Notes:

1) Stale Government agencies and commercial sources provided ease data 2) ThIs U.S total does not ,nclhee pre-2003 oil wells from NY. post-2004 wells from PA, 2009 wells from IO most post-2005 TN welts. and all weffs from IL and IN. 3) The Reserves and Production Division. Office of Oil and Gas. EtA has reviewed and edited inaccurate production data 4) To be consistent between states a GOR off. 000 (cf/bbl) for each years production was used to classify welts. If the GOR was less than 6,000 (cf/bbt) the well was classed air of well. eater than or equal 6.000 (cf/ljbl) were gas wells. 5) To determine production rate brackets for the first and last year of a welts life the annual production was divided by the number of days In the productive months. For other years the annual production was divided by 365 or 366 days. 61 Gas volumes have been converted from the venous state pressure bases lathe Fedea’al base (14 73 psie)

29DEC10

tBOEtDeyt

p

p

p

We

Prod, per Well IMMbblh (bbl,lDay) fBcf) lMcffDayi I lBcfl fMcflDayt lMMbbli tbbllDavt

0-I 127.734 36 1 154 0.9 04 48 81 I 91,005 197 734 0.3 2.4 07 00

8-2 I 45 649 12,6 21 8 1.3 1.4 9.5 0.61 45 034 9.8 131.1 0.5 03 1.3 0.1

2-4 47,803 132 453 28 27 223 1.3 I 60.930 132 3903 1 5 166 36 0.2

4. 6 I 27,625 7 6 43.6 2.7 4.4 29.4 3 0 I 43,009 9 3 420 4 1 8 28.0 4 4 0.3

6-a I 21,816 6.0 483 29 62 367 4.7 I 32,564 7 1 4578 1 9 354 45 0.4

6-10 I 15.482 4.3 42.9 2,6 7.7 40.0 7.2 I 24.829 5.4 451.1 1.8 50,8 43 05

Subtotal n10 I 286.109 78.7 2l7.3 13.2 2.2 142.7 1.41 297,373 64.5 1900.0 7.8 18.3 98.8 0.2

10-92 I 12,642 30 438 27 5,7 33.5 7.4 I 18,567 41 420.5 1.0 62 1 4.1 0.6

12-1 I 11 801 3.2 503 3.1 11.9 37.3 5.9 I 21.718 4.7 591 1 20 762 5.7 07

Subtotal usfs i 310,552 85.4 311.5 19.0 2.9 213.6 2.01 338.8Sf 73.3 2,911.7 12.2 24.8 28.6 0.2

15-20 I 13.895 38 75 I 4.8 15.2 808 12.3 I 23,974 52 841 3 35 985 77 09

20-25 I 8 157 2.2 56.8 34 186 402 16.1 I 15,539 3.6 7442 3.1 126.5 7.5 1.3

25-30 I 6.275 1 7 523 3,2 237 465 21 1 I 11 635 2.5 544.9 27 158.7 51 1 2

38-40 I 7.207 2.0 753 4.6 355 69.0 278 I 15,003 3,5 1,122.3 4.7 157.4 9.5 1 7

40-0 I 3.684 1 0 49.0 3,0 39 1 42.1 335 I 9,959 22 8956 37 255.6 71 20

50- 100 I 7934 22 1557 5.7 59.4 171.4 63.7 I 22.946 49 3.1566 13,2 402.7 22.4 2.9

300- 200 I 3,070 0.5 119 1 7.3 1183 1159 115,1 I 13,444 2.9 3.5204 14.7 782.4 30.0 6.0

200- 400 I 1,469 04 l099 6.7 233.5 122.3 2603 I 5,920 1.2 2,5722 107 1.0481 223 134

400- 850 I 863 02 92.3 56 447.9 128.5 623.6 I 2.030 04 1.700,3 7.1 3 007.9 222 390

800- 1500 I 264 0 1 778 47 900.8 114.4 1.325,0 I 816 0.2 1,3424 56 6,039.3 250 112.6

1600- 3200 I 145 00 55.8 5.3 1 770.4 121 8 2.4056 I 460 0.1 1,6332 6.8 11 9070 358 261 0

3200- 5400 I 66 0.0 881 54 3,950.0 929 4,167.6 I 247 0.1 1,913.3 80 22,5176 46.1 5520

6400- 82880 I 47 00 112.4 68 7.4259 1321 87292 I 51 00 7253 30 464685 98 8350

5 12800 I 30 00 175.5 107 10 1522 138.8 14.0531 I 9 0.0 2275 0.9 84,561,5 3.3 1 2543

Total I 303,459 800.0 1,642.3 100,0 12,9 1,614.4 12.7> 401,388 100.0 23,909,1 100.0 148.5 283.2 1.0

h+ln Ilinnmnrr mm, nnr,ln, ,hlr,il nay lnotrrrer,clor,, his labia html iiic
Notes:

1) State Government agencies and commetciat sources provided bane data. 2) This 01.5. total does not include pre-2003 nit watts from NY. posr-2004 watts from PA. 2008 watts fmro ICY, most post-2005 TN welts, and att watts from tL and IN. 3) The Reserves and Producttoo Division. Office of Oft and Gao. EtA has revtewad and edited iraccurate production data 4) To be conotsterit between states a GOR sf6, 000 tcf/bbt) for each years peoductioo was used to ctasstfy wetto. If the GOR was tsss than 6.000 (cf/hOt) the wel was ctassed an c4t wel, g-eater tbao orequat 6,000 (cf/bbt) were gas wetts. 5) To detennase productton rate brackets for the first and last year & a waifs ate the annuat production was dwtr*d by tire otmrber of days in the procktctrva months. For other pears the a’wnu& production was divided by 365 or 366 days. 6) Gao votta’oes have beers converted from the various state pressure bases to the Federal base (t4 73 pots).

