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WITCHER, J. E. -7-

Operated by OCCIDENTAL PERMIAN LTD. (P-5 617544) in the FOSTER field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 1558District 08Field 32309001Hydrogen sulphide fieldOilCasinghead gasSaveExport
Value, all time
$26.6 M
Jan 1993 – May 2026
Value, last 12 filed months
$146 k
at the published price for each month
Months reported
401
no gaps in the span
Streams
2
oil, casinghead gas

The FOSTER 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 53 leases and 1,622 wells, and the rule below applies to all of them.

Discovered
1935-12-01
as the register files it
Field class
Oil
the register's own label
Between wells
600 ft
minimum
From a lease line
330 ft
minimum

A drilling unit in this field needs at least 10 acres.

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: “OPTIONAL 10 ACRE UNITS,1100 DIAG.”

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
OilDisposition513,662 bbl$26,006,729
Casinghead gasProduction125,223 Mcf$566,390
Total$26,573,119

7,106 Mcf of this lease's gas, across 48 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 (16)

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 31.8474, -102.4319. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.5 miles.

31.84764, -102.43136 · 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
43.8%
7 of 16 wells
With a plug date
37.5%
6 of 16 wells
Median depth
4,200 ft
15 wells filed one
Completion to plug
33.5 years
median over 4 wells

What the state filed about each well

On the RRC proration schedule
743.8%
A plug date is filed
637.5%
BothOn the schedule and plugged. Neither fact cancels the other.
637.5%
NeitherNo plug date, and not on the schedule.
956.3%

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, 15 of 16 wells. Median 4,200 ft, with the middle half between 4,190 and 4,208 ft; the shallowest is 4,165 ft and the deepest 4,403 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, 13 of 16 wells, Nov 1959 – Jan 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
Nov 1959 – Jan 2024
13 of 16 wells; 3 filed none
Plug dates filed
Jan 1991 – Apr 2026
6 of 16 wells; 10 filed none

Last completion to plug: a median of 33.5 years across the 4 wells that filed both dates, with the middle half between 18.6 years and 45.2 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

16 wells

42-135068232W4,220 ft—Nov 1997Yes
42-135068263———Yes
42-135068274W4,175 ft—Jan 1991Yes
42-13538154104,200 ftJan 2024Dec 2024Yes
42-1353815394,200 ftMar 2022——
42-13538155114,200 ftFeb 2022——
42-1350682854,180 ftFeb 2012——
42-13541243164,403 ftFeb 2012——
42-1350682514,165 ftMar 2002——
42-13538158154,200 ftJan 2002——
42-13538157134,200 ftJan 2002——
42-13538156124,200 ftNov 2001Apr 2026Yes
42-1353815284,200 ftNov 2001——
42-13538159144,232 ftNov 2001——
42-13508981C 2W4,175 ftNov 1959Jan 2013Yes
42-1350682464,215 ftNov 1959May 2002Yes

