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RATLIFF, SALLIE W.

Operated by SLANT OPERATING, LLC (P-5 786697) in the HEADLEE, N. (DEVONIAN) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 9963District 08Field 39971500Hydrogen sulphide fieldOilCasinghead gasSaveExport
Value, all time
$32.3 M
Jan 1993 – May 2026
Value, last 12 filed months
$123 k
at the published price for each month
Months reported
401
no gaps in the span
Streams
2
oil, casinghead gas

The HEADLEE, N. (DEVONIAN) field

The Railroad Commission's own record for the field this lease produces from, including the spacing rule that governs how close together its wells may be drilled.

These are facts about the field, not about this lease. The field holds 35 leases and 73 wells, and the rule below applies to all of them.

Discovered
1956-04-04
as the register files it
Field class
Oil and gas
the register's own label
Between wells
1,320 ft
minimum
From a lease line
660 ft
minimum

A drilling unit in this field needs at least 80 acres. The field rule took effect on 1957-07-19.

The register flags this field for hydrogen sulphide. That is a poisonous gas that occurs naturally in some formations. The flag is a property of the field as the Commission records it. It is not a measurement taken at this lease, and it is not a statement that gas is escaping anywhere.

The Commission's schedule remark for this field reads: “FIRST GAS WELL IN AN OIL FIELD.”

What this lease produced, and what it was worth

Oil and condensate are valued on the volume the state records as disposed of; gas and casinghead gas on the volume produced. They are different columns of different files, and the difference is not cosmetic.

StreamBasisVolumeValue
OilDisposition405,284 bbl$18,825,540
Casinghead gasProduction3,473,255 Mcf$13,449,891
Total$32,275,431

438,470 Mcf of this lease's gas, across 47 months, carries no value here. No free Texas wellhead gas price exists before 1997, so those months are left out of the total rather than valued at zero. The total above is therefore a floor, not an estimate.

Wells on this lease (13)

Every wellbore the Railroad Commission records against this lease key, with the depth, the last completion and the plug date exactly as filed. A well with no plug date is not stated to be producing — the state files no such flag.

These wells centre on 31.9510, -102.3629. A lease has no coordinate of its own — that point is the mean of its wells, and they span 2.1 miles.

31.94770, -102.36239 · centre of the wells drawn, derived

What these wells add up to

Every figure below is counted over all of this lease's wells, not over the rows listed above. The Railroad Commission files two facts about a well's state — a plug date and a proration-schedule flag — and a well can carry both, so they are published as separate counts and never merged into a status.

On the schedule
92.3%
12 of 13 wells
With a plug date
69.2%
9 of 13 wells
Median depth
12,500 ft
12 wells filed one
Completion to plug
34.8 years
median over 5 wells

What the state filed about each well

On the RRC proration schedule
1292.3%
A plug date is filed
969.2%
BothOn the schedule and plugged. Neither fact cancels the other.
969.2%
NeitherNo plug date, and not on the schedule.
17.7%

A plug date is the date the Commission recorded the wellbore as sealed with cement and abandoned. It is the only end-of-life fact Texas files. There is no "active" flag on a well, so this page does not print one — a well with no plug date is not stated to be producing.

How deep they were drilled

Total depth in feet, 12 of 13 wells. Median 12,500 ft, with the middle half between 12,337 and 13,674 ft; the shallowest is 10,869 ft and the deepest 13,822 ft. The median is published rather than the mean, because a single mis-keyed depth moves a mean and cannot move a median.

When they were last completed

Last completion by decade, 10 of 13 wells, Aug 1981 – Nov 2024. This is the LAST completion filed on each wellbore, not the first — a well recompleted in 2019 counts once, in the 2010s.

Completions filed
Aug 1981 – Nov 2024
10 of 13 wells; 3 filed none
Plug dates filed
Jul 1986 – Jun 2026
9 of 13 wells; 4 filed none

Last completion to plug: a median of 34.8 years across the 5 wells that filed both dates, with the middle half between 21.5 years and 39.1 years. A further 2 wells are excluded, because the last completion the Commission holds for them is dated after the plug date. Both dates are the latest of their kind on the wellbore record and they are filed separately, so the two need not run in order. The gap is the distance between two filed dates — it is not a statement of how long the well produced.