29DEC10

Subtotal 0=15 I 304,909 85.3 318.0 21.1 2.8 216.4 1.8 I 359,044 74.3 2,871.6 82.0 23.4 28.0 0.2

15-20 I 54.035 3.8 75.2 5.0 55.4 576 11 61 24.0Sf 6.0 8375 35 98.5 75 09

20-25 I 8729 24 60.9 40 199 492 1571 16,136 3.3 7194 30 1206 70 12

25-30 ) 6.359 17 533 35 241 437 1921 11,312 2.3 6166 26 1662 5.3 1.330-40 ) 7,118 19 727 4.9 30.0 650 2661 19,166 3.1 1,0333 43 1975 90 1.7

40-90 ) 4,095 1.1 539 36 39.2 43.3 31.5) 9.910 2.1 9649 36 2093 74 22

50- 100 I 8.167 2.2 1602 106 85 1 166.0 61.3 ) 22.566 4.7 3,010.4 12.6 404.5 22.6 3.0

100-200 ) 3,092 0.8 1105 76 1179 1144 116.8) 14524 31 3,520.4 148 7624 331 74

200- 400 I 1,349 04 970 6.4 229.3 117.3 2772 I 6.367 1,3 2.7262 114 1 0494 232 132400-600 I 692 02 969 65 4462 132.5 598.1) 2109 0.4 1697.2 7.1 3.0103 236 416

600-t600 I 294 01 52.0 9.4 Sf35 1291 1375.01 754 02 1261.2 53 95965 245 1145

1600- 3200 I 147 00 673 5.8 1,729.3 1301 2.5721 ) 425 0.1 1,540.4 6.5 11,7235 37 1 262.0

3200- 6400 I 63 00 79.9 53 3,789.0 95.2 4,477.6 ) 248 0 1 I 932.3 8.1 22,992.3 44 6 532 5

6400-t2600 ) 42 0.0 934 62 7,3016 1029 6,0458 I 63 0.0 9776 41 442761 193 872.2

u 12809 I 13 06 60.6 4.0 15,461.2 509 12 937.3 ) 5 0.9 126.7 05 76.8690 30 1,8268

Total I 368,129 100.0 1,510.2 100.0 10.5 1,511.6 11.6 ) 497,076 100.0 23,825.2 100.0 141.4 295.1 1.0

I’rttr tlrrriririrr coin nnsnlni ikslnil nov lr—,nt rnoriot corn tue I iahtv, him I 211 c
Notes

0) State Government agencies and commercial sources provided base data.

2) This U. S. totat does not include pre-2083 oil wells fmm NV, post-2004 webs (iran PA. 2008 watts (mm IO most post-2005 TN welts, and all welts (mm tL and tN. 31 The Reseeves east Pmdtrcthin Ounsicin. Office of Gil and Gas, EtA has reviewed and edited inaccurate pmductian data 4) To be consistent between states a GOP at 6.000 tcflbbt) far each years production was used to classify wet/s tithe GOR was less than 6000 (cf/bbQ the welt was classed an ott welt. greater than orequat 6000 (cf/bbt) were gas wells. 5) To detenna,e prodcattbs rate brackets for the brat and test year of a wells life the annual production was dotided by the man her of days in the productWe months. Par a/her years the annuat productIon was divIded by 365 or 368 days. 8) Gas vohanes have been convened (mm the varIous state paessr.ee bases to the Federal base (t4. 73 pstaj

29OECtO

Srthlatat untO I 305,459 85.2 300.6 20.3 2.8 2t3.7 2.01 330,t50 74.1 5825.7 02.4 24.0 26.4 0.2

05-20 I 12,843 3.6 70.0 4.8 154 51.6 1131 23,001 52 798.5 35 986 70 09

20-25 I 0.874 2,0 62 3 4 1 200 45.6 14,7 15/80 3.4 674,5 3.5 126.7 6.4 1 2

20-30 I 5.946 1.7 507 33 245 376 152) 10,554 2,4 5793 26 1566 4.6 1.3

30-40 I 7,583 2.2 53.7 5.0 304 79,5 25,8 ) 14,320 3,2 9736 4.3 107,5 0.1 1.5

40-50 ) 3 985 I 1 53.0 3.5 39.0 451 33.21 9.133 2.0 701 9 35 255.5 5.6 2.1

50 - tOO I 7,813 2.2 157.6 10.3 099 1508 593 ) 20,656 46 2,704.7 11 9 390.8 2t 0 3.2

100 - 200 2.878 88 1109 7.2 1186 110.7 116.81 13.477 3.0 3.1505 135 769,5 331 61

200- 400 I 1,375 04 107.1 7.0 2345 1235 270.0 I 5,571 1.2 2,3757 10.5 1,540.7 22.5 149

408-600 I 665 02 963 53 4416 1401 6426) 2573 05 16752 7.4 3.0130 243 437

000-1600 I 275 01 750 51 8935 1147 1,290.31 822 0.2 14207 6.3 6,0025 256 1075

0600- 3200 I 144 0.8 873 5.7 1.8540 1261 2,677.81 408 0.1 1 5651 69 11,841.8 373 2824

3208- 6400 I 90 80 151.0 66 3,602.9 135.2 4.822,9 I 243 0.1 1,679.6 83 22,930.6 446 5445

6440- t2800 ) 49 00 1/9.9 78 7,303.1 1630 10,01361 88 0.0 t,162 7 5.2 43,6640 242 4928

u 52880 I 9 00 440 2.9 14,192.1 539 17,2057 I 3 0.0 89.7 04 81,903.3 31 2,7994

Tatat I 358,334 900.0 2,533.3 900.0 t2.0 9,596.6 92.5 I 445,796 080.o 22,700.4 000.0 945.8 296.0 1.9

t-,ttn’tharianv, airs nnrrlni h/ni/ ns,elnatrr’.eiietamli in tst,lv, htmt ti c
Subtotal <=15 I 383,598 85.1 300.1 18.8 2.6 212.4 2.0 I 314,697 74.1 2,681.9 12.4 24.1 25.5 0.2

15-26 I 13,519 3,5 74.4 4,5 15.5 525 t5,9 I 22.920 5.4 792.8 37 955 74 09

28-25 I 5.426 2.4 55.3 3.5 200 43.1 14,5 I 14,823 3.5 6592 3.0 127.4 5 7 1

25-30 I 5.846 16 50.0 32 24.4 35.6 173 I 10,561 2.5 5704 2.6 1555 49 1.3

30-40 I 7.209 2.0 756 4.9 332 63.4 253 I 13.631 3.2 9260 4.3 197.9 7.4 1.6

40-SO I 4.792 1.3 628 4.1 381 60.4 3671 5,753 21 7549 3.5 254.2 69 23

50- 000 I 7.657 22 1536 95 58.9 181.0 69.41 15,159 4.5 2,5006 11,6 4003 202 32

100-200 I 2969 58 112.5 73 113.4 123.1 12411 11,656 27 2,7613 129 7851 216 6.1200-400 I 1,335 04 100.5 6.5 233.2 118.2 273.3 I 5,211 1.2 2 345.6 10,5 1,5455 21,3 14 1

