COX, R. C.

Operated by OCCIDENTAL PERMIAN LTD. (P-5 617544) in the PRENTICE (5100) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 61316District 8AField 72995470Hydrogen sulphide fieldNGPA filingOilCasinghead gasSaveExport
Value, all time
$1.7 M
Jan 1993 – May 2026
Value, last 12 filed months
$0
at the published price for each month
Months reported
401
no gaps in the span
Streams
2
oil, casinghead gas

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 7 leases and 44 wells, and the rule below applies to all of them.

Discovered
1974-10-15
as the register files it
Field class
Oil
the register's own label
Between wells
660 ft
minimum
From a lease line
467 ft
minimum

A drilling unit in this field needs at least 20 acres. The field rule took effect on 1986-05-01.

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: 20 AC. OPT., DIAG. 1500

Severance-tax incentive filings

Applications the operator filed to have this lease's gas taxed at a reduced state rate. A filing is an application, and this page never calls one a reduction that was granted.

ProgrammeFilingsWith an approval dateDatedDocket
NGPA8none

This says nothing about a royalty. A severance tax is charged to the operator. Whether a reduced rate reaches a royalty owner depends on the wording of the lease instrument, which is a private contract this site does not hold.

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
OilDisposition79,350 bbl$1,622,757
Casinghead gasProduction54,464 Mcf$53,998
Total$1,676,755

38,307 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 (19)

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 33.2650, -102.6044. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.7 miles.

33.26550, -102.60458 · 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
73.7%
14 of 19 wells
With a plug date
73.7%
14 of 19 wells
Median depth
5,263 ft
19 wells filed one
Completion to plug
16.7 years
median over 13 wells

What the state filed about each well

On the RRC proration schedule
1473.7%
A plug date is filed
1473.7%
BothOn the schedule and plugged. Neither fact cancels the other.
1473.7%
NeitherNo plug date, and not on the schedule.
526.3%

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, 19 of 19 wells. Median 5,263 ft, with the middle half between 5,254 and 5,276 ft; the shallowest is 5,190 ft and the deepest 5,287 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, 15 of 19 wells, Aug 1987 – Oct 2009. 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 1987 – Oct 2009
15 of 19 wells; 4 filed none
Plug dates filed
Jun 2004 – Jan 2025
14 of 19 wells; 5 filed none

Last completion to plug: a median of 16.7 years across the 13 wells that filed both dates, with the middle half between 14.7 years and 16.8 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

19 wells

42-50133203115,258 ftJan 2025Yes
42-501308481SA5,240 ft
42-50133197185,261 ft
42-501335651CO5,237 ft
42-5013161445A5,230 ftOct 2009Apr 2023Yes
42-50133198165,267 ftOct 2009
42-501335662CO5,253 ftOct 2009
42-501311592SA5,190 ftJul 2003Apr 2011Yes
42-50133187175,272 ftDec 1989Jun 2004Yes
42-5013319665,281 ftDec 1989Aug 2004Yes
42-501309003SA5,276 ftDec 1987Jun 2004Yes
42-5013319055,255 ftDec 1987Aug 2004Yes
42-50133206155,285 ftOct 1987Jul 2004Yes
42-5013318975,287 ftOct 1987Jun 2004Yes
42-50133204125,263 ftOct 1987Jul 2004Yes
42-50133205145,275 ftOct 1987Jun 2004Yes
42-5013318485,260 ftSep 1987Jun 2004Yes
42-5013318395,270 ftAug 1987Aug 2004Yes
42-50133185105,283 ftAug 1987Aug 2004Yes