13 wells

42-135049971———Yes
42-13520383812,206 ft—Feb 2021Yes
42-13520824712,297 ft—Dec 2020Yes
42-13505000410,869 ftNov 2024Jan 1996Yes
42-135050031R13,552 ftNov 2024Jul 1986Yes
42-135340811213,822 ftJun 2016Sep 2024Yes
42-13505002613,795 ftOct 2003Apr 2025Yes
42-135336291112,500 ftNov 1990—Yes
42-135049993 U13,640 ftAug 1987—Yes
42-13530193912,350 ftSep 1986——
42-13504998212,500 ftNov 1985Sep 2020Yes
42-13505001513,775 ftJun 1985Jun 2026Yes
42-135336301012,400 ftAug 1981Sep 2020Yes

The API number is the state's, prefixed 42 for Texas. A well is matched to this lease by the lease key the Commission files on the wellbore record, so a well that has moved between leases appears under each one it was filed against.

Every month this lease reported (401)

Volume × price = value, one row per cycle. The price columns are the same series published on the prices page — nothing here is modelled.

401 months

May 20262420106.413.05$25,751
Apr 2026471098.932.87$46,596
Mar 2026401089.753.15$35,990
Feb 202657063.503.75$3,620
Jan 20267059.138.00$414
Dec 202517056.664.41$963
Nov 202516058.593.93$937
Oct 202528059.383.30$1,663
Sep 202523062.743.08$1,443
Aug 202534063.933.01$2,174
Jul 202528066.743.32$1,869
Jun 202522066.483.13$1,463
May 202537060.553.23$2,240
Apr 202522062.363.54$1,372
Mar 2025337767.704.27$2,563
Feb 20252315770.884.34$2,312
Jan 20253614974.324.28$3,313
Dec 20242914868.993.12$2,463
Nov 20247513869.052.20$5,482
Oct 202419119371.372.28$14,072
Sep 202410717869.612.36$7,869
Aug 202413527775.632.06$10,782
Jul 202412330179.932.15$10,478
Jun 202410523178.082.63$8,807
May 202415536178.812.20$13,009
Apr 202414129884.451.66$12,402
Mar 202415249780.301.55$12,974
Feb 202415018976.091.78$11,751
Jan 202417611273.023.30$13,221
Dec 202315320171.262.61$11,428
Nov 2023999477.892.81$7,975
Oct 20231519685.443.09$13,198
Sep 20232121,07589.042.74$21,817
Aug 202313897380.522.67$13,712
Jul 202321083774.852.64$17,930
Jun 202310489968.962.26$9,202
May 20231731,27870.622.23$15,064
Apr 20232071,31278.122.24$19,107
Mar 202319877472.852.39$16,277
Feb 202320870475.112.47$17,359
Jan 202320891576.533.39$19,018
Dec 202223888176.415.73$23,233
Nov 20222431,37085.005.65$28,390
Oct 20222071,21487.185.86$25,165
Sep 20222401,01184.888.16$28,625
Aug 202223551694.529.13$26,922
Jul 20222049101.587.54$20,790
Jun 20222040115.097.98$23,478
May 2022202222109.378.43$23,965
Apr 2022204540104.226.84$24,953
Mar 20222401,778108.885.08$35,157
Feb 20222071,20991.054.86$24,722
Jan 20223061,68281.844.54$32,675
Dec 20213041,72371.323.90$28,399
Nov 20212921,03377.435.24$28,019
Oct 202130090879.795.71$29,125
Sep 202130587169.865.35$25,968
Aug 20213722,28766.024.22$34,212
Jul 20213342,41470.783.98$33,253
Jun 20213031,68769.493.38$26,759
May 20214361,51463.483.02$32,246
Apr 20213061,88760.362.76$23,675
Mar 20214352,26261.302.72$32,811
Feb 20213071,98357.805.55$28,746
Jan 20214403,41250.412.81$31,769
Dec 20204041,92744.642.68$23,190
Nov 20203723,73238.772.71$24,523
Oct 20204743,56536.972.48$26,359
Sep 20203732,36937.091.99$18,551
Aug 202002,04639.982.39$4,880
Jul 20204092,66438.371.83$20,555
Jun 20208422,45134.901.69$33,529
May 2020752,21216.921.81$5,283