400-800 I 601 82 89.3 58 4493 1095 552.51 1,865 54 1,5785 73 3.5438 236 456

800- 1800 I 253 0.1 743 48 8912 1123 1,346.6 I 514 02 1,4466 6.7 5991 5 279 115.7

1600. 3200 I 161 5.0 966 6.4 1,5870 1374 2,628.71 452 0.1 1,7662 8.2 11,948.9 421 2845

3200- 6460 I 96 5.0 114.0 74 3,645.1 1503 4,759.8 I 228 0,1 1,800,5 83 23,391 1 435 5646

6400- 12806 I 47 0.5 1104 71 7,016.0 1505 5,565.7 I 55 0.0 5372 3.9 434722 17.5 831 5

>12800 I 13 55 66.3 43 13,969.7 545 19,918.6 I 6 5.5 174.1 58 51.6762 6.3 29544

Total I 356,544 100.0 1,551.0 100.0 12.2 1,644.4 13.0 I 424,783 000.0 21,615.0 100.9 145.9 282.1 1.5

Notes:

1) Stale Government agencies and commerca.l sources provided base data.

2) ThIs U.S. total does not incsade pre-2003 84 wells horn NV, post-2004 ness (tore PA 2009 wells from KY, most posl-2005 TN wells end alt wells from IL end IN. 3) The Reserues end Production DMsiorr, Office of 00 and Gas EtA has reviewed and edited inaccurate production data 4) To be consistent between states a COin of 6,600 (cf)bbl) fOr each years production was used to classify walls. If the GOR was less than 8,0132 (cf/Md) the weO teas ctassedan 56 well. greMdrthan or equal 8.000(cf/bbl) were gas wefls.

8) To daternsne production rate Wackets for the Pest and last year at a wells We the annual production was divided by the number of days ii the productWe months. Por ather yearn the annual production was divided by 365 or 386 days. 5) Gas volumes have been converted front the various state pressure bases to the Pedera) base (14.73 psi.).

29DEC30

NOn llmrsrnsr Gin nnrrlnr h/nil nnolnofrnorrofomlr ‘a trshta him) 411R
Subtotal <=15 I 267,102 84.7 302.0 19.3 2.8 203.2 1.6 I 265.326 73.6 2,518.8 15.7 24.0 24.5 0.2

55-20 ) 13,801 3.9 75.4 48 18.4 88.0 11.3) 22,316 66 7722 36 986 69 09

28-25 ) 8,511 2.4 60,8 3.6 20.1 40,9 13.6 I 14,388 3.6 838.5 3.0 127,6 8,3 1,1

25-30 ) 5867 1,7 55.4 3.2 248 38.7 17.81 9,940 28 8393 28 1583 4.5 13

38-40 I 6,893 20 74,1 4.7 308 85.5 22.8 I 13,222 3,3 897 1 42 187.6 7.2 1.640-55 ) 6,073 14 678 43 364 628 357) 8,199 20 708.6 33 2565 85 28

50- 100 I 7,867 2.3 185,0 10.1 88.7 160.3 688 I 17,579 4.4 2.289,7 10,7 387.9 154 3.4

500-200 ) 2.862 0,8 1133 72 1171 1171 121.1 I 18,615 2,7 25.463 119 792,6 207 64

200- 400 I 1,388 0,4 102,9 6.6 2303 123.0 275.2 I 8,036 1 3 2.3277 10.8 1,0584 21,7 146

400-800 ) 637 0.2 983 61 4474 133.3 620.8 ) 2.011 0.5 1,749.3 8.1 3.0676 28.4 437

600-1600 I 277 0.1 81.1 8.2 678.2 128.9 1,311 5 I 815 0.2 1,444.9 67 6.076,4 268 113.3

t600 -3200 p 144 50 836 5.3 1,840.9 1205 2684.7) 483 01 1,761.3 82 11.7778 488 3043

3206-8406 I 98 5,5 114.9 7.3 3,562.3 171.8 8,317.1 ) 247 0.1 1,665.2 57 22,281.8 80.1 598.0

6400-82800 ) 42 00 1021 68 7,0468 137.5 9,4820 ) 75 5.5 1,1566 8.4 44,1965 26.3 1 506.4

>52600 I 19 0.0 84.5 5.4 12,8175 1403 21.4531 ) 10 0,0 253.4 1 2 72,4631 11 2 3191 1

Total I 350,778 100.0 1,566.8 100.0 12.5 1,600.7 13.6 I 400,204 400.0 21,460.2 000.0 153.5 301.3 2.2

Notes:

1) State Government agencies and commercial sources provided base data.

2) This U.S. total does not include pre-2003 oil wells from NV, post-2004 wells froor PA 2006 welts 8mm NV, most post-2006 TN welts. and alt waifs from IL and IN. 3) The Reserves and Production Oioision. Office of Cit and Gas. EtA has reviewed and edited inaccurate production data. 4) To be consistent between states a 0014 or 6,000 (cf/bbt) for each years production was used fo classify wells. If the GOP was less than 6,000 (cf/bat) the well was classed an oil well. preater than or equal 6,000 (cf/bbS were gas wells. 6) To datemr are production rate brackets for the first and last year of a welts ate the annual production was dwided by the ntanbar of days Er the productwe months. For other years the annual production was tbvided by 365 or 308 days 6) Gas votcar.res have been converted from the various state pressure bases to the Fedemt base (t 4 73 psia)

26DECtO

hllrr’/Srnrnrr uio r,nr.ilni h/nit n,n/r,c,lrnorintom/p ‘c luhlo html dl P
Notes:

1) State Government agencies and commercial sources provided base data

2) This U.S. total does not include pre-2003 oil welts from NY. post-2004 wells from PA 2000 welts from KY. most post-2005 TN wells, and alt wells from IL and IN.

3) The Reserves and Production Division, Office of Dii and Gas. EtA has reviewed and edited inaccurate production data.

4) To ba consiotant between states a GOR of 6,000 (cf/bbt) for each years production was used to classify welts.

If the GOP was tess than 6,000 (cffbbl) the well was classed en oil well, greater than or equal 6.000 (cf/bbt) were gas wells.

5) To determine pmckrctiors rate brackets for the test and last year of a veils We tire annual production was drerded

by the numher of dayo lit the productive months. For 01 her years the annual production was derided by 365 or 366 days.

6) Gas volumes have been convened horn the venous stale pressure bases to the Federal base (54.73 pore).

