MARSHALL, STANLEY G. ET AL

Operated by HILCORP ENERGY COMPANY (P-5 386310) in the J. C. MARTIN (LOBO) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Gas lease lease 98971District 04Field 44957500NGPA filingCondensateGasSaveExport
Value, all time
$10.6 M
Jan 1993 – May 2026
Value, last 12 filed months
$120 k
at the published price for each month
Months reported
401
no gaps in the span
Streams
2
condensate, 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 207 leases and 207 wells, and the rule below applies to all of them.

Discovered
1977-03-01
as the register files it
Field class
Gas
the register's own label
Between wells
0 ft
minimum
From a lease line
467 ft
minimum

A drilling unit in this field needs at least 40 acres. The field rule took effect on 2008-11-12.

The Commission's schedule remark for this field reads: ALLOCATION FORMULA TO REMAIN SUSPENDED.

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
NGPA1none

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
CondensateDisposition66 bbl$4,059
GasProduction4,109,820 Mcf$10,627,788
Total$10,631,847

1,614,800 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 (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 27.0797, -99.2987. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

27.07971, -99.29871 · 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
0.0%
0 of 1 wells
With a plug date
0.0%
0 of 1 wells
Median depth
11,300 ft
1 wells filed one
Completion to plug
no well filed both dates

What the state filed about each well

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

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 11,300 ft.

