ROBINSON RANCH

Operated by TARPON OIL & GAS CO. (P-5 836178) in the MALLORY (STRAWN) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 28737District 7BField 56978800OilCasinghead gasSave
Value, all time
$32.8 M
Jan 2000 – May 2026
Value, last 12 filed months
$532 k
at the published price for each month
Months reported
317
no gaps in the span
Streams
2
oil, casinghead gas

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
OilDisposition478,118 bbl$28,575,529
Casinghead gasProduction790,030 Mcf$4,189,458
Total$32,764,986

Wells on this lease (28)

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 32.6476, -98.5119. A lease has no coordinate of its own — that point is the mean of its wells, and they span 2.7 miles.

32.64261, -98.51456 · 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
3.6%
1 of 28 wells
With a plug date
10.7%
3 of 28 wells
Median depth
1,683 ft
28 wells filed one
Completion to plug
13.4 years
median over 1 wells

What the state filed about each well

On the RRC proration schedule
13.6%
A plug date is filed
310.7%
BothOn the schedule and plugged. Neither fact cancels the other.
13.6%
NeitherNo plug date, and not on the schedule.
2589.3%

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

0k
2k
4k
6k
8k
10k
12k
15k
20k+

Total depth in feet, 28 of 28 wells. Median 1,683 ft, with the middle half between 1,648 and 1,742 ft; the shallowest is 1,558 ft and the deepest 4,260 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

00s
10s

Last completion by decade, 28 of 28 wells, Jan 2000 – May 2014. This is the LAST completion filed on each wellbore, not the first — a well recompleted in 2019 counts once, in the 2010s.

Completions filed
Jan 2000 – May 2014
28 of 28 wells
Plug dates filed
Aug 1994 – Oct 2025
3 of 28 wells; 25 filed none

Last completion to plug: a median of 13.4 years across the 1 well that filed both dates, with the middle half between 13.4 years and 13.4 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.

28 wells

42-36336194181,655 ftMay 2014
42-3633620064121,655 ftMar 2014
42-36336056191,700 ftMay 2012Oct 2025Yes
42-36335946151,650 ftSep 2009
42-3633559869081,600 ftApr 2007
42-3633539764111,638 ftDec 2005
42-3633538669051,674 ftMay 2005
42-3633535664081,636 ftMay 2005
42-3633531064071,643 ftDec 2004
42-3633529664061,665 ftOct 2004
42-3633527964041,657 ftAug 2004
42-3633527264031,657 ftAug 2004
42-3633527164021,641 ftJul 2004
42-3633525769041,558 ftMay 2004
42-3633525164011,691 ftMay 2004
42-3633522869031,625 ftApr 2004
42-36334300111,809 ftJul 2003Aug 1994
42-36335120121,739 ftJan 2003
42-3633507869021,820 ftJun 2002
42-3633504991,725 ftDec 2001
42-36335017104,164 ftAug 2001
42-3633499371,701 ftJun 2001
42-3633499261,693 ftJun 2001
42-3633444169014,260 ftApr 2001Jun 1997
42-3633497041,752 ftJan 2001
42-3633492331,752 ftSep 2000
42-3633490421,762 ftApr 2000
42-3633486611,702 ftJan 2000

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 (317)