29DEC10

Subtotal I 290,264 05.t 297.2 50.0 2.9 199.? 1.9) 31e,rer r5.3 2; 530.5 lt.3 22.3 24.5 0.2

15-20 I 13 456 3.8 746 46 15.4 504 1041 21,762 5.1 709.9 34 589 6,2 0.8

20-25 I 8.442 2.4 654 3.8 25.1 405 13.8 I 14 163 3.3 6328 2.8 127.4 84 1.1

28-30 I 5.437 16 460 29 243 342 1791 10,047 2.4 942.9 2.4 154.5 5.4 1.9

30-40 I 7 364 21 70.7 4.9 30.5 59.8 23.2 I 12.843 3.s 8749 39 197,7 6.9 1 6

40-50 I 3.906 01 534 33 39.6 39.9 20.61 0,230 19 7041 3.2 250.4 76 27

50- 505 I 8.187 2 3 166.2 13.3 59.0 176.4 626 I 16.504 44 2,321.3 10.4 3768 4’ .0 6.7

100-200 I 2.598 07 1019 6.3 117,8 1001 11971 9.717 23 2,3610 107 7947 196 65200- 400 I 1,410 04 109,3 8.8 2334 128.7 274.9 I 5,146 1.2 2,3953 157 1,514,5 33.2 21,5

400-000 I 712 02 1052 6.5 4441 1489 82001 2,200 05 1.9512 87 3,0175 293 45.4

eoo - 5000 I 297 0.1 836 5.2 856.1 122,2 1,267.4 I 658 0.2 1,6898 7.6 5,091.2 31.0 112.6

teoo- 3200 I 154 513 896 5.8 1,8338 1293 2,645.01 486 01 1943.3 8.3 11 7285 494 3145

3200-0400 I 96 0.0 114.7 7.1 3,700.5 104.2 8,843.9 I 296 0,1 2,124.0 9.5 21,617.8 58.1 601.6

6400- t2000 I 62 00 143,4 8.9 7,4241 2132 11,038.91 90 0.0 1,368.9 81 44,369.4 339 1,101 5

u 12000 I 20 0.0 02.0 5 I 12,215,2 156.0 23,229.7 I 6 00 205.7 09 99,202.8 2.8 1,339.0

Total 350,404 100.0 1,606.6 100.0 12.0 5,702.7 14.21 423,253 100.0 22,324.t 500.0 150,2 356.2 2.4

l’rtln’lirrrrrrrrr am nnrrlnr rhfrril nsclrralrrrorrntarn Ire tshla html 1011k
Notes.

I) State Government agencies and conrrnercial sources provided base data 2) Ttos US. total does not aciade pre-2003 sit webs from NV. post-2004 weds frown PA. 2005 wells (mm Ky, most post-2005 TN wells, and all wells frown tL and tN. 3) The Reserves end Productroar Division. Office 0(011 and Gas, EtA has reviewed end er*fed maccurate production data. 4) To be consistent between states a OCR of 6,000 (cfltsbt) 7cr each years production was used to ctassify wetts. tf the GOP was tess than 6000 (cf/bbt) the wail was cteased an cit watt, greater than oraquat 6.000 (cf/bat) were pos watts 5) To delarnskre prorbictron rate brackets for the Pest and last yee of a wells We the arnsuat production was dtsided by the number of days er the productive months. For other years the eaarae/ production was civided by 365 or 356 days. 6) Gas vohanes have been converted t’rorn the vatus state pressure bases to the Federat base (t4. 73 psiat.

29DECtO

Sabtotat s=t5 I 295,345 04.9 290.5 07.2 2.0 t93.t 1.01 304,409 78.3 2,300.3

15-20 I 14,725 4.2 81.6 4.8 15.5 547 10.4 I 21,378 5.3 748.5

20-25 I 8,714 2.5 62.1 37 20.0 423 136) 13,656 34 6227

25-30 5.243 1.5 45.6 27 24.6 292 15.7 ) 10,027 25 540.9

30-40 ) 7675 22 02.1 4.9 356 631 2351 12,763 32 964140-50 ) 4,320 12 579 34 388 520 34.9) 7.662 15 8639

s0-000 I 0112 28 1554 107 57.2 2261 726) 16.549 41 21239

100-200 I 3,212 58 1208 71 1108 1469 135.2) 8,807 22 2.1770

200- 400 I 1.403 04 110.7 6.0 233.4 1282 270.3 I 4,694 1.2 2,242 1

400-800 I 706 02 1041 6.2 4304 1002 6553) 2.234 06 2.2311

000-1000 I 344 0.1 077 5.0 073.3 1401 I 332.21 1.075 03 1.878,8

0600-3200 J 136 0.0 78.2 4.6 1,776.7 110.4 2,686.8 ) 580 0.1 21673

3200-8400 I 100 0.0 114.5 6.8 3,705.7 151.7 4,593.2 I 209 01 2,267.7

6400- 12000 I 68 0.0 157.8 93 6,939.5 279.1 12,2753 I 72 0.0 1,0574

5 82800 I 24 0.0 106.2 6.3 13,478.2 173.2 2t,984.8 I 11 0.0 331 1

Tatat I 301,027 000.0 l,69t.5 890.0 83.5 1,065.4 05.7 I 404,498 tOO.0 22,104.7 800.0

tOO 22.0

3.4 990

28 127824 154.6

39 195930 2546

96 3870

90 7054

10 1 1.575,1

92 3020485 5879690 117917

15.3 22,573.2

45 429603

1.5 86,262.4

055.3

23.5

61

50

56

03

57

27.4

10.6

21 029 5

40 1

56 1

66 4

22 2

6.6

344.8

0.25.0

10

1.619

2250

68

14.0

44 0

1254

3163

661.3900 3

7714.5

2.4

t-rt’tn’Ilrrarser bra nnr,tnr rh/nit r’r,clrrotrricrrctcr-n!r iv Inhic htrrrt 7)180
Notes

1) State Government agencies and commercial sources proerdad base data.

2) Thrs U. S. total does not include pre-2003 of wells (mm NV, post-2004 weOs (town PA, 2009 welts (mm KV, most post-2005 TN welts. and alt watts (torn tL and IN.3) The Rosettes and Production Dunson, Office of Ott and Gas. EtA ties ,eetawed and added inaccurate production data. 4) To be consistent between states a GOP of 6,000 (cf/Slit) for cacti yearn prndcctton was used to classify welts.