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 20260089.753.15$0
Feb 20260063.503.75$0
Jan 20260059.138.00$0
Dec 20250056.664.41$0
Nov 20250058.593.93$0
Oct 20250059.383.30$0
Sep 20250062.743.08$0
Aug 20250063.933.01$0
Jul 20250066.743.32$0
Jun 20250066.483.13$0
May 20250060.553.23$0
Apr 20250062.363.54$0
Mar 20250067.704.27$0
Feb 20250070.884.34$0
Jan 20250074.324.28$0
Dec 20240068.993.12$0
Nov 20240069.052.20$0
Oct 20240071.372.28$0
Sep 20240069.612.36$0
Aug 20240075.632.06$0
Jul 20240079.932.15$0
Jun 20240078.082.63$0
May 20240078.812.20$0
Apr 20240084.451.66$0
Mar 20240080.301.55$0
Feb 20240076.091.78$0
Jan 20240073.023.30$0
Dec 20230071.262.61$0
Nov 20230077.892.81$0
Oct 20230085.443.09$0
Sep 20230089.042.74$0
Aug 20230080.522.67$0
Jul 20230074.852.64$0
Jun 20230068.962.26$0
May 20230070.622.23$0
Apr 20230078.122.24$0
Mar 20230072.852.39$0
Feb 20230075.112.47$0
Jan 20230076.533.39$0
Dec 20220076.415.73$0
Nov 20220085.005.65$0
Oct 20220087.185.86$0
Sep 20220084.888.16$0
Aug 20220094.529.13$0
Jul 202200101.587.54$0
Jun 202200115.097.98$0
May 202200109.378.43$0
Apr 202200104.226.84$0
Mar 202200108.885.08$0
Feb 20220091.054.86$0
Jan 20220081.844.54$0
Dec 20210071.323.90$0
Nov 20210077.435.24$0
Oct 20210079.795.71$0
Sep 20210069.865.35$0
Aug 20210066.024.22$0
Jul 20210070.783.98$0
Jun 20210069.493.38$0
May 20210063.483.02$0
Apr 20210060.362.76$0
Mar 20210061.302.72$0
Feb 20210057.805.55$0
Jan 20210050.412.81$0
Dec 20200044.642.68$0
Nov 20200038.772.71$0
Oct 20200036.972.48$0
Sep 20200037.091.99$0
Aug 20200039.982.39$0
Jul 20200038.371.83$0
Jun 20200034.901.69$0
May 20200016.921.81$0
Apr 20200014.751.80$0
Mar 20200030.341.86$0
Feb 20200049.881.98$0
Jan 20200057.252.09$0
Dec 20190059.012.30$0
Nov 20190055.302.75$0
Oct 20190053.472.42$0
Sep 20190055.052.66$0
Aug 20190053.112.30$0
Jul 20190056.272.46$0
Jun 20190052.782.49$0
May 20190058.482.74$0
Apr 20190062.632.75$0
Mar 20190056.803.06$0
Feb 20190050.852.79$0
Jan 20190046.033.23$0
Dec 20180046.594.19$0
Nov 20180052.934.24$0
Oct 20180061.443.40$0
Sep 20180059.543.11$0
Aug 20180059.403.07$0
Jul 20180065.142.93$0
Jun 20180060.183.08$0
May 20180065.382.90$0
Apr 20180063.842.90$0
Mar 20180061.222.79$0
Feb 20180061.782.77$0
Jan 20180062.874.01$0
Dec 20170057.272.92$0
Nov 20170055.423.12$0
Oct 20170049.292.98$0
Sep 20170047.523.09$0
Aug 20170045.373.00$0
Jul 20170043.873.09$0
Jun 20170042.493.09$0
May 20170045.373.26$0
Apr 20170047.933.21$0
Mar 20170046.772.98$0
Feb 20170050.452.95$0
Jan 20170049.413.42$0
Dec 20160048.763.72$0
Nov 20160042.492.64$0
Oct 20160046.193.09$0
Sep 20160041.553.10$0
Aug 20160041.442.92$0
Jul 20160041.622.92$0
Jun 20160045.352.69$0
May 20160042.521.99$0
Apr 20160036.561.99$0
Mar 20160033.011.79$0
Feb 20160026.472.06$0
Jan 20160027.352.36$0
Dec 20150032.362.00$0
Nov 20150038.792.17$0
Oct 20150043.552.43$0
Sep 20150042.992.76$0
Aug 20150040.162.87$0
Jul 20150048.152.95$0
Jun 20150056.152.88$0
May 20150055.212.96$0
Apr 20150049.822.71$0
Mar 20150042.892.93$0
Feb 20150044.662.98$0
Jan 20150043.433.10$0
Dec 20140054.693.59$0
Nov 20140070.464.25$0
Oct 20140078.303.90$0
Sep 20140086.164.05$0
Aug 20140089.394.04$0
Jul 20140096.564.18$0
Jun 20140098.164.74$0
May 20140094.734.73$0
Apr 20140095.944.81$0
Mar 20140095.895.06$0
Feb 20140097.406.19$0
Jan 20140090.404.86$0
Dec 20130091.824.35$0
Nov 20130088.853.74$0
Oct 20130097.423.78$0
Sep 201300104.113.72$0
Aug 201300104.253.52$0
Jul 201300102.523.72$0
Jun 20130094.403.93$0
May 20130094.834.15$0
Apr 20130093.964.28$0
Mar 20130093.623.91$0
Feb 20130091.233.42$0