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

317 months

May 20266990106.413.05$74,381
Apr 2026515098.932.87$50,949
Mar 2026905089.753.15$81,224
Feb 2026368063.503.75$23,368
Jan 2026362059.138.00$21,405
Dec 2025736056.664.41$41,702
Nov 2025359058.593.93$21,034
Oct 2025532059.383.30$31,590
Sep 2025533062.743.08$33,440
Aug 2025886063.933.01$56,642
Jul 2025720066.743.32$48,053
Jun 2025721066.483.13$47,932
May 20251,082060.553.23$65,515
Apr 20251,273062.363.54$79,384
Mar 20251,263067.704.27$85,505
Feb 2025490070.884.34$34,731
Jan 2025713074.324.28$52,990
Dec 2024902068.993.12$62,229
Nov 20241,265069.052.20$87,348
Oct 20241,442071.372.28$102,916
Sep 20241,050069.612.36$73,091
Aug 2024717075.632.06$54,227
Jul 20241,369079.932.15$109,424
Jun 20241,249078.082.63$97,522
May 20241,428078.812.20$112,541
Apr 2024700084.451.66$59,115
Mar 2024567080.301.55$45,530
Feb 2024927076.091.78$70,535
Jan 2024541073.023.30$39,504
Dec 2023881071.262.61$62,780
Nov 2023739077.892.81$57,561
Oct 2023559085.443.09$47,761
Sep 2023734089.042.74$65,355
Aug 2023742080.522.67$59,746
Jul 2023550074.852.64$41,168
Jun 20231,110068.962.26$76,546
May 2023744070.622.23$52,541
Apr 2023740078.122.24$57,809
Mar 20231,286072.852.39$93,685
Feb 2023760075.112.47$57,084
Jan 2023775076.533.39$59,311
Dec 2022906076.415.73$69,227
Nov 20221,131085.005.65$96,135
Oct 2022739087.185.86$64,426
Sep 20221,271084.888.16$107,882
Aug 2022738094.529.13$69,756
Jul 20221,2990101.587.54$131,952
Jun 20221,1230115.097.98$129,246
May 20221,4490109.378.43$158,477
Apr 20221,3060104.226.84$136,111
Mar 20221,2750108.885.08$138,822
Feb 20221,123091.054.86$102,249
Jan 20221,321081.844.54$108,111
Dec 20211,890071.323.90$134,795
Nov 20211,515077.435.24$117,306
Oct 20211,669079.795.71$133,170
Sep 20211,281069.865.35$89,491
Aug 20211,675066.024.22$110,584
Jul 20211,858070.783.98$131,509
Jun 20212,018069.493.38$140,231
May 20211,855063.483.02$117,755
Apr 20212,683060.362.76$161,946
Mar 20212,186061.302.72$134,002
Feb 20211,167057.805.55$67,453
Jan 20212,028050.412.81$102,231
Dec 20202,178044.642.68$97,226
Nov 20202,015038.772.71$78,122
Oct 20201,171036.972.48$43,292
Sep 20201,994037.091.99$73,957
Aug 20201,331039.982.39$53,213
Jul 20201,714038.371.83$65,766
Jun 20201,841034.901.69$64,251
May 20200016.921.81$0
Apr 20201,511014.751.80$22,287
Mar 20201,837030.341.86$55,735
Feb 20201,482049.881.98$73,922
Jan 20201,828057.252.09$104,653
Dec 20192,019059.012.30$119,141
Nov 20191,863055.302.75$103,024
Oct 20191,674053.472.42$89,509
Sep 20192,000055.052.66$110,100
Aug 20191,844053.112.30$97,935
Jul 20191,860056.272.46$104,662
Jun 20191,343052.782.49$70,884
May 20191,369058.482.74$80,059
Apr 20191,201062.632.75$75,219
Mar 20191,026056.803.06$58,277
Feb 20191,711050.852.79$87,004
Jan 20191,042046.033.23$47,963
Dec 20181,555046.594.19$72,447
Nov 20181,359052.934.24$71,932
Oct 20181,538061.443.40$94,495
Sep 20181,700059.543.11$101,218
Aug 20181,355059.403.07$80,487
Jul 20181,699065.142.93$110,673
Jun 20181,008060.183.08$60,661
May 20181,011065.382.90$66,099
Apr 20181,355063.842.90$86,503
Mar 20181,530061.222.79$93,667
Feb 20181,194061.782.77$73,765
Jan 20181,342062.874.01$84,372
Dec 20171,018057.272.92$58,301
Nov 20171,183055.423.12$65,562
Oct 20171,365049.292.98$67,281
Sep 20171,362047.523.09$64,722
Aug 20171,025045.373.00$46,504
Jul 20171,020043.873.09$44,747
Jun 20171,130042.493.09$48,014
May 20171,348045.373.26$61,159
Apr 20171,196047.933.21$57,324
Mar 20171,185046.772.98$55,422
Feb 201766610750.452.95$33,916
Jan 201734014249.413.42$17,285
Dec 201634614248.763.72$17,400
Nov 20161,02311242.492.64$43,763
Oct 201685511646.193.09$39,851
Sep 20165127441.553.10$21,503
Aug 201685443441.442.92$36,659