It the GOP was tess ltrwr 6,000 (cr155 1)the well was classed an owl reel. greater than or equal 0.000 (cf/bbf) warn gas wells.

5) To datennala proditctasn rate brackets for the first and last year of a yeas fife the asrnvat prodschon was dh’ided

by the number at clays I, the pto&ictiee months. For other yearn the annual p’oducttcn was divided by 365 or 300 days. 6) Gas volumes have bean convened from the eanoss state pressure bases to the Federal base (14 73 psia)

29DEC10

Subtotal ‘=15 I 296,746 83.7 287.6 16.9 2.7 186.9 8,8 I 290,354 75.0 2,258.7 10.3 21.8 ‘ 22.9 0.2

15-20 I 16,028 45 68.6 52 15.4 62.6 10.91 20,480 03 7175 33 99.0 5.5 08

2a-25 I 6543 24 610 36 19.9 426 1401 13.748 36 620.0 28 1279 00 1025-30 I 6,005 1.7 51.7 30 243 420 19.7 I 10,063 2.6 540.4 2.8 152.8 6.6 1 930-40 7650 22 03.3 49 309 618 22.91 12263 3.2 8392 3.6 196.0 72 1.7

40-50 I 4.287 1.2 59.5 3.5 396 431 28.61 7,300 19 6418 29 2554 5.1 20

18-100 I 9.074 26 1105 106 57.2 2105 66.71 15949 4.1 20789 95 3994 261 4.9

I 3.503 10 1295 76 107.6 177.0 1470 9,220 21 2086.8 95 7922 107 75

201- 400 I 1,387 04 110.1 65 2336 1293 274 1 I 4,440 1.1 22056 10.0 1,561.1 20.6 14.9

40a-aoo I 748 02 1117 88 4458 1695 676.31 2,286 06 2,1788 99 3,0904 29.6 41.9

800- 1000 I 367 01 103.1 6.1 563.5 1585 132731 1,088 0.3 1,9639 8.5 5,8863 42.4 1271

160a - 3200 139 00 769 45 1.8074 1059 2,491.4 612 02 2,279.5 104 11,728.6 629 3237

3200- 6400 I 79 0.0 60.7 5.3 3,749.5 120.4 4,875.01 320 0.1 2,313.5 10.5 21,760.3 73.8 894.4

6400- 12800 I 60 0,5 1345 79 6,955.5 2201 11,35701 67 5.5 888.7 40 41 5896 27.4 1,282.4

s 12800 I 29 0.0 132.8 78 13,767 1 241 5 25,026.1 I 13 0.0 349.5 1.6 78,465,9 135 3,045.3

Total I 354,640 800.8 l,702.0 100.0 13.4 1,971.8 15.5 I 387,203 toa.o 21,953.2 100.0 160.7 368.8 2.7

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Suhiolal <=05 I 296,470 53.2 292.2 17.2 2.7 804.4 1.7 I 280,014 74.8 2,140.0 9.5 21.5 22.7 0.2

10-20 I 16,863 4.7 93.9 5.5 15.4 71 3 11.71 19,533 5.2 58I.1 3.0 99.1 54 0.8

20-20 I 8,565 2.4 61,3 3,6 20.1 41.3 13.6 13630 3.6 6097 2.7 127.3 54 11

20-30 6,313 1 8 53.7 3.2 240 42.6 19.01 9,262 25 502.3 22 155.8 44 1.4

30.40 7,672 21 82.6 4.9 310 65.1 207) 12,635 34 548.5 38 1645 8.1 21

40-00 4,433 1.2 612 36 398 487 314) 7.526 20 6484 29 2520 71 28

50. 100 I 10,255 29 204.1 120 87.4 273.8 77.01 15,291 41 1,974,8 88 3914 212 42

000-200 I 3,197 09 1236 73 1158 131.0 12251 8,573 2.3 2.0873 83 7770 234 8.7

200-400 I 1 483 5,4 112.8 6,6 2309 138.3 283.6 I 4,446 1 2 2 147.3 9.5 1,578.3 227 167

400-900 I 830 03 1240 73 4517 1872 68171 2,625 0.7 24650 109 3.097,0 310 38.9

800-1609 I 404 01 1116 66 8527 1755 1,34021 t,303 03 2,3275 103 58944 475 1212

0600- 3290 I 124 50 667 39 1,736.8 150.0 2.6557) 673 0.2 2,419.5 107 11,5496 675 322.1

3200. 6490 p so 5.5 78.4 44 3,551 1 1152 8,195.1 I 327 0.1 2,381.4 10.8 21,038.4 77,2 711.2

6400- 62900 I 51 5.5 127.3 7.5 76883 196.1 11,638.91 55 0.0 911.5 40 41,141 1 26.2 1,160.9

>12900 24 0.0 110.3 65 14,647.4 232.0 31,24361 21 0.0 412.7 1,8 83,563.7 28.7 4423.5

Total I 388,739 000.0 8,700.2 800.0 13.3 0,997.4 80.0 I 376,428 190.0 22,507.0 100.0 170.7 399.7 3.0

Notes:

1) Slats Government agencies and commercial sources provided base data.

2) This U.S. total doss not include pre-2003 oil wells from NY, post-2004 wells from PA, 2009 wells from KY. most post-2005 TN wails, and all waifs from IL and IN. 3) The t4assrves and Production Othsion. Office of Oil and Gas, EtA has reviewed and erRed inaccurate plot*lclIon data 4) To be consistent between stafes a GOP of 6,000 (cf/bbl) for each years productroit was used 10 classIfy wells. If the GOP was less than 6.000 (cf/She the well was classed an of wall, grater than or equal 5.000 (cf/the wets gas wells. 5) To delemi are production tale braclreln for the first and last year of a wells life the ars,ual p.aoducllmt was dtwided

by the number of days hi the produclfoe msrahs. Por other years the are,ual production was ioviiad by 360 uc 368 days. 6) Gas volumas have been converted fror’n the various slate pressure bases to the Federal base (14.73 psla)

260CC 10

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Notes

I) State Government agencies and commercial sources pmvided base date

2) This U. S. total does not include pte-2003 oil wells (mm NV, post-2004 wells (mm PA, 2009 welts (mm KY. mast post-2005 TN wells. and all welts (mm II. and IN. 3) The Reserves end Pmduction Orviniror. Office of OW end Gas, EtA has renewed and edtted maccuta.Ie production data. 41 To be consistent between states a OCR of 5,000 (cf/had) (or each yearn production was used to classify welts. If the GOR was less then 6,000 (c(/bbl) the wel was classed as cdt well. ce-eater than or equal 6,000 (cf/hal) wete gas wes. 5) To datensite procisethat rate brackets for 11w fhst aid test yeerm’ a wells life the annual eoducttowr was divided

by the number of days ii the productive mmths. For other yearn the annual pmdtction was derided by 365 or 356 days. 6) Gas vrdtaees have bean coneerted (mm the vafmus state ptasoiee bases to the Fecksei base (84. 73psta).