Jan 20130091.603.42$0
Dec 20120086.773.42$0
Nov 20120086.953.62$0
Oct 20120089.383.40$0
Sep 20120094.672.92$0
Aug 20120092.662.91$0
Jul 20120085.133.02$0
Jun 20120079.822.52$0
May 20120091.612.49$0
Apr 201200101.652.00$0
Mar 201200105.052.22$0
Feb 201200101.102.57$0
Jan 20120098.092.73$0
Dec 20110096.873.24$0
Nov 20110095.723.31$0
Oct 20110084.983.65$0
Sep 20110083.623.99$0
Aug 20110083.404.15$0
Jul 20110094.144.52$0
Jun 20110092.904.64$0
May 20110098.134.40$0
Apr 201100105.964.33$0
Mar 20110096.364.06$0
Feb 20110085.644.18$0
Jan 20110086.504.59$0
Dec 20100085.734.35$0
Nov 20100080.843.80$0
Oct 20100078.103.51$0
Sep 20100072.633.98$0
Aug 20100073.684.42$0
Jul 20100072.554.74$0
Jun 20100070.364.91$0
May 20100071.124.24$0
Apr 20100081.694.12$0
Mar 20100078.394.39$0
Feb 20100073.585.44$0
Jan 20100074.365.96$0
Dec 20090071.445.48$0
Nov 20090074.593.75$0
Oct 20090072.544.11$0
Sep 2009113065.543.06$7,406
Aug 20097021967.423.22$5,424
Jul 20096616261.133.46$4,596
Jun 20096411366.163.90$4,674
May 2009632454.743.93$3,543
Apr 200960046.773.59$2,806
Mar 200910523042.144.06$5,358
Feb 2009636632.814.63$2,373
Jan 200957835.865.37$2,087
Dec 2008106037.105.98$3,933
Nov 2008692655.496.86$4,007
Oct 20086410275.246.92$5,521
Sep 20087739101.767.88$8,143
Aug 20089233114.228.48$10,788
Jul 2008909131.0811.39$11,900
Jun 20087648131.3313.03$10,607
May 20088827123.1711.57$11,151
Apr 20087646110.3110.45$8,864
Mar 20089918101.909.66$10,262
Feb 200839392.538.77$3,635
Jan 2008232090.388.21$2,243
Dec 200723088.337.30$2,032
Nov 20070091.677.29$0
Oct 20070082.856.92$0
Sep 2007361675.846.24$2,830
Aug 2007551969.066.39$3,920
Jul 2007611470.906.39$4,414
Jun 20071051162.007.55$6,593
May 2007913258.747.85$5,596
Apr 2007164959.617.81$9,846
Mar 2007131256.927.30$7,471
Feb 2007137455.108.22$7,582
Jan 200768550.306.73$3,454
Dec 2006200456.656.92$11,358
Nov 200656354.207.62$3,058
Oct 20061701754.906.01$9,435
Sep 2006842960.085.04$5,193
Aug 2006947168.717.34$6,980
Jul 2006824169.376.34$5,948
Jun 2006872666.286.38$5,932
May 2006623566.016.42$4,318
Apr 200673964.397.36$4,767
Mar 2006775656.707.08$4,763
Feb 2006796257.597.75$5,030
Jan 20061195860.598.93$7,728
Dec 20051602254.9413.42$9,086
Nov 2005761154.6910.59$4,273
Oct 2005901358.3413.80$5,430
Sep 20051301761.4512.08$8,194
Aug 2005102361.519.80$6,303
Jul 2005122355.697.84$6,818
Jun 20051322552.337.38$7,092
May 20051824245.226.65$8,509
Apr 2005101949.207.36$5,035
Mar 2005136850.377.15$6,908
Feb 200588545.226.31$4,011
Jan 200590543.166.32$3,916
Dec 20041092539.866.75$4,514
Nov 20041353145.286.33$6,309
Oct 2004967149.706.52$5,234
Sep 2004324743.245.28$1,632
Aug 2004407442.375.55$2,106
Jul 20044611638.286.08$2,467
Jun 2004338336.106.43$1,725
May 2004468137.486.49$2,250
Apr 2004516434.475.86$2,133
Mar 200470034.365.53$2,405
Feb 200447232.455.51$1,536
Jan 2004493132.036.30$1,765
Dec 2003472830.266.30$1,599
Nov 2003683828.804.60$2,133
Oct 2003655628.174.76$2,098
Sep 20031119026.314.75$3,348
Aug 20038310029.765.13$2,983
Jul 2003628729.415.17$2,273
Jun 2003675828.565.98$2,261
May 2003685626.595.97$2,143
Apr 2003104326.675.41$2,790
Mar 200334031.146.10$1,059
Feb 200330633.487.93$1,052
Jan 200347730.315.58$1,464
Dec 200276126.914.85$2,050
Nov 2002104024.664.14$2,565
Oct 2002138426.464.23$3,668
Sep 2002167527.443.64$4,601
Aug 2002173825.963.16$4,516
Jul 2002142724.583.06$3,512
Jun 20021343123.733.34$3,283
May 200277124.663.58$1,902
Apr 200252223.653.51$1,237
Mar 200264022.003.10$1,408
Feb 200298118.222.38$1,788
Jan 20021153817.172.38$2,065
Dec 2001983216.932.36$1,735