Jul 201667442241.622.92$29,286
Jun 201684173745.352.69$40,119
May 201684881942.521.99$37,688
Apr 201634453436.561.99$13,640
Mar 2016323033.011.79$10,662
Feb 20161,1911,47726.472.06$34,574
Jan 20161,0251,22627.352.36$30,932
Dec 20151,0121,20132.362.00$35,152
Nov 20151,1811,23138.792.17$48,479
Oct 20151,1771,08643.552.43$53,894
Sep 20151,1731,51942.992.76$54,617
Aug 20151,1782,08940.162.87$53,309
Jul 20151,3411,52948.152.95$69,072
Jun 20151,3011,30256.152.88$76,805
May 20151,1821,28955.212.96$69,068
Apr 20151,3401,34849.822.71$70,407
Mar 20151,0122,09742.892.93$49,559
Feb 201584191944.662.98$40,294
Jan 20151,18798543.433.10$54,606
Dec 20141,0221,31554.693.59$60,616
Nov 20141,1981,18370.464.25$89,441
Oct 20141,6921,36378.303.90$137,801
Sep 20141,0021,44086.164.05$92,158
Aug 20141,3602,03089.394.04$129,762
Jul 20141,17683596.564.18$117,045
Jun 20141,0102,69298.164.74$111,893
May 20141,1992,21394.734.73$124,041
Apr 20141,0162,27295.944.81$108,401
Mar 20141,3441,98595.895.06$138,914
Feb 20148401,03097.406.19$88,194
Jan 20148472,51090.404.86$88,769
Dec 20131,3771,83591.824.35$134,427
Nov 20131,1821,45388.853.74$110,452
Oct 20131,0151,98197.423.78$106,368
Sep 20131,1891,677104.113.72$130,021
Aug 20131,1771,791104.253.52$129,011
Jul 20131,0012,189102.523.72$110,761
Jun 20131,1793,01594.403.93$123,157
May 20131,3583,30594.834.15$142,492
Apr 20131,5062,94793.964.28$154,125
Mar 20131,1992,53493.623.91$122,166
Feb 20131,7022,39691.233.42$163,468
Jan 20131,3732,71191.603.42$135,038
Dec 20121,2102,71886.773.42$114,288
Nov 20121,8923,28686.953.62$176,421
Oct 20121,3723,31389.383.40$133,893
Sep 20121,7053,31094.672.92$171,072
Aug 20121,8813,58392.662.91$184,713
Jul 20121,1913,59385.133.02$112,244
Jun 20121,3573,01379.822.52$115,906
May 20121,8543,94291.612.49$179,654
Apr 20122,0403,844101.652.00$215,042
Mar 20121,3613,342105.052.22$150,399
Feb 20121,7403,362101.102.57$184,555
Jan 20122,0613,72498.092.73$212,345
Dec 20111,3793,75196.873.24$145,736
Nov 20111,3843,55795.723.31$144,255
Oct 20111,7173,24784.983.65$157,757
Sep 20111,2053,42983.623.99$114,429
Aug 20111,5252,80583.404.15$138,824
Jul 20111,3743,79894.144.52$146,505
Jun 20111,3692,30492.904.64$137,870
May 201151261998.134.40$52,969
Apr 20118591,543105.964.33$97,706
Mar 20111,0483,02596.364.06$113,259
Feb 20115302,44485.644.18$55,605
Jan 20117022,84486.504.59$73,773
Dec 20101,2033,39085.734.35$117,872
Nov 20101,2243,74980.843.80$113,177
Oct 20107523,99078.103.51$72,732
Sep 20101,3014,24772.633.98$111,392
Aug 20109654,67073.684.42$91,740
Jul 20101,0234,35272.554.74$94,832
Jun 20109344,36570.364.91$87,150
May 20101,2785,04171.124.24$112,241
Apr 20107614,07181.694.12$78,950
Mar 20101,2954,17078.394.39$119,816
Feb 20101,2663,69073.585.44$113,235
Jan 20108023,89074.365.96$82,837
Dec 20091,2111,57871.445.48$95,167
Nov 20091,5671,84274.593.75$123,793
Oct 20091,2162,45172.544.11$98,283
Sep 20091,2022,12765.543.06$85,298
Aug 20091,3742,55167.423.22$100,845
Jul 20091,1822,38161.133.46$80,505
Jun 20091,3642,57166.163.90$100,256
May 20091,5613,01254.743.93$97,274
Apr 20091,2072,59046.773.59$65,743
Mar 20091,3722,82342.144.06$69,275
Feb 20091,2452,42832.814.63$52,097
Jan 20091,2562,36535.865.37$57,743
Dec 20081,6082,25037.105.98$73,105
Nov 20081,5982,19055.496.86$103,697
Oct 20081,7552,57675.246.92$149,877
Sep 20081,4141,585101.767.88$156,374
Aug 20081,0712,666114.228.48$144,945
Jul 20081,5492,609131.0811.39$232,758
Jun 20081,4012,968131.3313.03$222,674
May 20082,1173,573123.1711.57$302,106
Apr 20081,5753,187110.3110.45$207,058
Mar 20081,9382,974101.909.66$226,223
Feb 20081,5893,01292.538.77$173,447
Jan 20081,2222,27590.388.21$129,112
Dec 20071,7602,55988.337.30$174,147