Completions filed
Dec 1981
1 of 1 wells

1 well

42-50531390311,300 ftDec 1981

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 202602,767106.413.05$8,428
Apr 202602,86598.932.87$8,222
Mar 202603,10289.753.15$9,770
Feb 202602,65763.503.75$9,965
Jan 202602,52359.138.00$20,179
Dec 202502,69156.664.41$11,876
Nov 202502,49058.593.93$9,777
Oct 202502,73959.383.30$9,052
Sep 202502,56862.743.08$7,902
Aug 202502,69863.933.01$8,134
Jul 202502,73966.743.32$9,080
Jun 202502,56166.483.13$8,013
May 202502,88860.553.23$9,335
Apr 202502,77962.363.54$9,846
Mar 202503,19267.704.27$13,624
Feb 202502,53070.884.34$10,982
Jan 202502,80574.324.28$12,002
Dec 202402,73968.993.12$8,549
Nov 202402,77769.052.20$6,105
Oct 202402,88671.372.28$6,584
Sep 202402,92769.612.36$6,920
Aug 202403,00175.632.06$6,193
Jul 202403,06079.932.15$6,569
Jun 202402,97278.082.63$7,828
May 202403,13978.812.20$6,901
Apr 202402,95684.451.66$4,905
Mar 202402,79580.301.55$4,319
Feb 202402,89976.091.78$5,171
Jan 202403,15573.023.30$10,404
Dec 202303,57671.262.61$9,336
Nov 202303,40677.892.81$9,563
Oct 202302,98585.443.09$9,216
Sep 202303,53189.042.74$9,657
Aug 202303,62980.522.67$9,700
Jul 202303,69774.852.64$9,767
Jun 202304,05868.962.26$9,165
May 202302,62870.622.23$5,854
Apr 202303,30678.122.24$7,398
Mar 202303,46872.852.39$8,299
Feb 202303,12475.112.47$7,703
Jan 202303,01276.533.39$10,204
Dec 202203,32976.415.73$19,072
Nov 202202,90085.005.65$16,374
Oct 202202,92087.185.86$17,122
Sep 202202,83484.888.16$23,136
Aug 202202,88694.529.13$26,341
Jul 202202,709101.587.54$20,431
Jun 202202,690115.097.98$21,459
May 202202,964109.378.43$24,996
Apr 202202,465104.226.84$16,855
Mar 202202,813108.885.08$14,280
Feb 202202,49691.054.86$12,128
Jan 202202,52581.844.54$11,458
Dec 202102,62971.323.90$10,251
Nov 202102,30877.435.24$12,087
Oct 202102,40279.795.71$13,725
Sep 202102,38469.865.35$12,757
Aug 202102,56066.024.22$10,805
Jul 202102,53170.783.98$10,079
Jun 202102,61969.493.38$8,854
May 202103,17063.483.02$9,566
Apr 202102,61260.362.76$7,205
Mar 202103,23461.302.72$8,787
Feb 202102,94157.805.55$16,317
Jan 202103,30450.412.81$9,285
Dec 202003,30044.642.68$8,829
Nov 202003,15838.772.71$8,547
Oct 202003,22336.972.48$7,988
Sep 202003,12037.091.99$6,212
Aug 202003,21139.982.39$7,659
Jul 202003,23738.371.83$5,908
Jun 202003,20434.901.69$5,416
May 202003,31016.921.81$6,007
Apr 202003,19514.751.80$5,765
Mar 202003,23630.341.86$6,007
Feb 202003,01049.881.98$5,962
Jan 202003,24457.252.09$6,795
Dec 201903,12359.012.30$7,197
Nov 201903,17455.302.75$8,731
Oct 201903,21653.472.42$7,778
Sep 201902,98955.052.66$7,943
Aug 201903,06153.112.30$7,054
Jul 201903,11856.272.46$7,670
Jun 201903,05852.782.49$7,618
May 201903,23358.482.74$8,859
Apr 201903,15262.632.75$8,670
Mar 201903,41156.803.06$10,445
Feb 201902,65450.852.79$7,411
Jan 201902,78546.033.23$8,990
Dec 201803,15446.594.19$13,201
Nov 201803,03152.934.24$12,843
Oct 201803,11961.443.40$10,599
Sep 201803,14559.543.11$9,775
Aug 201802,86859.403.07$8,795
Jul 201803,06565.142.93$8,986
Jun 201803,03460.183.08$9,335
May 201802,98565.382.90$8,659
Apr 201802,85563.842.90$8,282
Mar 201802,85861.222.79$7,965
