COBB LEASE UNIT #1-CARTER

Operated by RLU OIL & GAS, INC. (P-5 714274) in the CHICON LAKE field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 5874District 01Field 17668001OilCasinghead gasSaveExport
Value, all time
$318 k
Jan 1993 – May 2026
Value, last 12 filed months
$4 k
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 107 leases and 796 wells, and the rule below applies to all of them.

Discovered
1919-06-12
as the register files it
Field class
Oil and gas
the register's own label
Between wells
300 ft
minimum
From a lease line
150 ft
minimum

A drilling unit in this field needs at least 2 acres. The field rule took effect on 1941-05-08.

The Commission's schedule remark for this field reads: COAL MINE (NAVARRO) COMBINED WITH THIS FIELD 11-1-61.

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
OilDisposition6,380 bbl$316,599
Casinghead gasProduction329 Mcf$1,228
Total$317,827

48 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 (10)

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 29.2633, -98.8795. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.3 miles.

29.26324, -98.87879 · 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%
10 of 10 wells
With a plug date
60.0%
6 of 10 wells
Median depth
239 ft
9 wells filed one
Completion to plug
10.8 years
median over 4 wells

What the state filed about each well

On the RRC proration schedule
10100.0%
A plug date is filed
660.0%
BothOn the schedule and plugged. Neither fact cancels the other.
660.0%
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

Total depth in feet, 9 of 10 wells. Median 239 ft, with the middle half between 231 and 254 ft; the shallowest is 216 ft and the deepest 303 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, 7 of 10 wells, Sep 1981 – Jan 1983. This is the LAST completion filed on each wellbore, not the first — a well recompleted in 2019 counts once, in the 2010s.

Completions filed
Sep 1981 – Jan 1983
7 of 10 wells; 3 filed none
Plug dates filed
Sep 1981 – Oct 2001
6 of 10 wells; 4 filed none

Last completion to plug: a median of 10.8 years across the 4 wells that filed both dates, with the middle half between 10.1 years and 13.3 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

10 wells

42-325000969254 ftSep 1981Yes
42-325001064E216 ftYes
42-3258009022A250 ftFeb 1982Yes
42-325000738E239 ftJan 1983Feb 1993Yes
42-325001075E219 ftJan 1983Yes
42-325001376E231 ftJan 1983Oct 2001Yes
42-325001447E303 ftJan 1983Feb 1993Yes
42-325322291259 ftJan 1983Yes
42-325805453ESep 1981Yes
42-325322281E231 ftSep 1981Feb 1993Yes