Nov 20071,0342,85091.677.29$115,568
Oct 20071,7462,85982.856.92$164,446
Sep 20072,4813,34175.846.24$209,021
Aug 20073,0334,15869.066.39$236,020
Jul 20072,2984,26970.906.39$190,198
Jun 20073,0194,11562.007.55$218,240
May 20073,0263,70058.747.85$206,778
Apr 20073,2043,39259.617.81$217,466
Mar 20073,5953,62556.927.30$231,097
Feb 20071,9663,08355.108.22$133,657
Jan 20072,2132,89450.306.73$130,781
Dec 20061,2603,26156.656.92$93,940
Nov 20061,9823,06454.207.62$130,764
Oct 20061,7972,57154.906.01$114,117
Sep 20061,6273,09460.085.04$113,335
Aug 20061,9183,31368.717.34$156,103
Jul 20061,8354,14069.376.34$153,553
Jun 20062,4824,16266.286.38$191,077
May 20062,1644,17766.016.42$169,683
Apr 20062,3313,80964.397.36$178,129
Mar 20061,8193,33556.707.08$126,759
Feb 20062,5003,86157.597.75$173,902
Jan 20062,4954,87760.598.93$194,740
Dec 20052,7144,36254.9413.42$207,625
Nov 20052,6244,96154.6910.59$196,036
Oct 20053,0665,11458.3413.80$249,422
Sep 20052,3355,33461.4512.08$207,915
Aug 20053,5915,02861.519.80$270,141
Jul 20053,2305,07455.697.84$219,677
Jun 20053,1965,27852.337.38$206,204
May 20053,2445,68145.226.65$184,479
Apr 20053,6976,01449.207.36$226,158
Mar 20054,2637,14150.377.15$265,820
Feb 20053,7185,80145.226.31$204,743
Jan 20054,8976,15943.166.32$250,293
Dec 20044,4187,33539.866.75$225,621
Nov 20046,79512,14845.286.33$384,580
Oct 20046,94613,91349.706.52$435,861
Sep 20046,18411,47943.245.28$328,050
Aug 20045,84711,47942.375.55$311,453
Jul 200410,62612,66938.286.08$483,844
Jun 200413,76310,86236.106.43$566,720
May 200412,2206,01037.486.49$497,038
Apr 20043,2094,85234.475.86$139,039
Mar 20045245,10834.365.53$46,253
Feb 20043634,09332.455.51$34,330
Jan 20041804,65232.036.30$35,071
Dec 20031722,26930.266.30$19,503
Nov 20031592,59828.804.60$16,517
Oct 20035104,97528.174.76$38,046
Sep 20035124,93126.314.75$36,890
Aug 20031815,42229.765.13$33,200
Jul 20033515,56429.415.17$39,093
Jun 20031824,19328.565.98$30,284
May 20033504,63026.595.97$36,960
Apr 20035384,13326.675.41$36,697
Mar 20037034,71331.146.10$50,622
Feb 20037004,55833.487.93$59,562
Jan 20038965,02030.315.58$55,180
Dec 20026844,51926.914.85$40,341
Nov 20028593,75024.664.14$36,697
Oct 20024945,30426.464.23$35,502
Sep 20028295,39827.443.64$42,371
Aug 20029666,01125.963.16$44,097
Jul 20021,0146,98824.583.06$46,320
Jun 20024886,52723.733.34$33,369
May 20024825,49524.663.58$31,580
Apr 20024646,11723.653.51$32,458
Mar 20028236,31822.003.10$37,709
Feb 20029456,38018.222.38$32,375
Jan 20028267,82617.172.38$32,774
Dec 20018267,75416.932.36$32,318
Nov 20011,3366,96018.072.41$40,884
Oct 20011,5208,58319.782.53$51,771
Sep 20011,8948,66224.262.25$65,449
Aug 20018319,32324.873.05$49,132
Jul 20018657,50623.933.20$44,697
Jun 20019837,82724.563.82$54,074
May 20011,2088,39325.524.31$66,980
Apr 20011,5338,95624.685.34$85,618
Mar 20017079,26624.545.38$67,168
Feb 20017208,99327.755.77$71,843
Jan 20011,4307,34727.478.40$100,988
Dec 20001,2586,70526.889.12$94,981
Nov 20001,4567,98032.215.66$92,049
Oct 20002,3369,46131.235.15$121,635
Sep 20001,8026,30831.875.19$90,146
Aug 20001,0804,88129.644.54$54,175
Jul 20001,4494,97428.534.09$61,682
Jun 20001,6044,88529.304.40$68,478
May 20002,2764,43227.263.68$78,352
Apr 20001,5661,93124.513.12$44,400
Mar 20007231,60528.422.86$25,138
Feb 20001832,35927.622.73$11,486
Jan 20000025.272.48$0

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                  699 bbl  × $106.41 =    $74,381
Casinghead gas         0 Mcf  × $  3.05 =         $0

────────────────────────────────────────────────────
Month total                                  $74,381

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. 7B/O/28737 is the state's own key, not one this site invented.