Feb 201802,76361.782.77$7,643
Jan 201802,97262.874.01$11,916
Dec 201702,98057.272.92$8,706
Nov 201702,82655.423.12$8,812
Oct 201703,02049.292.98$9,011
Sep 201702,80447.523.09$8,657
Aug 201703,05045.373.00$9,163
Jul 201702,91643.873.09$9,003
Jun 201702,89342.493.09$8,932
May 201702,99745.373.26$9,780
Apr 201702,77447.933.21$8,909
Mar 201702,99246.772.98$8,927
Feb 201702,75450.452.95$8,131
Jan 201703,39649.413.42$11,610
Dec 201603,01448.763.72$11,221
Nov 201603,13642.492.64$8,293
Oct 201603,05846.193.09$9,450
Sep 201603,01141.553.10$9,336
Aug 201602,84541.442.92$8,320
Jul 201602,75941.622.92$8,068
Jun 201602,58745.352.69$6,948
May 201602,93142.521.99$5,836
Apr 201602,80936.561.99$5,593
Mar 201602,93233.011.79$5,260
Feb 201602,91426.472.06$6,013
Jan 201602,95727.352.36$6,991
Dec 201502,90032.362.00$5,804
Nov 201502,77038.792.17$6,004
Oct 201502,83043.552.43$6,867
Sep 201502,77742.992.76$7,660
Aug 201502,88240.162.87$8,279
Jul 201502,81648.152.95$8,293
Jun 201502,97356.152.88$8,571
May 201502,93955.212.96$8,686
Apr 201502,54749.822.71$6,894
Mar 201502,91342.892.93$8,549
Feb 201502,64644.662.98$7,875
Jan 201502,92843.433.10$9,079
Dec 201403,14754.693.59$11,302
Nov 201403,09570.464.25$13,159
Oct 201403,23478.303.90$12,616
Sep 201403,34586.164.05$13,532
Aug 201403,60989.394.04$14,563
Jul 201403,60896.564.18$15,080
Jun 201403,44498.164.74$16,314
May 201403,58694.734.73$16,949
Apr 201403,62395.944.81$17,423
Mar 201404,05495.895.06$20,500
Feb 201403,86897.406.19$23,951
Jan 201404,24190.404.86$20,614
Dec 201304,05191.824.35$17,640
Nov 201304,40188.853.74$16,452
Oct 201305,76497.423.78$21,784
Sep 20130583104.113.72$2,167
Aug 201302,508104.253.52$8,835
Jul 201302,712102.523.72$10,083
Jun 201303,30594.403.93$13,000
May 201303,93094.834.15$16,306
Apr 201304,30493.964.28$18,432
Mar 201302,90193.623.91$11,351
Feb 2013243,86991.233.42$15,421
Jan 201303,08491.603.42$10,547
Dec 201203,83186.773.42$13,103
Nov 201203,82486.953.62$13,862
Oct 201203,97789.383.40$13,521
Sep 201203,57994.672.92$10,445
Aug 201203,94292.662.91$11,464
Jul 201203,96485.133.02$11,974
Jun 201204,29779.822.52$10,824
May 201204,09691.612.49$10,192
Apr 201204,137101.652.00$8,261
Mar 201203,861105.052.22$8,579
Feb 201203,640101.102.57$9,356
Jan 201203,84798.092.73$10,518
Dec 201104,30496.873.24$13,944
Nov 201103,72995.723.31$12,348
Oct 201103,99884.983.65$14,587
Sep 201104,06083.623.99$16,182
Aug 201104,37483.404.15$18,149
Jul 201104,28794.144.52$19,365
Jun 201104,43892.904.64$20,592
May 201104,81998.134.40$21,227
Apr 201104,680105.964.33$20,280
Mar 201104,62096.364.06$18,745
Feb 201104,02585.644.18$16,824
Jan 201104,35486.504.59$19,980
Dec 201004,36985.734.35$18,995
Nov 201004,41980.843.80$16,772
Oct 201004,38278.103.51$15,376
Sep 201004,62372.633.98$18,397
Aug 201005,00573.684.42$22,119
Jul 201004,86572.554.74$23,043
Jun 201004,89670.364.91$24,041
May 201005,12471.124.24$21,701
Apr 201004,43081.694.12$18,264
Mar 201005,12978.394.39$22,509
Feb 201004,97873.585.44$27,092
Jan 201005,08074.365.96$30,298
Dec 200905,28271.445.48$28,965
Nov 200905,76674.593.75$21,631
Oct 200905,81272.544.11$23,889
Sep 200904,71665.543.06$14,453
Aug 200904,13667.423.22$13,312