Apr 202002,32714.751.80$4,199
Mar 20203661,67930.341.86$14,221
Feb 20202192,29249.881.98$15,463
Jan 20203802,74057.252.09$27,495
Dec 20193992,98159.012.30$30,414
Nov 20193772,59355.302.75$27,981
Oct 20196183,59553.472.42$41,739
Sep 20196233,72555.052.66$44,195
Aug 20193403,94153.112.30$27,139
Jul 20193993,48456.272.46$31,023
Jun 20193753,62852.782.49$28,831
May 20194314,04058.482.74$36,276
Apr 20194573,67162.632.75$38,720
Mar 20194643,62556.803.06$37,455
Feb 20196102,80050.852.79$38,837
Jan 20195843,82846.033.23$39,239
Dec 20187804,74446.594.19$56,196
Nov 20186954,17652.934.24$54,481
Oct 20187214,13461.443.40$58,346
Sep 20186014,48059.543.11$49,707
Aug 20187034,57159.403.07$55,775
Jul 20186544,28265.142.93$55,156
Jun 20185884,50260.183.08$49,238
May 20186535,05365.382.90$57,351
Apr 20188265,01763.842.90$67,285
Mar 20186624,72561.222.79$53,695
Feb 20187424,42361.782.77$58,075
Jan 20188374,83862.874.01$72,019
Dec 20177184,89057.272.92$55,406
Nov 20178804,16155.423.12$61,745
Oct 20178004,90649.292.98$54,070
Sep 20177904,71947.523.09$52,110
Aug 20176694,17845.373.00$42,905
Jul 20177814,47243.873.09$48,069
Jun 20177613,31742.493.09$42,575
May 20176824,77545.373.26$46,525
Apr 20178364,34847.933.21$54,034
Mar 20178095,24246.772.98$53,477
Feb 20179095,04650.452.95$60,758
Jan 20179135,19949.413.42$62,886
Dec 20167802,67848.763.72$48,003
Nov 20168403,90342.492.64$46,013
Oct 20167143,44746.193.09$43,632
Sep 20168215,34941.553.10$50,698
Aug 20168866,19941.442.92$54,844
Jul 20167796,31441.622.92$50,886
Jun 20167626,54545.352.69$52,135
May 20169246,98742.521.99$53,200
Apr 20169276,44236.561.99$46,717
Mar 20161,0556,77533.011.79$46,980
Feb 20169076,95726.472.06$38,365
Jan 20169493,13127.352.36$33,358
Dec 20156628,56532.362.00$38,564
Nov 20156317,24738.792.17$40,183
Oct 20156524,83343.552.43$40,122
Sep 20156346,83342.992.76$46,104
Aug 20156947,15840.162.87$48,432
Jul 20159337,88748.152.95$68,152
Jun 20151,1088,01456.152.88$85,317
May 20151,1425,77455.212.96$80,115
Apr 20159018,04249.822.71$66,654
Mar 20151,0878,22142.892.93$70,748
Feb 20155736,22244.662.98$44,108
Jan 20158526,19743.433.10$56,217
Dec 20148906,45554.693.59$71,856
Nov 20148876,88670.464.25$91,776
Oct 20141,0876,70478.303.90$111,264
Sep 20148839,09986.164.05$112,889
Aug 20141,1599,45289.394.04$141,743
Jul 20141,1938,88496.564.18$152,328
Jun 20146198,34798.164.74$100,300
May 20141,1006,89594.734.73$136,793
Apr 20149338,11495.944.81$128,533
Mar 20149798,27695.895.06$135,726
Feb 20141,0028,49897.406.19$150,214
Jan 20141,0429,76590.404.86$141,662
Dec 20131,0868,89791.824.35$138,458
Nov 20131,0486,99788.853.74$119,272
Oct 20131,0558,87397.423.78$136,312
Sep 20131,0596,775104.113.72$135,440
Aug 20131,1009,997104.253.52$149,891
Jul 20131,19610,006102.523.72$159,814
Jun 20131,00212,11594.403.93$142,242
May 20131,27011,54294.834.15$168,323
Apr 20131,24811,97793.964.28$168,555
Mar 20131,0889,13493.623.91$137,599
Feb 20131,1958,04691.233.42$136,536
Jan 20131,3479,26691.603.42$155,074
Dec 20121,37512,02086.773.42$160,419
Nov 20121,39910,43686.953.62$159,473
Oct 20121,34910,11189.383.40$154,948
Sep 20121,1279,10894.672.92$133,274
Aug 20127228,01792.662.91$90,215
Jul 20121,1479,91985.133.02$127,607
