COOK

Operated by TEXOKAN OPERATING, INC. (P-5 850446) in the PEARSALL (AUSTIN CHALK) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 12611District 01Field 69981125OilCasinghead gasSaveExport
Value, all time
$913 k
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 1,992 leases and 3,388 wells, and the rule below applies to all of them.

Discovered
1936-12-28
as the register files it
Field class
Oil and gas
the register's own label
Between wells
0 ft
minimum
From a lease line
330 ft
minimum

A drilling unit in this field needs at least 80 acres. The field rule took effect on 2025-06-17.

The Commission's schedule remark for this field reads: LEASE PLAT. PRORATION PLAT IS NOT REQUIRED.

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
OilDisposition31,803 bbl$912,768
Casinghead gasProduction131 Mcf$0
Total$912,768

131 Mcf of this lease's gas, across 27 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 (1)

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 28.6475, -99.2112. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

28.64750, -99.21115 · 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
100.0%
1 of 1 wells
With a plug date
100.0%
1 of 1 wells
Median depth
9,375 ft
1 wells filed one
Completion to plug
22.3 years
median over 1 well

What the state filed about each well

On the RRC proration schedule
1100.0%
A plug date is filed
1100.0%
BothOn the schedule and plugged. Neither fact cancels the other.
1100.0%
NeitherNo plug date, and not on the schedule.
00.0%

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

The one well that filed a depth was drilled to 9,375 ft.

Completions filed
Jul 1990
1 of 1 wells
Plug dates filed
Oct 2012
1 of 1 wells

Last completion to plug: a median of 22.3 years across the 1 well that filed both dates, with the middle half between 22.3 years and 22.3 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

