williston, LLC Frank R Fox 21-16H Pad 7 1,903.6 271.9 38.1 5.4 1,865.6 266.5 1,332.0 190.3 53.3 7.6 

WPX Energy Williston, LLC Maggie Old Dog 19-18 Pad (aka TAT (751A) #14-19H) 7 1,253.1 179.0 25.1 3.6 1,228.0 175.4 877.0 125.3 35.1 5.0 

WPX Energy Williston, LLC Bessie High Eagle Pad 13 2,521.8 194.0 50.4 3.9 2,471.3 190.1 1,764.5 135.7 70.6 5.4 

WPX Energy Williston, LLC Wolf Chief 27-34H 6 1,222.4 203.7 24.4 4.1 1,198.0 199.7 909.5 151.6 36.4 6.1 

WPX Energy Williston, LLC North Segment 6-7H 6 1,400.3 233.4 28.0 4.7 1,372.3 228.7 1,166.0 194.3 46.6 7.8 
Fort Berthold Federal Implementation Plan

VOC Emission Data from Synthetic Minor Permit Applications

July 2012

WPX Energy Williston, LLC Dora Smith 5-8H 3 875.7 291.9 17.5 5.8 858.2 286.1 729.5 243.2 29.2 9.7 

WPX Energy Williston, LLC Owl Comes Out 7-9H 6 1,400.3 233.4 28.0 4.7 1,372.3 228.7 1,166.0 194.3 46.6 7.8 WPX Energy Williston, LLC Ruby 31-30H 4 688.7 172.2 13.8 3.4 675.0 168.7 512.5 128.1 20.5 5.1 

WPX Energy Williston, LLC Bearstail 32-29H 4 638.9 159.7 12.8 3.2 626.1 156.5 475.5 118.9 19.0 4.8 

WPX Energy Williston, LLC Tracy 15H 3 432.1 144.0 8.6 2.9 423.5 141.2 302.5 100.8 12.1 4.0 

WPX Energy Williston, LLC State of ND-Adam Good Bear 6 1,522.3 253.7 30.4 5.1 1,491.9 248.6 1,268.0 211.3 50.7 8.5 WPX Energy Williston, LLC Mckenzie Hale 7-6H 4 702.4 175.6 14.0 3.5 688.3 172.1 522.5 130.6 20.9 5.2 WPX Energy Williston, LLC Stenehjem 8-H Pad 2 255.0 127.5 5.1 2.6 249.9 125.0 190.0 95.0 7.6 3.8 

WPX Energy Williston, LLC Lucy Evans 29-32H Pad 4 808.5 202.1 16.2 4.0 792.4 198.1 601.5 150.4 24.1 6.0 

WPX Energy Williston, LLC Olson-FBIR Pad 7 1,756.3 250.9 35.1 5.0 1,721.1 245.9 1,462.5 208.9 58.5 8.4 

WPX Energy Williston, LLC Dancing Bull 21-16H Pad 3 861.6 287.2 17.2 5.7 844.3 281.4 717.5 239.2 28.7 9.6 WPX Energy Williston, LLC Patricia Charging 2-15H Pad 2 313.5 156.7 6.3 3.1 307.2 153.6 233.5 116.8 9.3 4.7 

WPX Energy Williston, LLC Ethal Blackhawk 1-12H Pad 4 661.2 165.3 13.2 3.3 648.0 162.0 492.0 123.0 19.7 4.9 

XTO Energy, Inc. Iron Woman & Yellow Wolf Pad 6 3,107.8 518.0 62.2 10.4 3,045.7 507.6 7,088.1 1,181.4 283.5 47.3 

XTO Energy, Inc. Smith Pad 6 3,107.8 518.0 62.2 10.4 3,045.7 507.6 7,088.1 1,181.4 283.5 47.3 

XTO Energy, Inc. Walter Packs Wolf Pad 6 3,107.8 518.0 62.2 10.4 3,045.7 507.6 7,088.1 1,181.4 283.5 47.3 

XTO Energy, Inc. Young Bear Pad 6 3,107.8 518.0 62.2 10.4 3,045.7 507.6 7,088.1 1,181.4 283.5 47.3 XTO Energy, Inc. Beaks-Hunts Medicine Pad 6 3,107.8 518.0 62.2 10.4 3,045.7 507.6 7,088.1 1,181.4 283.5 47.3 XTO Energy, Inc. Darcie Pad 6 3,107.8 518.0 62.2 10.4 3,045.7 507.6 7,088.1 1,181.4 283.5 47.3 

XTO Energy, Inc. Goes Everwhere Pad 6 3,107.8 518.0 62.2 10.4 3,045.7 507.6 7,088.1 1,181.4 283.5 47.3 XTO Energy, Inc. Guy Black Hawk Pad 6 3,107.8 518.0 62.2 10.4 3,045.7 507.6 7,088.1 1,181.4 283.5 47.3 XTO Energy, Inc. Lawrence 24X-26 Pad 6 3,107.8 518.0 62.2 10.4 3,045.7 507.6 7,088.1 1,181.4 283.5 47.3 

XTO Energy, Inc. Headless Turtle 44X-22 Pad 6 3,107.8 518.0 62.2 10.4 3,045.7 507.6 7,088.1 1,181.4 283.5 47.3 XTO Energy, Inc. Grinnel 41X-1 Pad 6 3,107.8 518.0 62.2 10.4 3,045.7 507.6 7,088.1 1,181.4 283.5 47.3 

XTO Energy, Inc. Grinnel 34X-33 Pad 6 3,107.8 518.0 62.2 10.4 3,045.7 507.6 7,088.1 1,181.4 283.5 47.3 XTO Energy, Inc. Black Medicine 24X-21 Pad 6 3,107.8 518.0 62.2 10.4 3,045.7 507.6 7,088.1 1,181.4 283.5 47.3 

XTO Energy, Inc. Smith 11X-10(2) Pad 6 3,107.8 518.0 62.2 10.4 3,045.7 507.6 7,088.1 1,181.4 283.5 47.3 

XTO Energy, Inc. Hunts Along 31X-2 Pad 6 3,107.8 518.0 62.2 10.4 3,045.7 507.6 7,088.1 1,181.4 283.5 47.3 

XTO Energy, Inc. George Black Hawk 21X-6 Pad 6 3,107.8 518.0 62.2 10.4 3,045.7 507.6 7,088.1 1,181.4 283.5 47.3 

XTO Energy, Inc. Nellie Old Mouse 13X-13 Pad 6 3,107.8 518.0 62.2 10.4 3,045.7 507.6 7,088.1 1,181.4 283.5 47.3 

Mean Value 3.44 1,715.0 553.9 34.3 11.1 1,680.7 542.8 4,640.7 1,611.1 185.6 64.4