Jun 20128558,89979.822.52$90,663
May 20129709,12291.612.49$111,560
Apr 20121,0919,456101.652.00$129,782
Mar 20121,1208,187105.052.22$135,848
Feb 20121,1477,894101.102.57$136,251
Jan 20121,4928,77298.092.73$170,334
Dec 20111,3108,40996.873.24$154,143
Nov 20111,2627,95895.723.31$147,150
Oct 20111,3308,99784.983.65$145,849
Sep 20111,1877,88883.623.99$130,697
Aug 20111,1367,69983.404.15$126,688
Jul 20111,12111,48894.144.52$157,425
Jun 20111,01510,07892.904.64$141,054
May 20111,41211,00998.134.40$187,052
Apr 20111,3819,086105.964.33$185,703
Mar 20111,2668,39996.364.06$156,069
Feb 20111,1868,55585.644.18$137,329
Jan 20111,49110,22286.504.59$175,878
Dec 20101,51210,54485.734.35$175,466
Nov 20101,35510,08880.843.80$147,825
Oct 20101,59211,23378.103.51$163,751
Sep 20101,52511,06372.633.98$154,786
Aug 20101,59811,34473.684.42$167,874
Jul 20101,62012,21072.554.74$175,364
Jun 20101,60812,00670.364.91$172,093
May 20101,4379,87971.124.24$144,039
Apr 20101,25510,62081.694.12$146,304
Mar 20101,12310,88778.394.39$135,811
Feb 20101,0099,93373.585.44$128,301
Jan 20101,3079,91874.365.96$156,340
Dec 20091,10612,00271.445.48$144,829
Nov 20091,27711,47774.593.75$138,307
Oct 20091,36312,16272.544.11$148,861
Sep 20091,11011,23465.543.06$107,179
Aug 20091,20013,62567.423.22$124,756
Jul 20091,3198,59661.133.46$110,411
Jun 20091,1302,87766.163.90$85,967
May 20098323,17254.743.93$57,996
Apr 20098212,23146.773.59$46,402
Mar 20091,1276,50742.144.06$73,904
Feb 20091,0036,31332.814.63$62,157
Jan 20091,1047,88135.865.37$81,918
Dec 20081,2998,00237.105.98$96,022
Nov 20081,2908,07455.496.86$126,973
Oct 20081,2677,81175.246.92$149,397
Sep 20081,2487,656101.767.88$187,303
Aug 20081,0047,196114.228.48$175,721
Jul 20081,0887,362131.0811.39$226,464
Jun 20089667,119131.3313.03$219,644
May 20089897,004123.1711.57$202,881
Apr 20081,0027,117110.3110.45$184,938
Mar 20081,1097,894101.909.66$189,295
Feb 20081,0476,85092.538.77$156,957
Jan 20081,3237,96390.388.21$184,915
Dec 20071,2708,00988.337.30$170,661
Nov 20071,1037,40391.677.29$155,092
Oct 20071,1377,77582.856.92$148,019
Sep 20071,0887,54775.846.24$129,639
Aug 20071,2078,00869.066.39$134,510
Jul 20071,1117,61970.906.39$127,440
Jun 20071,1847,51862.007.55$130,157
May 20071,1007,36658.747.85$122,410
Apr 20071,1617,45559.617.81$127,395
Mar 20071,1877,22256.927.30$120,299
Feb 20071,3388,83255.108.22$146,288
Jan 20071,3779,80450.306.73$135,213
Dec 20061,4519,91956.656.92$150,823
Nov 20061,4379,89454.207.62$153,253
Oct 20061,1179,81754.906.01$120,361
Sep 20061,15210,00760.085.04$119,619
Aug 20061,3159,88468.717.34$162,901
Jul 20061,10210,33769.376.34$142,011
Jun 20061,07710,42666.286.38$137,942
May 20061,24310,07266.016.42$146,763
Apr 20061,30511,97264.397.36$172,149
Mar 20061,0581,18156.707.08$68,354
Feb 20061,0929,77757.597.75$138,671
Jan 20061,33912,39560.598.93$191,859
Dec 20051,35612,88754.9413.42$247,383
Nov 20051,38513,46154.6910.59$218,276
Oct 20051,42813,69758.3413.80$272,270
Sep 20051,43614,47661.4512.08$263,098
Aug 20051,38613,10761.519.80$213,660
Jul 20051,28411,30255.697.84$160,155
Jun 20051,21912,48252.337.38$155,920
May 20051,34813,31845.226.65$149,537
Apr 20051,39113,26449.207.36$166,067