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 202560058.593.93$3,515
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 202560070.884.34$4,253
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 202351080.522.67$4,107
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 202279094.529.13$7,467
Jul 202200101.587.54$0
Jun 202200115.097.98$0
May 202200109.378.43$0
Apr 2022600104.226.84$6,253
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 2021110063.483.02$6,983
Apr 20210060.362.76$0
Mar 20210061.302.72$0
Feb 20210057.805.55$0
Jan 202165050.412.81$3,277
Dec 20200044.642.68$0
Nov 20200038.772.71$0
Oct 20200036.972.48$0
Sep 20200037.091.99$0
Aug 202057039.982.39$2,279
Jul 202058038.371.83$2,225
Jun 20200034.901.69$0
May 20200016.921.81$0
Apr 20200114.751.80$2
Mar 20200130.341.86$2
Feb 20200149.881.98$2
Jan 20200157.252.09$2
Dec 201943159.012.30$2,540
Nov 20190155.302.75$3
Oct 20190153.472.42$2
Sep 20190155.052.66$3
Aug 20190153.112.30$2
Jul 201942156.272.46$2,366
Jun 20190152.782.49$2
May 20190158.482.74$3
Apr 201942162.632.75$2,633
Mar 20190156.803.06$3
Feb 20190150.852.79$3
Jan 201942146.033.23$1,936
Dec 20180146.594.19$4
Nov 20180152.934.24$4
Oct 20180161.443.40$3
Sep 20180159.543.11$3
Aug 201847159.403.07$2,795
Jul 20180165.142.93$3
Jun 20180160.183.08$3
May 20180165.382.90$3
Apr 201840163.842.90$2,557
Mar 20180161.222.79$3
Feb 201842161.782.77$2,598
Jan 201841162.874.01$2,582
Dec 20170157.272.92$3
Nov 20170155.423.12$3
Oct 20170149.292.98$3
Sep 201753147.523.09$2,522
Aug 201740145.373.00$1,818
Jul 20170143.873.09$3
Jun 20170142.493.09$3
May 201712145.373.26$548
Apr 20170147.933.21$3
Mar 20170146.772.98$3
Feb 20170150.452.95$3
Jan 20170149.413.42$3
Dec 20160148.763.72$4
Nov 20160142.492.64$3
Oct 20160146.193.09$3
Sep 20160141.553.10$3
Aug 201641141.442.92$1,702
Jul 20160141.622.92$3
Jun 20160145.352.69$3
May 201643142.521.99$1,830
Apr 20160136.561.99$2
Mar 20160133.011.79$2
Feb 201639126.472.06$1,034
Jan 201634127.352.36$932
Dec 20150132.362.00$2
Nov 20150138.792.17$2
Oct 20150143.552.43$2
Sep 201534142.992.76$1,464
Aug 20150140.162.87$3
Jul 20150148.152.95$3
Jun 201543156.152.88$2,417
May 201541155.212.96$2,267
Apr 20150149.822.71$3
Mar 20150142.892.93$3
Feb 20150144.662.98$3
Jan 201544143.433.10$1,914
Dec 20140154.693.59$4
Nov 201443170.464.25$3,034
Oct 20140178.303.90$4
Sep 201444186.164.05$3,795
Aug 20140189.394.04$4
Jul 20140196.564.18$4
Jun 201487198.164.74$8,545
May 20140194.734.73$5
Apr 201443195.944.81$4,130
Mar 20140195.895.06$5
Feb 20140197.406.19$6
Jan 20140190.404.86$5
Dec 201343191.824.35$3,953
Nov 20130188.853.74$4
Oct 201343197.423.78$4,193
Sep 201301104.113.72$4
Aug 201301104.253.52$4
Jul 2013431102.523.72$4,412
Jun 20130194.403.93$4
May 20130194.834.15$4
Apr 201342193.964.28$3,951
Mar 201342193.623.91$3,936
Feb 20130191.233.42$3
Jan 20130191.603.42$3
Dec 201242186.773.42$3,648
Nov 201240186.953.62$3,482
Oct 20120189.383.40$3
Sep 201243194.672.92$4,074
Aug 20120192.662.91$3
Jul 20120185.133.02$3
Jun 201245179.822.52$3,594
May 20120191.612.49$2
Apr 2012861101.652.00$8,744
Mar 201201105.052.22$2
Feb 201201101.102.57$3
Jan 201248198.092.73$4,711
Dec 201143196.873.24$4,169
Nov 201146195.723.31$4,406
Oct 20110184.983.65$4
Sep 20110183.623.99$4
Aug 201197183.404.15$8,094
Jul 20110194.144.52$5
Jun 20110192.904.64$5
May 20110198.134.40$4
Apr 2011431105.964.33$4,561
Mar 20110196.364.06$4
Feb 201144185.644.18$3,772
Jan 201148186.504.59$4,157
Dec 20100185.734.35$4
Nov 20100180.843.80$4
Oct 201045178.103.51$3,518
Sep 201047172.633.98$3,418
Aug 20100173.684.42$4
Jul 201040172.554.74$2,907
Jun 20100170.364.91$5
May 201036171.124.24$2,565
Apr 201047181.694.12$3,844
Mar 20100178.394.39$4
Feb 201044173.585.44$3,243
Jan 20100174.365.96$6
Dec 200943171.445.48$3,077
Nov 20090174.593.75$4
Oct 200940172.544.11$2,906
Sep 20090165.543.06$3
Aug 200943167.423.22$2,902
Jul 200941161.133.46$2,510
Jun 20090166.163.90$4
May 20090154.743.93$4
Apr 200940146.773.59$1,874
Mar 20090142.144.06$4
Feb 200942132.814.63$1,383
Jan 200946135.865.37$1,655
Dec 20080137.105.98$6
Nov 200842155.496.86$2,337
Oct 20080175.246.92$7
Sep 200801101.767.88$8
Aug 200801114.228.48$8
Jul 200801131.0811.39$11
Jun 2008461131.3313.03$6,054
May 200801123.1711.57$12
Apr 200801110.3110.45$10
Mar 200801101.909.66$10
Feb 200847192.538.77$4,358
Jan 20080190.388.21$8
Dec 20070188.337.30$7
Nov 20070191.677.29$7
Oct 20070182.856.92$7
Sep 20070175.846.24$6
Aug 200746169.066.39$3,183