Nov 20011595918.072.41$3,015
Oct 200119427719.782.53$4,538
Sep 200111812724.262.25$3,149
Aug 20011959624.873.05$5,143
Jul 20012097723.933.20$5,248
Jun 200115526624.563.82$4,824
May 200116713625.524.31$4,848
Apr 200121313224.685.34$5,961
Mar 20012099924.545.38$5,661
Feb 20011542827.755.77$4,435
Jan 20011416927.478.40$4,453
Dec 20001438626.889.12$4,628
Nov 200014712132.215.66$5,419
Oct 20001917831.235.15$6,366
Sep 200023510331.875.19$8,024
Aug 20001727329.644.54$5,430
Jul 20001529428.534.09$4,721
Jun 2000556929.304.40$1,915
May 20001799827.263.68$5,240
Apr 20001336024.513.12$3,447
Mar 20001684028.422.86$4,889
Feb 20002175827.622.73$6,152
Jan 20001616125.272.48$4,220
Dec 19992013324.282.42$4,960
Nov 1999954323.192.43$2,308
Oct 1999505520.982.80$1,203
Sep 19992368021.752.62$5,343
Aug 199922911519.262.88$4,741
Jul 199916612117.892.37$3,257
Jun 199917213915.942.36$3,070
May 19999213415.792.32$1,764
Apr 19991639415.102.21$2,669
Mar 199921314512.471.84$2,923
Feb 1999183879.981.82$1,984
Jan 199918010410.381.90$2,066
Dec 19981221189.201.77$1,332
Nov 199818914910.892.19$2,384
Oct 199827112712.421.97$3,616
Sep 199828814812.592.08$3,934
Aug 199826627711.301.91$3,534
Jul 199824644911.742.24$3,893
Jun 199823043711.242.24$3,563
May 199826444512.622.21$4,314
Apr 199825239513.042.51$4,276
Mar 199833643212.802.31$5,298
Feb 199825933913.952.30$4,392
Jan 199822643114.702.15$4,251
Dec 199724336916.322.41$4,855
Nov 19973331718.193.09$1,579
Oct 199726336619.253.15$6,216
Sep 199732754417.742.95$7,408
Aug 199743951017.862.55$9,143
Jul 199741945917.582.25$8,397
Jun 199739849417.242.26$7,977
May 199742156118.972.31$9,281
Apr 199746051717.882.08$9,302
Mar 199744053018.951.94$9,366
Feb 199725250920.492.21$6,286
Jan 19971,04961423.483.54$26,804
Dec 199651955323.32$12,103
Nov 199646040921.97$10,106
Oct 199656644423.31$13,193
Sep 199647043722.22$10,443
Aug 199655356720.26$11,204
Jul 199658558519.55$11,437
Jun 199660364918.73$11,294
May 199661254319.43$11,891
Apr 199660544621.51$13,014
Mar 199660545819.38$11,725
Feb 199662141116.98$10,545
Jan 199658847917.07$10,037
Dec 199558035817.19$9,970
Nov 199579243816.00$12,672
Oct 199572646915.43$11,202
Sep 199569361516.18$11,213
Aug 199578163715.92$12,434
Jul 199580859715.24$12,314
Jun 199579366916.41$13,013
May 199585094217.56$14,926
Apr 199587879617.73$15,567
Mar 199592889516.44$15,256
Feb 199583997116.58$13,911
Jan 199596666915.92$15,379
Dec 19941,05375215.03$15,827
Nov 19941,02196315.90$16,234
Oct 19941,12671715.58$17,543
Sep 19941,12088815.29$17,125
Aug 19941,21798516.13$19,630
Jul 19941,28387817.56$22,529
Jun 19941,4101,19917.09$24,097
May 19941,38587315.88$21,994
Apr 19941,3861,07814.14$19,598
Mar 19941,5031,05712.46$18,727
Feb 19941,5421,03112.50$19,275
Jan 19941,47995812.66$18,724
Dec 19931,77992912.33$21,935
Nov 19931,5071,09714.49$21,836
Oct 19931,7291,14915.85$27,405
Sep 19931,8661,16415.03$28,046
Aug 19931,8931,10415.66$29,644
Jul 19932,2681,21015.46$35,063
Jun 19932,0151,30316.79$33,832
May 19932,1271,13117.68$37,605
Apr 19932,06797118.05$37,309
Mar 19932,76390618.14$50,121
Feb 19932,70085917.90$48,330
Jan 19933,1491,06816.93$53,313

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.

Sep 2009 — as filed, then multipliedworked
Oil                  113 bbl  × $ 65.54 =     $7,406
Casinghead gas         0 Mcf  × $  3.06 =         $0

────────────────────────────────────────────────────
Month total                                   $7,406

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. 8A/O/61316 is the state's own key, not one this site invented.