Mar 20051,40324,20850.377.15$243,874
Feb 20051,25713,31145.226.31$140,860
Jan 20051,27714,80343.166.32$148,703
Dec 20041,26914,99739.866.75$151,828
Nov 20041,29013,62545.286.33$144,663
Oct 20041,28213,11249.706.52$149,141
Sep 20041,49915,00443.245.28$144,096
Aug 20041,57414,51042.375.55$147,230
Jul 20041,63715,07238.286.08$154,365
Jun 20041,28313,41936.106.43$132,641
May 20041,46814,08037.486.49$146,464
Apr 20041,10313,91234.475.86$119,523
Mar 20041,27814,45534.365.53$123,850
Feb 20041,23314,34632.455.51$119,052
Jan 20041,06414,70632.036.30$126,722
Dec 20031,39914,99230.266.30$136,808
Nov 20031,84517,10228.804.60$131,722
Oct 20031,14215,99428.174.76$108,296
Sep 20031,28115,74326.314.75$108,472
Aug 20031,31815,91729.765.13$120,873
Jul 20031,28216,33429.415.17$122,164
Jun 20031,18916,40428.565.98$132,102
May 20031,37016,20126.595.97$133,192
Apr 20031,34415,43726.675.41$119,317
Mar 20031,20714,94631.146.10$128,697
Feb 20031,27614,87433.487.93$160,610
Jan 20031,46516,31130.315.58$135,453
Dec 20021,50617,01126.914.85$123,094
Nov 20021,53916,83224.664.14$107,585
Oct 20021,40815,89426.464.23$104,473
Sep 20021,14513,88127.443.64$81,879
Aug 20021,33115,47525.963.16$83,518
Jul 20021,48116,37424.583.06$86,536
Jun 20021,49516,43823.733.34$90,350
May 20021,44916,11424.663.58$93,485
Apr 20021,47816,34223.653.51$92,353
Mar 20021,50917,32222.003.10$86,943
Feb 20021,38716,08518.222.38$63,484
Jan 20021,45516,68217.172.38$64,613
Dec 20011,62716,26616.932.36$66,004
Nov 20011,58616,05818.072.41$67,287
Oct 20011,49215,93919.782.53$69,820
Sep 20011,29016,31024.262.25$68,014
Aug 20011,47616,34024.873.05$86,597
Jul 20011,70515,42023.933.20$90,100
Jun 20011,44816,92824.563.82$100,298
May 20011,49417,78625.524.31$114,737
Apr 20011,64017,62624.685.34$134,516
Mar 20011,67518,53824.545.38$140,773
Feb 20011,50018,16527.755.77$146,384
Jan 20011,60017,47427.478.40$190,712
Dec 20001,42519,60026.889.12$217,105
Nov 20001,99819,71732.215.66$175,914
Oct 20001,70019,99531.235.15$155,975
Sep 20002,00219,94731.875.19$167,259
Aug 20001,97420,41429.644.54$151,204
Jul 20001,96320,91428.534.09$141,537
Jun 20001,98619,92429.304.40$145,801
May 20001,87224,01027.263.68$139,382
Apr 20001,88919,81124.513.12$108,030
Mar 20001,88517,94728.422.86$104,896
Feb 20002,22017,76227.622.73$109,744
Jan 20002,41719,07125.272.48$108,383
Dec 19992,54219,46124.282.42$108,888
Nov 19991,77819,32023.192.43$88,257
Oct 19991,72820,94720.982.80$94,983
Sep 19991,77222,29921.752.62$96,939
Aug 19991,65121,10419.262.88$92,485
Jul 19991,58722,00017.892.37$80,584
Jun 19991,52422,34015.942.36$77,062
May 19991,59821,06015.792.32$74,113
Apr 19991,96023,49415.102.21$81,472
Mar 19992,19824,68712.471.84$72,792
Feb 19991,80021,6709.981.82$57,356
Jan 19991,95620,28510.381.90$58,844
Dec 19981,93215,3949.201.77$45,073
Nov 19982,13918,49310.892.19$63,714
Oct 19981,9038,09112.421.97$39,568
Sep 19989365,85812.592.08$23,984
Aug 19981,69812,57811.301.91$43,178
Jul 19981,7219,48011.742.24$41,414
Jun 19981,3244,78511.242.24$25,587
May 19989468,75512.622.21$31,255
Apr 19988677,54413.042.51$30,206
Mar 19981,60015,72712.802.31$56,801
Feb 19981,54410,43913.952.30$45,539
Jan 19981,79710,69514.702.15$49,461