Jul 20070170.906.39$6
Jun 20070162.007.55$8
May 20070158.747.85$8
Apr 20070159.617.81$8
Mar 200744156.927.30$2,512
Feb 20070155.108.22$8
Jan 20070150.306.73$7
Dec 20060156.656.92$7
Nov 20060154.207.62$8
Oct 200648154.906.01$2,641
Sep 20060160.085.04$5
Aug 200645168.717.34$3,099
Jul 20060169.376.34$6
Jun 200645166.286.38$2,989
May 20060166.016.42$6
Apr 20060164.397.36$7
Mar 200643156.707.08$2,445
Feb 20060157.597.75$8
Jan 200645160.598.93$2,735
Dec 20050154.9413.42$13
Nov 200547154.6910.59$2,581
Oct 20050158.3413.80$14
Sep 200547161.4512.08$2,900
Aug 20050161.519.80$10
Jul 200544155.697.84$2,458
Jun 20050152.337.38$7
May 200545145.226.65$2,042
Apr 200548149.207.36$2,369
Mar 20050250.377.15$14
Feb 20050145.226.31$6
Jan 200537143.166.32$1,603
Dec 20040139.866.75$7
Nov 200448145.286.33$2,180
Oct 20040149.706.52$7
Sep 200443143.245.28$1,865
Aug 20040142.375.55$6
Jul 20040138.286.08$6
Jun 200450136.106.43$1,811
May 200442137.486.49$1,581
Apr 200443134.475.86$1,488
Mar 20040134.365.53$6
Feb 200448132.455.51$1,563
Jan 200446132.036.30$1,480
Dec 20030130.266.30$6
Nov 20030128.804.60$5
Oct 200345128.174.76$1,272
Sep 200347126.314.75$1,241
Aug 20030129.765.13$5
Jul 200347129.415.17$1,387
Jun 200347128.565.98$1,348
May 20030126.595.97$6
Apr 200347126.675.41$1,259
Mar 200347131.146.10$1,470
Feb 200347133.487.93$1,581
Jan 20030130.315.58$6
Dec 20020126.914.85$5
Nov 20020124.664.14$4
Oct 200247126.464.23$1,248
Sep 20020127.443.64$4
Aug 20020125.963.16$3
Jul 20020124.583.06$3
Jun 200246123.733.34$1,095
May 20020124.663.58$4
Apr 20020123.653.51$4
Mar 200248122.003.10$1,059
Feb 20020118.222.38$2
Jan 20020117.172.38$2
Dec 200147116.932.36$798
Nov 200145118.072.41$816
Oct 200145119.782.53$893
Sep 20010124.262.25$2
Aug 20010124.873.05$3
Jul 20010123.933.20$3
Jun 20010124.563.82$4
May 20010125.524.31$4
Apr 20010124.685.34$5
Mar 20010124.545.38$5
Feb 20010127.755.77$6
Jan 20010127.478.40$8
Dec 200048126.889.12$1,299
Nov 20000132.215.66$6
Oct 200024131.235.15$755
Sep 200023131.875.19$738
Aug 20000129.644.54$5
Jul 200026128.534.09$746
Jun 20000129.304.40$4
May 20000127.263.68$4
Apr 200026124.513.12$640
Mar 20000128.422.86$3
Feb 200028127.622.73$776
Jan 20000125.272.48$2
Dec 199926124.282.42$634
Nov 19990123.192.43$2
Oct 199926120.982.80$548
Sep 19990121.752.62$3
Aug 199929119.262.88$561
Jul 199927117.892.37$485
Jun 19990115.942.36$2
May 199927115.792.32$429
Apr 199925115.102.21$380
Mar 19990112.471.84$2
Feb 19992819.981.82$281
Jan 199928110.381.90$293
Dec 19982719.201.77$250
Nov 19980110.892.19$2
Oct 199828112.421.97$350
Sep 199827112.592.08$342
Aug 19980111.301.91$2
Jul 19980111.742.24$2
Jun 199826111.242.24$294
May 19980112.622.21$2
Apr 19980113.042.51$3
Mar 199823112.802.31$297
Feb 19980113.952.30$2
Jan 19980114.702.15$2
Dec 199723116.322.41$378
Nov 199728118.193.09$512
Oct 19970119.253.15$3
Sep 199728117.742.95$500
Aug 19970117.862.55$3
Jul 199725117.582.25$442
Jun 199725117.242.26$433
May 19970118.972.31$2
Apr 199726117.882.08$467
Mar 199726118.951.94$495
Feb 19970120.492.21$2
Jan 199724123.483.54$567
Dec 199625123.32$583
Nov 199622121.97$483
Oct 19960123.31$0
Sep 199624122.22$533
Aug 199625120.26$507
Jul 199627119.55$528
Jun 199623118.73$431
May 19960119.43$0
Apr 199622121.51$473
Mar 199624119.38$465
Feb 199626116.98$441
Jan 199622117.07$376
Dec 199527117.19$464
Nov 19950116.00$0
Oct 199519115.43$293
Sep 199522116.18$356
Aug 199524115.92$382
Jul 199526115.24$396
Jun 19950116.41$0
May 199526117.56$457
Apr 199528117.73$496
Mar 19950116.44$0
Feb 199520116.58$332
Jan 199522115.92$350
Dec 199420115.03$301
Nov 199420115.90$318
Oct 199423115.58$358
Sep 199426115.29$398
Aug 199417116.13$274
Jul 199418117.56$316
Jun 199426117.09$444
May 199428115.88$445
Apr 199427114.14$382
Mar 19940112.46$0
Feb 199430112.50$375
Jan 199433112.66$418
Dec 199331112.33$382
Nov 19930114.49$0
Oct 199331115.85$491
Sep 199332115.03$481
Aug 199331115.66$485
Jul 199332115.46$495
Jun 199333116.79$554
May 19930117.68$0
Apr 199333118.05$596
Mar 199332118.14$580
Feb 199334117.90$609
Jan 199326116.93$440

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.

Nov 2025 — as filed, then multipliedworked
Oil                   60 bbl  × $ 58.59 =     $3,515
Casinghead gas         0 Mcf  × $  3.93 =         $0

────────────────────────────────────────────────────
Month total                                   $3,515

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/5874 is the state's own key, not one this site invented.