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 202600106.413.05$0
Apr 20260098.932.87$0
Mar 2026429989.753.15$4,081
Feb 202616119463.503.75$10,951
Jan 202619127959.138.00$13,525
Dec 202517826756.664.41$11,264
Nov 202518223358.593.93$11,578
Oct 202522629659.383.30$14,398
Sep 202518229462.743.08$12,323
Aug 202525930563.933.01$17,477
Jul 202544858766.743.32$31,846
Jun 202525731566.483.13$18,071
May 20256713860.553.23$4,503
Apr 20259010062.363.54$5,967
Mar 202535351067.704.27$26,075
Feb 20251228470.884.34$9,012
Jan 202545112174.324.28$34,036
Dec 202447929168.993.12$33,955
Nov 202439454669.052.20$28,406
Oct 202426549471.372.28$20,040
Sep 202418530869.612.36$13,606
Aug 202416831875.632.06$13,362
Jul 202422930579.932.15$18,959
Jun 202419828778.082.63$16,216
May 202423430278.812.20$19,105
Apr 202422530484.451.66$19,506
Mar 20241898080.301.55$15,300
Feb 20242327776.091.78$17,790
Jan 20242397473.023.30$17,696
Dec 20232387971.262.61$17,166
Nov 20232157277.892.81$16,948
Oct 20232508985.443.09$21,635
Sep 20231713989.042.74$15,333
Aug 20232058380.522.67$16,728
Jul 20232018674.852.64$15,272
Jun 20231888468.962.26$13,154
May 20232759470.622.23$19,630
Apr 202328210378.122.24$22,260
Mar 20232219172.852.39$16,318
Feb 202328310175.112.47$21,505
Jan 202330911576.533.39$24,037
Dec 20222628776.415.73$20,518
Nov 202230310085.005.65$26,320
Oct 202234011187.185.86$30,292
Sep 20222206584.888.16$19,204
Aug 20221453394.529.13$14,007
Jul 20225210101.587.54$5,358
Jun 202211420115.097.98$13,280
May 202212424109.378.43$13,764
Apr 202214726104.226.84$15,498
Mar 20221430108.885.08$15,570
Feb 20222596491.054.86$23,893
Jan 20223396181.844.54$28,021
Dec 20211544071.323.90$11,139
Nov 20211635677.435.24$12,914
Oct 20211084479.795.71$8,869
Sep 20212086169.865.35$14,857
Aug 20212399066.024.22$16,159
Jul 20212732170.783.98$19,407
Jun 20212276869.493.38$16,004
May 20214106063.483.02$26,208
Apr 20213739260.362.76$22,768
Mar 20213645561.302.72$22,463
Feb 20212525057.805.55$14,843
Jan 202152014350.412.81$26,615
Dec 202070518744.642.68$31,972
Nov 202078624738.772.71$31,142
Oct 202083026036.972.48$31,329
Sep 202080025937.091.99$30,188
Aug 202068921539.982.39$28,059
Jul 202071726938.371.83$28,002
Jun 202069520534.901.69$24,602
May 202090631716.921.81$15,905
Apr 202082631614.751.80$12,754
Mar 202081632330.341.86$25,357
Feb 202084031049.881.98$42,513
Jan 20201,03939557.252.09$60,310
Dec 20191,03141259.012.30$61,789
Nov 201996539955.302.75$54,462
Oct 20191,22051853.472.42$66,486
Sep 201972920855.052.66$40,684
Aug 201968522853.112.30$36,906
Jul 201970026656.272.46$40,043
Jun 201972528352.782.49$38,971
May 20191,08821058.482.74$64,202
Apr 20191,07839962.632.75$68,613
Mar 20191,11247056.803.06$64,601
Feb 20191,13353150.852.79$59,096
Jan 20191,49470446.033.23$71,041
Dec 20181,48455846.594.19$71,475
Nov 20181,45255952.934.24$79,223
Oct 20181,26631261.443.40$78,843
Sep 20181,12638059.543.11$68,223
Aug 201894529359.403.07$57,032
Jul 20181,17447965.142.93$77,879
Jun 20181,46050660.183.08$89,420
May 20181,31549765.382.90$87,416
Apr 20181,0171263.842.90$64,960
Mar 201867734861.222.79$42,416
Feb 201860433861.782.77$38,250
Jan 201859334562.874.01$38,665
Dec 201781451357.272.92$48,117
Nov 201780019055.423.12$44,928
Oct 201785918349.292.98$42,886