Dec 19971,5069,92116.322.41$48,498
Nov 19971,54210,02918.193.09$59,021
Oct 19971,6137,16919.253.15$53,631
Sep 19971,4367,50917.742.95$47,663
Aug 19971,2059,58617.862.55$46,011
Jul 19972,12630,41317.582.25$105,711
Jun 19971,42610,72117.242.26$48,784
May 19971,66017,18018.972.31$71,150
Apr 19972,36412,11917.882.08$67,510
Mar 19972,24410,22618.951.94$62,353
Feb 19972,1468,42020.492.21$62,545
Jan 19971,8429,23723.483.54$75,946
Dec 19962,1008,59223.32—$48,972
Nov 19961,9656,17121.97—$43,171
Oct 19962,3349,74923.31—$54,406
Sep 19962,1056,56122.22—$46,773
Aug 19962,0705,73420.26—$41,938
Jul 19961,6806,74419.55—$32,844
Jun 19963,04914,34218.73—$57,108
May 19962,71810,20019.43—$52,811
Apr 19962,0006,07821.51—$43,020
Mar 19962,4405,57319.38—$47,287
Feb 19961,9403,84616.98—$32,941
Jan 19964323,47617.07—$7,374
Dec 19955053,95617.19—$8,681
Nov 19953722,96416.00—$5,952
Oct 1995517015.43—$7,977
Sep 19954415,36116.18—$7,135
Aug 19953606,02915.92—$5,731
Jul 19952925,93915.24—$4,450
Jun 199558216,40216.41—$9,551
May 199569716,26717.56—$12,239
Apr 199543214,49417.73—$7,659
Mar 19953076,85116.44—$5,047
Feb 19954917,00916.58—$8,141
Jan 199589717,24115.92—$14,280
Dec 199492913,89015.03—$13,963
Nov 199472412,79715.90—$11,512
Oct 199466612,33115.58—$10,376
Sep 19947158,24415.29—$10,932
Aug 19944919,66816.13—$7,920
Jul 19945849,45517.56—$10,255
Jun 199477611,07017.09—$13,262
May 199463611,60215.88—$10,100
Apr 1994730114.14—$10,322
Mar 199471811,95412.46—$8,946
Feb 199492710,69612.50—$11,588
Jan 199460911,18712.66—$7,710
Dec 199395513,96112.33—$11,775
Nov 199379010,16014.49—$11,447
Oct 19935156,61215.85—$8,163
Sep 199391211,54715.03—$13,707
Aug 1993872115.66—$13,656
Jul 199367613,28415.46—$10,451
Jun 199380614,44616.79—$13,533
May 19931,00314,49317.68—$17,733
Apr 199372813,37118.05—$13,140
Mar 1993839118.14—$15,219
Feb 199381512,48117.90—$14,589
Jan 19931,16615,63916.93—$19,740

How to read this page

The arithmetic is one multiplication per stream per month. Here it is, worked, on a real row from the table above.

May 2026 — as filed, then multipliedworked
Oil                  242 bbl  × $106.41 =    $25,751
Casinghead gas         0 Mcf  × $  3.05 =         $0

────────────────────────────────────────────────────
Month total                                  $25,751

The volumes are the state's, unchanged

Every barrel and every Mcf on this page is a number the Railroad Commission of Texas published in its monthly production query. Nothing is modelled, estimated or filled in.

The dollars are a multiplication, not a valuation

Volume × a published monthly price. It is not what the operator was paid: it takes no account of a contract, a differential, a transportation deduction, or the share any one owner holds.

Oil and gas are priced differently

Oil is a Texas realisation — the crude oil first purchase price. Gas is a benchmark, because no free Texas wellhead gas series exists at any date. The prices page publishes the difference rather than correcting it away.

A lease is not a well

The state reports oil on lease and gas on well, and this page is the lease grain. 08/O/9963 is the state's own key, not one this site invented.