29DEC10

Subtatat <15 I 297,400 82.8 292.3 17.2 2.7 878.0 1.7 I 258,358 73.6 1,988.8 9.9 21.7 22.9 0.2

15-20 I 16,942 47 93,7 5.5 15.4 752 12.4 I 15,637 5.3 0509 25 58.7 58 0.9

20-25 I 9359 26 699 3.9 20.5 415 t25) 12,853 3.7 878.4 2.6 1275 46 11

29-3a ) 6,331 1.8 54.1 32 241 423 18,81 9579 56 4968 22 158,1 43 ‘3

30-40 I 8041 22 88.4 5.2 31.1 57.3 2I 12,379 3.6 9396 37 1942 9,5 22

40.50 I 4.759 1.3 657 39 39.5 545 32.71 7.134 2.0 622.8 2.8 255,1 45 20

50-100 I 9,609 27 1958 115 592 217.1 6571 14,593 43 19352 96 399,3 261 6.3

860- 200 I 3.648 1 0 138.9 82 113.5 1646 1336 I 7,618 22 1,9443 8.7 766.4 19.8 8.0

288-400 I 1 510 0,4 114.5 6.7 2293 1366 2811 4 170 1.2 2021.9 9.1 1,5795 203 166

400’800 I 671 0.2 1294 76 4836 1894 6639) 2,658 08 2.5127 112 3,133.3 309 36.5

800-8600 I 452 51 129.5 76 6675 197.1 1,32041 1 407 54 24880 110 5,9421 556 1219

0600-3200 ) 147 00 74.5 44 1.6596 I160 2,643.51 754 5.2 2,552.8 112 11,4926 72.7 3339

3200- 8400 ) 67 50 68.7 4 I 3,6551 155.0 5,557.5 I 345 5.1 2,4446 15,9 21,8532 81.5 7263

MOO- 82800 I 34 5.0 76.2 45 7,4053 1329 12,9t6.8 78 50 1,1082 50 41,004.8 33.4 1.2359

v t2800 I 21 00 112.3 6.6 IS 091 5 2286 30,708.3 I 13 5.0 2400 1 1 66,635.8 161 4 482.0

Tatat I 359,588 100.0 1,702.4 100.0 13.2 1,838.3 85.1 I 348,517 180.0 22,337.0 100.0 888.7 403.4 3.3

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Subtotal <=15 I 298,903 82.8 286.8 16.7 2.7 974.7 1.6 I 254,278 74.2 1,920.8 8.8 21.2 23.5 0.3

15- 20 I 16.295 45 952 53 15,4 76.3 13.0 ( 17.485 5.1 611.3 2.8 98.5 55 59

20-25 ( 15577 29 723 42 255 51.6 142( 12,171 35 547.5 2.5 1251 43 1525-30 ( 6,594 1 7 54.0 3 1 24.5 34.6 15.9 I 8,917 2.6 459.5 2.2 155.4 4.1 1 3

30-40 ( 9,299 23 950 52 354 79.3 23.71 11,575 34 515.2 37 199,3 62 1540-50 I 4,809 1.3 679 4.5 39.7 537 31.41 7,199 21 635.6 2.9 2551 5.2 2.1

50- 900 ( 9,261 2,9 191 9 112 591 220.2 55I 14,751 4.3 1,914.2 8.8 3849 238 48

000- 200 ( 3,835 1.1 1465 87 111.5 1677 125.51 7,584 2.2 1,957.3 5.7 7821 255 8.4

200- 400 ( 1,439 04 1127 66 231 4 1337 2747 I 3.955 1.1 1,925.4 8.8 1,569.0 20.6 16.5

440- 800 ) 843 0.2 127.9 7.5 453.4 185.5 657,4 I 2.477 0.7 2,385,4 11.5 3,132.6 30.5 38.3

800- 1600 485 01 138.8 8.1 573.5 211.5 1,335.51 1,347 0.4 2,496.5 11.4 5,977.6 473 113.2

9800- 3205 ( 176 0.0 949 5.5 1,6797 186.2 717 0.2 2,535.5 11.6 11,2192 781 335.8

3200- 6400 ( 65 0.5 65.1 3.8 3,5452 104.3 5,685.6 I 330 0.1 2,342.1 15.7 21,3235 634 759.5

6400- 92800 ( 35 0.0 825 4.8 7,3431 1487 13 232.1 I 76 5.5 1,055.9 4.6 45,8945 31 5 1,212.3

5 12800 ) 19 5.5 927 5.4 15,372 1 196,4 32,575.3 I 9 0.5 222.2 1 0 76,531.7 10.1 3,442.6

Total I 358,710 900.0 1,715.9 900.0 03.4 1,985.4 15.51 343,174 100.0 21,810.5 100.0 180.2 392.9 3.2

Notes:

1) Stale Government agencies end commercial sources provided base data.

2) This U.S total does not include pre-2003 oil wells from NY, post-2004 walls front PA, 2009 wells from KY, most post-2005 TN wells, and all wells front IL and IN.

3) The Reserves and Ploduction Dhdsion, Office of Oil and Gas, EtA has reviewed and edited inaccurate production data.

4) To be consistent between slates a GOR of 6,040 (cf/bbl) for each yearn production was used to classify wells.

If the GOR was less than 6.000 (cf/toil) the well was classed an cit well, greater then or equal 6,000 (cfflsbi) were gas wells.

5) To deteno are production rate brackets for the first and test year of a wells life the anrasat production was divkted

by the number of days in the productl’ve months. Por other years the annual productlot was divided by 385 or 366 days.

6) Gas vo1ranes have been canvefled from the various state pressure bases lathe Pederat base (1473 psle).