Jul 200904,46461.133.46$15,466
Jun 200904,38566.163.90$17,080
May 200904,84654.743.93$19,024
Apr 200904,86146.773.59$17,439
Mar 200904,83642.144.06$19,629
Feb 200904,27532.814.63$19,806
Jan 200904,94335.865.37$26,549
Dec 200804,78737.105.98$28,613
Nov 200805,01355.496.86$34,391
Oct 200805,12175.246.92$35,447
Sep 200805,274101.767.88$41,544
Aug 200805,317114.228.48$45,104
Jul 200805,517131.0811.39$62,835
Jun 200805,503131.3313.03$71,719
May 200805,638123.1711.57$65,256
Apr 200804,593110.3110.45$48,019
Mar 200806,284101.909.66$60,729
Feb 200803,74392.538.77$32,828
Jan 200803,91390.388.21$32,109
Dec 200705,88588.337.30$42,972
Nov 200706,05091.677.29$44,115
Oct 200705,20582.856.92$36,029
Sep 200704,63875.846.24$28,960
Aug 200706,38969.066.39$40,813
Jul 200706,67670.906.39$42,646
Jun 200705,36362.007.55$40,482
May 200706,89258.747.85$54,077
Apr 200706,37459.617.81$49,750
Mar 200707,45356.927.30$54,422
Feb 200704,98855.108.22$40,981
Jan 200706,26750.306.73$42,157
Dec 200606,65256.656.92$46,021
Nov 200606,52254.207.62$49,681
Oct 200606,77954.906.01$40,768
Sep 200606,74360.085.04$33,966
Aug 200607,09368.717.34$52,062
Jul 200606,72369.376.34$42,642
Jun 200605,39966.286.38$34,467
May 200607,44666.016.42$47,841
Apr 200604,67464.397.36$34,403
Mar 200606,85956.707.08$48,582
Feb 200605,30457.597.75$41,112
Jan 200607,74860.598.93$69,215
Dec 200508,09254.9413.42$108,557
Nov 200508,40154.6910.59$88,953
Oct 200508,12858.3413.80$112,132
Sep 200509,17161.4512.08$110,777
Aug 200509,14261.519.80$89,563
Jul 200509,04655.697.84$70,954
Jun 200508,17652.337.38$60,347
May 2005419,10545.226.65$62,413
Apr 200509,46749.207.36$69,682
Mar 200508,82950.377.15$63,170
Feb 200508,09745.226.31$51,108
Jan 200508,98343.166.32$56,792
Dec 2004010,60739.866.75$71,609
Nov 2004011,33845.286.33$71,774
Oct 2004011,30849.706.52$73,673
Sep 2004011,81643.245.28$62,435
Aug 2004010,08442.375.55$55,973
Jul 2004011,32538.286.08$68,903
Jun 2004011,74536.106.43$75,556
May 2004012,31937.486.49$80,007
Apr 2004011,71934.475.86$68,655
Mar 2004013,30434.365.53$73,573
Feb 2004014,13232.455.51$77,862
Jan 2004015,73432.036.30$99,119
Dec 2003016,27630.266.30$102,565
Nov 2003016,84628.804.60$77,410
Oct 2003017,37528.174.76$82,699
Sep 2003017,98726.314.75$85,427
Aug 2003019,84229.765.13$101,784
Jul 2003021,28729.415.17$110,072
Jun 2003021,71528.565.98$129,920
May 2003021,66426.595.97$129,392
Apr 2003024,05126.675.41$130,050
Mar 2003023,28231.146.10$141,928
Feb 2003021,00933.487.93$166,515
Jan 2003011,65330.315.58$65,048
Dec 200208,29326.914.85$40,252
Nov 200208,16124.664.14$33,762
Oct 200206,80526.464.23$28,779
Sep 200208,43527.443.64$30,663
Aug 200208,48425.963.16$26,845
Jul 200209,25324.583.06$28,330
Jun 200209,05023.733.34$30,211
May 200209,54424.663.58$34,206
Apr 200209,40723.653.51$33,040
Mar 2002010,57522.003.10$32,811
Feb 200209,03918.222.38$21,474
Jan 2002010,26217.172.38$24,379
Dec 200109,17416.932.36$21,691
Nov 200109,61718.072.41$23,134
Oct 200109,82419.782.53$24,844
Sep 200109,15224.262.25$20,604
Aug 200108,56824.873.05$26,159
Jul 200102,92723.933.20$9,358
Jun 2001060724.563.82$2,321
May 200109,55325.524.31$41,148