1 well

42-1633194019,375 ftJul 1990Oct 2012Yes

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 2011117083.404.15$9,758
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 20090065.543.06$0
Aug 20090067.423.22$0
Jul 20090061.133.46$0
Jun 20090066.163.90$0
May 20090054.743.93$0
Apr 20090046.773.59$0
Mar 20090042.144.06$0
Feb 20090032.814.63$0
Jan 20090035.865.37$0
Dec 20081037.105.98$37
Nov 2008171055.496.86$9,489
Oct 2008320075.246.92$24,077
Sep 200840101.767.88$407
Aug 200880114.228.48$914
Jul 200800131.0811.39$0
Jun 200800131.3313.03$0
May 200800123.1711.57$0
Apr 200810110.3110.45$110
Mar 200810101.909.66$102
Feb 20080092.538.77$0
Jan 20082090.388.21$181
Dec 2007155088.337.30$13,691
Nov 20071091.677.29$92
Oct 2007338082.856.92$28,003
Sep 2007155075.846.24$11,755
Aug 20076069.066.39$414
Jul 20070070.906.39$0
Jun 20071062.007.55$62
May 2007160058.747.85$9,398
Apr 20070059.617.81$0
Mar 20071056.927.30$57
Feb 20070055.108.22$0
Jan 20070050.306.73$0
Dec 2006180056.656.92$10,197
Nov 2006170054.207.62$9,214
Oct 2006178054.906.01$9,772
Sep 20060060.085.04$0
Aug 2006178068.717.34$12,230
Jul 2006215069.376.34$14,915
Jun 2006187066.286.38$12,394
May 2006311066.016.42$20,529
Apr 2006546064.397.36$35,157
Mar 2006171056.707.08$9,696
Feb 2006325057.597.75$18,717
Jan 2006149060.598.93$9,028
Dec 2005477054.9413.42$26,206
Nov 2005159054.6910.59$8,696
Oct 2005283058.3413.80$16,510
Sep 20056061.4512.08$369
Aug 2005333061.519.80$20,483
Jul 2005542055.697.84$30,184
Jun 2005927052.337.38$48,510
May 2005777045.226.65$35,136
Apr 2005155049.207.36$7,626
Mar 20050050.377.15$0
Feb 20050045.226.31$0
Jan 20050043.166.32$0
Dec 20040039.866.75$0
Nov 20040045.286.33$0
Oct 20040049.706.52$0
Sep 20040043.245.28$0
Aug 20040042.375.55$0
Jul 20040038.286.08$0
Jun 20040036.106.43$0
May 20040037.486.49$0
Apr 20040034.475.86$0
Mar 2004581034.365.53$19,963
Feb 20040032.455.51$0
Jan 20040032.036.30$0
Dec 20030030.266.30$0
Nov 20030028.804.60$0
Oct 20030028.174.76$0
Sep 20030026.314.75$0
Aug 20030029.765.13$0
Jul 20030029.415.17$0
Jun 20030028.565.98$0
May 20030026.595.97$0
Apr 20030026.675.41$0
Mar 20030031.146.10$0
Feb 20030033.487.93$0
Jan 20030030.315.58$0
Dec 20020026.914.85$0
Nov 20020024.664.14$0
Oct 20020026.464.23$0
Sep 20020027.443.64$0
Aug 20020025.963.16$0
Jul 20020024.583.06$0
Jun 20020023.733.34$0
May 20020024.663.58$0
Apr 200218023.653.51$426
Mar 2002187022.003.10$4,114
Feb 20020018.222.38$0
Jan 20020017.172.38$0
Dec 20010016.932.36$0
Nov 20010018.072.41$0
Oct 20010019.782.53$0
Sep 20010024.262.25$0
Aug 2001172024.873.05$4,278
Jul 2001169023.933.20$4,044
Jun 2001168024.563.82$4,126
May 2001173025.524.31$4,415
Apr 2001167024.685.34$4,122
Mar 2001169024.545.38$4,147
Feb 2001324027.755.77$8,991
Jan 20011027.478.40$27
Dec 20004026.889.12$108
Nov 2000343032.215.66$11,048
Oct 200013031.235.15$406
Sep 2000175031.875.19$5,577
Aug 20000029.644.54$0
Jul 2000308028.534.09$8,787
Jun 20004029.304.40$117
May 2000143027.263.68$3,898
Apr 2000165024.513.12$4,044
Mar 20009028.422.86$256
Feb 20000027.622.73$0
Jan 2000191025.272.48$4,827
Dec 1999652024.282.42$15,831
Nov 199927023.192.43$626
Oct 199916020.982.80$336
Sep 1999329021.752.62$7,156
Aug 1999207019.262.88$3,987
Jul 19990017.892.37$0
Jun 19990015.942.36$0
May 19990015.792.32$0
Apr 19990015.102.21$0
Mar 19990012.471.84$0
Feb 1999009.981.82$0
Jan 1999137010.381.90$1,422
Dec 199817009.201.77$1,564
Nov 1998163010.892.19$1,775
Oct 1998158012.421.97$1,962
Sep 1998159012.592.08$2,002
Aug 1998170011.301.91$1,921
Jul 1998166011.742.24$1,949
Jun 1998162011.242.24$1,821
May 1998174012.622.21$2,196
Apr 1998167013.042.51$2,178
Mar 1998164012.802.31$2,099
Feb 1998148013.952.30$2,065
Jan 1998170014.702.15$2,499
Dec 1997181016.322.41$2,954
Nov 1997157018.193.09$2,856
Oct 1997316019.253.15$6,083
Sep 1997160017.742.95$2,838
Aug 1997130017.862.55$2,322
Jul 1997155017.582.25$2,725
Jun 1997154017.242.26$2,655
May 1997311018.972.31$5,900
Apr 1997164017.882.08$2,932
Mar 1997159018.951.94$3,013
Feb 1997178020.492.21$3,647
Jan 1997152023.483.54$3,569
Dec 1996319023.32$7,439
Nov 1996168021.97$3,691
Oct 1996159023.31$3,706
Sep 1996313022.22$6,955
Aug 1996163020.26$3,302
Jul 1996328019.55$6,412
Jun 1996162018.73$3,034
May 1996169019.43$3,284
Apr 1996247021.51$5,313
Mar 1996319019.38$6,182
Feb 1996288016.98$4,890
Jan 1996306017.07$5,223
Dec 1995122017.19$2,097
Nov 1995317016.00$5,072
Oct 1995312015.43$4,814
Sep 1995168016.18$2,718
Aug 1995329015.92$5,238
Jul 1995312015.24$4,755
Jun 1995327016.41$5,366
May 1995476017.56$8,359
Apr 1995328017.73$5,815
Mar 1995625116.44$10,275
Feb 1995328116.58$5,438
Jan 1995332115.92$5,285
Dec 19940115.03$0
Nov 1994329115.90$5,231
Oct 19940115.58$0
Sep 19940115.29$0
Aug 1994653116.13$10,533
Jul 1994334117.56$5,865
Jun 1994657117.09$11,228
May 1994333115.88$5,288
Apr 1994347114.14$4,907
Mar 1994338112.46$4,211
Feb 1994343112.50$4,288
Jan 19940112.66$0
Dec 19932112.33$25
Nov 1993347114.49$5,028
Oct 1993486115.85$7,703
Sep 19933311115.03$4,975
Aug 19935061515.66$7,924
Jul 1993495715.46$7,653
Jun 19933241216.79$5,440
May 19934931617.68$8,716
Apr 19933191118.05$5,758
Mar 19934811318.14$8,725
Feb 19936901217.90$12,351
Jan 19933271616.93$5,536

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.

Aug 2011 — as filed, then multipliedworked
Oil                  117 bbl  × $ 83.40 =     $9,758
Casinghead gas         0 Mcf  × $  4.15 =         $0

────────────────────────────────────────────────────
Month total                                   $9,758

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. 01/O/12611 is the state's own key, not one this site invented.