Sep 201792924547.523.09$44,902
Aug 201795328345.373.00$44,088
Jul 20171,28549843.873.09$57,910
Jun 20171,26343042.493.09$54,992
May 20171,33847845.373.26$62,265
Apr 20171,24646147.933.21$61,201
Mar 20171,43157446.772.98$68,641
Feb 20171,32244950.452.95$68,021
Jan 20171,53850949.413.42$77,733
Dec 20161,43656148.763.72$72,108
Nov 20161,22252142.492.64$53,300
Oct 20161,17348546.193.09$55,680
Sep 201690832241.553.10$38,726
Aug 201692540241.442.92$39,508
Jul 20161,24841941.622.92$53,167
Jun 20161,34344445.352.69$62,098
May 20161,28842942.521.99$55,620
Apr 201646625736.561.99$17,549
Mar 201655532833.011.79$18,909
Feb 201658242126.472.06$16,274
Jan 201671649827.352.36$20,760
Dec 201598862232.362.00$33,217
Nov 20151,20977338.792.17$48,572
Oct 20151,28758043.552.43$57,456
Sep 20151,20472542.992.76$53,760
Aug 20151,18077340.162.87$49,609
Jul 20151,16367248.152.95$57,978
Jun 20151,23659756.152.88$71,122
May 20151,24671955.212.96$70,917
Apr 20151,24669349.822.71$63,951
Mar 20151,30625242.892.93$56,754
Feb 20158368844.662.98$37,598
Jan 20158538143.433.10$37,297
Dec 20141,02010354.693.59$56,154
Nov 20141,03714070.464.25$73,662
Oct 20141,07014178.303.90$84,331
Sep 20141,07414686.164.05$93,126
Aug 20141,17211589.394.04$105,229
Jul 20141,22511896.564.18$118,779
Jun 20141,03215298.164.74$102,021
May 20141,38014994.734.73$131,432
Apr 20141,1397195.944.81$109,617
Mar 20141,14214395.895.06$110,230
Feb 20141,30922797.406.19$128,902
Jan 20141,71322290.404.86$155,934
Dec 20131,99028091.824.35$183,941
Nov 20132,00126888.853.74$178,791
Oct 20132,67231997.423.78$261,512
Sep 20131,644238104.113.72$172,042
Aug 20131,526245104.253.52$159,949
Jul 20131,634286102.523.72$168,581
Jun 20131,65527694.403.93$157,318
May 20131,73028494.834.15$165,234
Apr 20131,49324193.964.28$141,314
Mar 20131,28123793.623.91$120,855
Feb 20131,25721791.233.42$115,418
Jan 20131,29321791.603.42$119,181
Dec 20121,17516286.773.42$102,509
Nov 20121,67925686.953.62$146,917
Oct 20121,58229689.383.40$142,405
Sep 20121,57233494.672.92$149,796
Aug 20121,76238292.662.91$164,378
Jul 20121,90337185.133.02$163,123
Jun 20121,72031379.822.52$138,079
May 20121,67429191.612.49$154,079
Apr 2012863309101.652.00$88,341
Mar 2012676216105.052.22$71,494
Feb 2012727229101.102.57$74,088
Jan 201295025898.092.73$93,891
Dec 201189323096.873.24$87,250
Nov 20111,10630095.723.31$106,860
Oct 20111,18632384.983.65$101,965
Sep 20111,32533883.623.99$112,144
Aug 20111,1799383.404.15$98,714
Jul 20111,14728594.144.52$109,266
Jun 20111,43235892.904.64$134,694
May 20111,44637098.134.40$143,526
Apr 20111,376150105.964.33$146,451
Mar 20111,51334496.364.06$147,188
Feb 20111,39722485.644.18$120,575
Jan 20111,60735686.504.59$140,639
Dec 20101,51131285.734.35$130,895
Nov 20101,21330980.843.80$99,232
Oct 20101,38934878.103.51$109,702
Sep 20101,05129472.633.98$77,504
Aug 20101,21932973.684.42$91,270
Jul 20101,30640772.554.74$96,678
Jun 20101,47735670.364.91$105,670
May 20101,54434471.124.24$111,266
Apr 20101,48737181.694.12$123,003
Mar 20101,50137778.394.39$119,318
Feb 20101,33431573.585.44$99,870
Jan 20101,47832574.365.96$111,842
Dec 20091,50932371.445.48$109,574
Nov 20091,63237774.593.75$123,145
Oct 20091,73540272.544.11$127,509
Sep 20091,69842065.543.06$112,574
Aug 20091,63741267.423.22$111,693
Jul 20091,64940861.133.46$102,217