20DEC10

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Notes:

1) Slate Government agencies and commercial sources pi’ovided base data

2) This U.S. total does not include pre-21Xt3 oil wells from NY. post-2004 ivells from PA. 2009 waIls (mm KY, most post-2005 TN wells, and all wells (roan IL and IN.SI The Reserves and Production Division. Office of Oil and Gas, EtA has reviewed and edited Thacc orate production data 4) To be consistent between stales a GOP sf6,000 (cf/bbl) for each yearn production was used to classify wells

If the GOP was tess than 6,000 (cf/bbl) the welt was classed an oil welt. (Xealer than or equal 6,0(X) (clibbll wets gas weds, 5) To detenn ins ptsduction tate brachets for the first and lest yeer of a wells life the annual production was divided

by the number of days hi the productive months. For other years the annual production was divided by 265 or 366 days.

6) Gas volumes have been conue,tad from the various state piessurn bases to the Federal bass (14.73 pine).

29DEC10

Subtotal s=15 I 309,800 81.9 290.1 16.4 2.7 171.1 1.01 250,211 73.9 i,aae.s u.s 21.1 24.0 0.3

15.20 I l0.220 43 09.1 4.9 153 741 1271 16,711 49 5942 2.6 905 55 09

20-25 I 12,053 34 914 61 198 702 152I 12,055 36 5439 25 1279 44 IS25.30 ) 7,996 2.1 70.2 39 24.5 524 10.5) 8.736 26 402.7 22 156,6 4.0 1 3

30-40 I 9.216 2.4 1001 05 35.5 761 232 I 11547 3.4 0076 36 1576 67 1.6

48-50 I 4,540 13 60.7 30 40.2 50.5 29.71 7,243 2.1 6406 29 2560 5.4 2.1

50-100 I 9.659 26 250.5 111 592 2305 05.1) 15,074 45 1962.3 8.5 3836 249 49

tOO- 200 I 4,153 1.1 167.7 9,3 1150 182,6 127.3 I 7,495 23 1,952.9 6.0 781.0 23.0 92

200- 400 ) 1,664 0.4 130.2 7,2 2334 1440 250.6 ) 4 167 1 2 2,0596 53 1,565.0 236 179

400. 800 I 887 0,2 157.6 7.6 455.2 1776 591.4 ) 2,412 07 2 577.3 107 3,157.9 28.7 382

800- 0600 ) 500 5.1 149.0 6.2 9789 227.1 1,339.71 1 398 0.4 2,5909 11,7 5,921.1 52.0 1164

t600 .3200 I 205 5.1 110.1 6.1 1,6955 171.5 2,641.4 I 736 0.2 2,599.2 11 7 11,154,7 79.4 340.8

3200-6400 I 54 5.0 57.9 32 3,5170 694 5,431 4 I 353 5.1 2.3775 157 20 916.1 94.1 826.0

6400- 12800 I 36 0.0 847 47 7,023.1 138.2 11,465.4 I 89 00 1 181 4 53 40,562.0 354 1.213,7

5 12800 I 13 5.0 54.2 3.0 14.3536 115.6 31,6376) 6 50 110.0 05 67,0647 7.0 4,753,7

Totat I 378,104 000.0 2,007.7 000.0 13.4 0,976.8 04.71 338,531 100.0 22,168.1 000.0 185.1 418.8 3.5

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Notes

1) State Government agencies and commercial sources provided base data.

2) This U S tidal does not nv/ode pre-2003 oil welts from NV. post-2004 wet/s (rorrr PA. 2009 wetts (mm KY, mast post-2005 TN welts, arid ett wells (rain tL and IN. 3) The Reserves and Production Division, Office of Oil and Gas, 0/A has reviewed and edited Inaccurate production data. 4) Ta be consIstent between states a OCR at 6,000 (c(vhbl) for each yeals production was used ta classify watts. It the OCR was less than 6.500 (cf/bbO the reel was classed an cit weE Neater than or equet 6 000 (cf/t,bt) were gas wells. 5) Ta detennbte proctsctton rate brackets (or’ the Tnt rerd last year of a wells life the annual production was divided by the number of days is the productive months. Par other years the annual production was divided by 365 or 360 days. 6) Gas vo6,erras have been concerted (rain the various stale pressure bases to the Federal base (14 73 psia)

29DEC10

Siditotat 0=05 I 316,761 61.7 350.6 16.6 17 102.2 5.6 I 241,933 73.3 tat 6.3 6.1 21.1 24.1 0.3

15-20 I 14,939 3.8 829 4.4 ‘00 069 10.71 15,002 4.6 5492 20 90.3 5.4 10

20-23 I 14.302 37 101.9 9.5 196 90.1 15.91 11,472 3.5 9150 3.3 /37.4 47 12

23’JO I 9,069 23 79.1 42 255 573 1771 9.644 26 4762 21 /568 36 1330-40 I 9334 24 100.2 54 30.5 769 2341 11.938 36 9197 36 1973 70 17

40-50 I 4,705 1 2 65.2 35 39.9 46.4 28.4 I 7,586 2,3 0604 2.9 250.7 8.0 3.0

50- 100 10,075 29 221,0 119 567 2624 6971 15,016 46 I 954.8 0,7 3056 22,0 4.4

100- 200 I 4,362 1.1 173.9 9.3 116,1 181 5 123.31 7,907 2.4 1,942.5 0,0 772.2 24.3 95

200- 400 I 1,603 04 /29,4 6,9 2364 136.6 249.6 I 4,499 1.4 2,2006 98 1,553,8 250 18.3400- 900 I 1 020 0.3 152.9 5.3 4614 251,4 60791 2 434 5.7 23451 155 3.1263 28.9 39.3

800-1600 I 058 0.1 1073 94 876.6 242.0 1 302.1 I 1,491 05 2,7199 131 5,9030 51.8 1135

1606-3200 I 223 0.1 /233 6.6 1,7669 175.9 2,5663 I 761 0.2 2,7253 122 II 2426 079 362.7

3206’ 6400 I 75 0.0 71 8 3.8 3,2648 1295 0,892.4 I 314 0.1 2.2066 9.8 21.0259 889 847.5

6400- 12660 I 31 0.0 76.2 4 1 7,5203 102.0 10,111.9 80 0.5 1,1890 53 38,581.4 463 /524.3

u 12000 I 6 58 22.7 12 13,2801 34.1 1998601 12 0.0 2400 1.1 72,308.7 95 27955

Total I 390,022 100.0 1,666.2 100.0 13.5 1,066.2 14.2 I 326,666 100.0 22,414.0 100.0 193.1 439.0 3.8