Apr 2001013,59424.685.34$72,528
Mar 2001017,13324.545.38$92,115
Feb 2001014,93427.755.77$86,126
Jan 2001016,55527.478.40$139,041
Dec 2000014,77826.889.12$134,812
Nov 2000015,03032.215.66$85,040
Oct 2000015,85231.235.15$81,566
Sep 2000015,64831.875.19$81,158
Aug 2000016,79129.644.54$76,244
Jul 2000016,89328.534.09$69,088
Jun 2000016,53829.304.40$72,722
May 2000016,07427.263.68$59,148
Apr 2000016,18124.513.12$50,420
Mar 2000017,57428.422.86$50,257
Feb 2000016,27527.622.73$44,374
Jan 2000011,48025.272.48$28,476
Dec 1999017,10824.282.42$41,465
Nov 1999015,01023.192.43$36,534
Oct 1999016,22720.982.80$45,496
Sep 1999015,78521.752.62$41,339
Aug 1999017,52219.262.88$50,386
Jul 1999015,91217.892.37$37,749
Jun 1999016,69615.942.36$39,438
May 1999013,95015.792.32$32,378
Apr 1999016,51915.102.21$36,475
Mar 1999017,67712.471.84$32,496
Feb 1999016,5329.981.82$30,052
Jan 1999019,00010.381.90$36,099
Dec 1998018,7579.201.77$33,262
Nov 1998017,83710.892.19$38,987
Oct 1998016,10312.421.97$31,710
Sep 1998017,19912.592.08$35,819
Aug 1998019,12411.301.91$36,476
Jul 1998018,18911.742.24$40,694
Jun 1998016,52011.242.24$36,960
May 1998018,31012.622.21$40,398
Apr 1998017,77313.042.51$44,527
Mar 1998018,97812.802.31$43,829
Feb 1998018,82213.952.30$43,274
Jan 1998020,81714.702.15$44,856
Dec 1997021,86416.322.41$52,716
Nov 1997021,70918.193.09$67,043
Oct 1997021,78219.253.15$68,609
Sep 1997019,94117.742.95$58,923
Aug 1997022,06917.862.55$56,381
Jul 1997022,77717.582.25$51,179
Jun 1997021,84117.242.26$49,300
May 1997022,28318.972.31$51,440
Apr 1997022,19517.882.08$46,227
Mar 1997023,00418.951.94$44,608
Feb 1997021,31720.492.21$47,023
Jan 1997023,26823.483.54$82,362
Dec 1996024,36223.32$0
Nov 1996021,85321.97$0
Oct 1996022,96623.31$0
Sep 1996022,82022.22$0
Aug 1996024,20420.26$0
Jul 1996025,01619.55$0
Jun 1996025,26718.73$0
May 1996025,44819.43$0
Apr 1996026,26621.51$0
Mar 1996025,33019.38$0
Feb 1996023,50416.98$0
Jan 1996024,88517.07$0
Dec 1995028,11617.19$0
Nov 1995025,65616.00$0
Oct 1995016,32815.43$0
Sep 1995026,14216.18$0
Aug 1995027,71315.92$0
Jul 1995128,63115.24$15
Jun 1995028,05216.41$0
May 1995021,56717.56$0
Apr 1995025,49717.73$0
Mar 1995022,43516.44$0
Feb 1995019,32716.58$0
Jan 1995028,80615.92$0
Dec 1994032,94715.03$0
Nov 1994033,68315.90$0
Oct 1994036,36615.58$0
Sep 1994035,57615.29$0
Aug 1994037,36816.13$0
Jul 1994038,00817.56$0
Jun 1994035,66917.09$0
May 1994038,72815.88$0
Apr 1994039,66814.14$0
Mar 1994041,31212.46$0
Feb 1994039,38512.50$0
Jan 1994043,47612.66$0
Dec 1993039,60612.33$0
Nov 1993033,51814.49$0
Oct 1993036,36615.85$0
Sep 1993042,21515.03$0
Aug 1993040,41715.66$0
Jul 1993047,54615.46$0
Jun 1993045,09516.79$0
May 1993053,77817.68$0
Apr 1993054,35518.05$0
Mar 1993059,30518.14$0
Feb 1993056,12017.90$0
Jan 1993064,10216.93$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
Condensate             0 bbl  × $106.41 =         $0
Gas                2,767 Mcf  × $  3.05 =     $8,428

────────────────────────────────────────────────────
Month total                                   $8,428

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. 04/G/98971 is the state's own key, not one this site invented.