Jun 20091,76451566.163.90$118,712
May 20091,74555854.743.93$97,712
Apr 20091,67451046.773.59$80,123
Mar 20091,44831542.144.06$62,297
Feb 20091,42831432.814.63$48,307
Jan 20091,61515435.865.37$58,741
Dec 20081,63437737.105.98$62,875
Nov 20081,65242055.496.86$94,551
Oct 20081,83049075.246.92$141,081
Sep 20081,841323101.767.88$189,884
Aug 20081,862527114.228.48$217,148
Jul 20081,880550131.0811.39$252,695
Jun 20081,684462131.3313.03$227,181
May 20081,751441123.1711.57$220,775
Apr 20081,773445110.3110.45$200,232
Mar 20081,896473101.909.66$197,774
Feb 20081,90143592.538.77$179,715
Jan 20082,01842590.388.21$185,874
Dec 20071,91542788.337.30$172,270
Nov 20071,9293,19791.677.29$200,143
Oct 20072,19854382.856.92$185,863
Sep 20071,55832575.846.24$120,188
Aug 20071,48938369.066.39$105,277
Jul 20071,70143270.906.39$123,360
Jun 20071,69737662.007.55$108,052
May 20071,74943158.747.85$106,118
Apr 20071,82049059.617.81$112,315
Mar 20072,01649056.927.30$118,329
Feb 20071,77039855.108.22$100,797
Jan 20071,95944950.306.73$101,558
Dec 20061,71639556.656.92$99,944
Nov 20061,91528654.207.62$105,972
Oct 20062,26953354.906.01$127,773
Sep 20062,17956260.085.04$133,745
Aug 20062,27957968.717.34$160,840
Jul 20062,45367969.376.34$174,471
Jun 20062,53564266.286.38$172,118
May 20062,56267066.016.42$173,422
Apr 20062,44664764.397.36$162,260
Mar 20062,54160956.707.08$148,388
Feb 20062,41460357.597.75$143,696
Jan 20062,6925360.598.93$163,582
Dec 20052,7916754.9413.42$154,236
Nov 20052,7765754.6910.59$152,423
Oct 20052,6885858.3413.80$157,618
Sep 20052,8027061.4512.08$173,028
Aug 20052,80773861.519.80$179,889
Jul 20052,89874655.697.84$167,241
Jun 20052,90975652.337.38$157,808
May 20053,08380445.226.65$144,761
Apr 20053,05476649.207.36$155,895
Mar 20053,2631,57050.377.15$175,590
Feb 20052,99670545.226.31$139,929
Jan 20053,29374143.166.32$146,811
Dec 20043,29777739.866.75$136,664
Nov 20043,28976545.286.33$153,769
Oct 20043,10575249.706.52$159,218
Sep 20042,92975943.245.28$130,660
Aug 20043,05589842.375.55$134,425
Jul 20043,21994838.286.08$128,991
Jun 20043,42197336.106.43$129,757
May 20043,25795637.486.49$128,281
Apr 20043,51594734.475.86$126,710
Mar 20043,47999734.365.53$125,052
Feb 20043,19192832.455.51$108,661
Jan 20043,52898132.036.30$119,182
Dec 20033,57895230.266.30$114,269
Nov 20033,79494228.804.60$113,596
Oct 20033,59995128.174.76$105,910
Sep 20033,55798526.314.75$98,263
Aug 20033,9401,12529.765.13$123,025
Jul 20034,2311,22629.415.17$130,773
Jun 20034,1281,10128.565.98$124,483
May 20034,7091,19126.595.97$132,326
Apr 20034,6111,15126.675.41$129,199
Mar 20034,5671,21031.146.10$149,593
Feb 20034,3811,25133.487.93$156,591
Jan 20034,9031,42130.315.58$156,542
Dec 20024,6221,32726.914.85$130,819
Nov 20024,6011,32624.664.14$118,946
Oct 20025,7531,68226.464.23$159,338
Sep 20025,46120127.443.64$150,581
Aug 20025,64217125.963.16$147,007
Jul 20026,27219624.583.06$154,766
Jun 20027,30623423.733.34$174,153
May 20027,49023024.663.58$185,528
Apr 20027,49522123.653.51$178,033
Mar 20028,47020922.003.10$186,988
Feb 20028,25722118.222.38$150,968
Jan 200210,86228817.172.38$187,185
Dec 20010016.932.36$0
Nov 2001115418.072.41$2,088
Oct 20013151419.782.53$6,266
Sep 20013431124.262.25$8,346
Aug 2001385724.873.05$9,596
Jul 2001353023.933.20$8,447