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Subtotal 4=15 I 317474 81.6 389.4 lt.4 2.7 883.1 1.6 I 227,631 72.7 1,721.7 7.8 21.1 24.0 0.3

15-20 I 15,111 39 843 4.5 15.6 574 15.61 15,113 48 5221 24 973 5.8 ii

28-25 I 13,345 3.4 993 5.1 201 688 1431 11,026 35 496.0 2.2 1269 47 1.2

21-30 I 9117 23 788 42 241 596 1831 8.359 27 4607 2.1 155.4 43 15

I 15.295 25 1117 5.9 35.5 815 22.21 11,335 36 7840 35 1974 6.7 17

40-50 I 5.154 1.3 718 3.8 395 573 3151 7640 24 863.4 30 249.3 85 33

50-800 I 15,407 27 2182 Il 9 601 345,9 6861 14,955 48 1 951.5 8.0 3872 22.4 44

108-200 I 4.446 1.1 170.2 90 112.4 180.7 119.31 7.749 25 1,964,5 89 776.5 23.9 95

200-400 j 1,531 05 137.2 7.3 225.1 1751 2522 I 4.343 1 4 2 168.4 9.5 1.5554 257 184400-800 I 962 0.2 146.1 77 4602 1881 592.51 2495 56 24592 111 3,130,0 299 36.1

800- leOO I 617 02 171 5 91 859.1 2745 1,375.81 ¶451 05 2.6758 121 59430 49.3 109.4

1600- 3200 I 210 0.1 113.2 6.0 1,674.1 1952 2.6123 I 715 02 2,569.2 11.7 11,372.3 82.8 3636

3200- 6400 I 82 0.0 91.3 48 3,4006 1461 0,521.51 355 01 24975 11 3 209748 1537 875.9

6400- 12800 I 34 00 75.1 40 7,234.0 111.6 10,755.1 I 80 0.0 1,002.5 4.5 38,479.0 44.3 1,6686

= 12800 I 4 0.0 11 0 06 11,206.3 18.7 ¶9,105.6 I 7 0.0 209.3 09 81,684.1 7.6 2,974.0

Total I 389,120 100.0 1,886.1 100.0 13.6 2,044.7 14.71 313,268 100.0 22,195.8 100.0 199.9 444.0 4.0

Notes:

I) Slate Government agencies and cmnmercral sources pmuided base date

21 TNs lJ.S total does not include pre-2003 oil wells (mm NV, post-2004 wels (mm PA, 2009 wells (mm KY, most post-2005 TN wells, and all wails (mm IL and IN 3) The Reserves arid Ptodsctio,s Divtsimi, Office of Oil and Gas. EIA has mviewed ext edited b,accurate pmdsction data. 4) To be consistent between states a GOR of 8,000 (cf/bbl) for each years pmdoction was used to classify wells. If the GOP was tess than 5000 (cf/bill) the well was classed en oil welt eater than or equal 6,000 (c(Ibht) were gas wells N To detemiits production rate brackets for the fist and last year of a wells life the annual pmductisn was divided by the number of days In the productive months. For other years the annual production was divided by 365 or 396 days. 61 Gas eotsrnas have (men converted front the various state p.-essure bases 10 the FedetaJ base (14.73 psta).

29DEC50

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Subtotal <=15 I 316,742 81.1 314.8 16.4 2.8 187.9 6.7) 216,437 72.2 1,646.1 7.7 21.3 23.7 8.3

15-20 ( 14,790 38 821 4.3 156 944 103) 15,664 52 634.3 2.6 960 7.0 I3

26-23 ( 12.681 33 91.0 4.7 20.0 69.4 153 I 10,671 35 472.7 2.2 1264 4.9 1.328-30 I 9656 2.5 84.4 44 244 55.4 16.91 7933 2.6 432.7 20 1547 4.0 1.6

30-48 I 10.472 27 1140 59 306 807 217) 10,753 36 7423 3.0 1970 67 18

40-58 I 5,363 14 723 38 367 640 34.3) 7,074 2.4 6276 29 2000 93 2.1

so- too i 11,430 3.0 2372 124 59.2 2696 6731 14,426 4.8 1 937.3 91 3914 193 39

100-200 I 4.505 1,3 164.3 8.6 109.3 222.1 143.8 I 7,643 2.6 1.985,6 93 781 8 22.6 6.9

200-400 I 1,686 0.9 141.6 7.4 2250 173.2 275.2 I 4,248 1.4 2.1094 10 I 1,557.3 262 18.6

400-800 J 952 0.2 47.1 7.7 4674 187.6 695.9 I 2,418 06 2,414.6 11.3 3,1113 296 36,1

800- 1600 609 52 180.2 94 9022 259.8 1.3010) 1 383 05 2,671 7 12.5 5,6443 47.2 109.1

8600- 3200 I 227 51 117.8 91 1.6704 210.1 3,059.31 662 0.2 2,436.8 11.4 11.3059 798 3702

3200- 6400 I 73 00 860 4.4 3783,4 11.5 4.66501 327 0.1 2,278.6 106 20.7799 1099 1,002.6

6400- 12806 I 38 0.0 89.3 46 6,940.8 119.9 8,314.9 I 74 0.0 969.4 45 37,7162 47.8 1,8799

012980 I 0 0.0 0.0 0.0 5.0 0.0 55) 6 0.0 1984 09 90.6143 7.3 3330.4

Total I 364,364 100.0 6,920.9 100.0 04.0 2,073.5 15.2 I 299,639 600.0 26,397.4 100.0 202.0 441.9 4.2

Notes:

I) State Government agencies and commercial sources provided base data,

2) This U.S. loteidoe.s nol include pre-2003 oil woOs (trim NY. posl-2004 wefls (mm PA 2009 we/Is (mm KY, most post-2005 TN wells, and all woOs (mm II. and IN. 3) The Reserves end Ploduct.sn DMSI00. Office of Oil and Gas. EM has revewed arId toted krecctaate ptoriaclion dale 4) To be consistent between slates a GOP of 0,500 (cffbbl) (or each yearn production was used to classify wells. If the GOP was less than 6,000 (c(/bbl) the weil was classed an oil well, wealer than or equal 6,000 (c(/bbl) were gas wells. 5) To detennine productkin rate brackets (or the fist and last year of a wells life the annual production was dhrkled by the number of days hr the productlee months. For other years the annual produclion was t*eided by 365 or 366 days. 6t Gas volumes have been coneerled (mm 11w varIous stale pressure bases to the Federal bane (94.73 pale)

29DEC70

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