Jun 2001377024.563.82$9,259
May 2001219025.524.31$5,589
Apr 2001235024.685.34$5,800
Mar 2001278024.545.38$6,822
Feb 2001278027.755.77$7,715
Jan 2001339027.478.40$9,312
Dec 2000313026.889.12$8,413
Nov 2000221032.215.66$7,118
Oct 2000292031.235.15$9,119
Sep 2000286031.875.19$9,115
Aug 2000282029.644.54$8,358
Jul 2000283028.534.09$8,074
Jun 2000276029.304.40$8,087
May 2000292027.263.68$7,960
Apr 2000270024.513.12$6,618
Mar 2000295028.422.86$8,384
Feb 2000289027.622.73$7,982
Jan 2000288025.272.48$7,278
Dec 1999304024.282.42$7,381
Nov 1999286023.192.43$6,632
Oct 1999287020.982.80$6,021
Sep 1999284021.752.62$6,177
Aug 1999275019.262.88$5,297
Jul 1999314017.892.37$5,617
Jun 1999291015.942.36$4,639
May 1999311015.792.32$4,911
Apr 1999212015.102.21$3,201
Mar 1999308012.471.84$3,841
Feb 199927909.981.82$2,784
Jan 1999320010.381.90$3,322
Dec 199828309.201.77$2,604
Nov 19983134510.892.19$3,507
Oct 199830119112.421.97$4,115
Sep 19982423512.592.08$3,120
Aug 199820010811.301.91$2,466
Jul 199824410611.742.24$3,102
Jun 199825713811.242.24$3,197
May 199833311412.622.21$4,454
Apr 199833613013.042.51$4,707
Mar 19983554812.802.31$4,655
Feb 19983228113.952.30$4,678
Jan 19983697414.702.15$5,584
Dec 19973673316.322.41$6,069
Nov 1997329018.193.09$5,985
Oct 19973637719.253.15$7,230
Sep 19973619017.742.95$6,670
Aug 199738811917.862.55$7,234
Jul 199746419517.582.25$8,595
Jun 19972803817.242.26$4,913
May 19973144118.972.31$6,051
Apr 1997306017.882.08$5,471
Mar 1997390018.951.94$7,391
Feb 199737117520.492.21$7,988
Jan 19973662923.483.54$8,696
Dec 19963861223.32—$9,002
Nov 19964373221.97—$9,601
Oct 19964503423.31—$10,490
Sep 19964726122.22—$10,488
Aug 19965076620.26—$10,272
Jul 19965127119.55—$10,010
Jun 19964507118.73—$8,429
May 199643213619.43—$8,394
Apr 199647612221.51—$10,239
Mar 199648212019.38—$9,341
Feb 19964778916.98—$8,099
Jan 199641311117.07—$7,050
Dec 199544311717.19—$7,615
Nov 199541213616.00—$6,592
Oct 199541211215.43—$6,357
Sep 199542687716.18—$6,893
Aug 1995460115.92—$7,323
Jul 1995447115.24—$6,812
Jun 1995411116.41—$6,745
May 199544813717.56—$7,867
Apr 199546414417.73—$8,227
Mar 1995501116.44—$8,236
Feb 199547512016.58—$7,876
Jan 199546916015.92—$7,466
Dec 199447516315.03—$7,139
Nov 199452519115.90—$8,348
Oct 199453618015.58—$8,351
Sep 199451117515.29—$7,813
Aug 199459020816.13—$9,517
Jul 199452214317.56—$9,166
Jun 199456017517.09—$9,570
May 199458119915.88—$9,226
Apr 199464119314.14—$9,064
Mar 199457718512.46—$7,189
Feb 199472329912.50—$9,038
Jan 199466319012.66—$8,394
Dec 199362416412.33—$7,694
Nov 199363919014.49—$9,259
Oct 199366918415.85—$10,604
Sep 199373918415.03—$11,107
Aug 199368918615.66—$10,790
Jul 199368318615.46—$10,559
Jun 199362516516.79—$10,494
May 199364217017.68—$11,351
Apr 199370915918.05—$12,797
Mar 199367915518.14—$12,317
Feb 199370216517.90—$12,566
Jan 199378716516.93—$13,324

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.

Mar 2026 — as filed, then multipliedworked
Oil                   42 bbl  × $ 89.75 =     $3,770
Casinghead gas        99 Mcf  × $  3.15 =       $312

────────────────────────────────────────────────────
Month total                                   $4,081

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/1558 is the state's own key, not one this site invented.