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BROWN-ALTMAN

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

Oil lease lease 1355District 08Field 28961568Hydrogen sulphide fieldOilCasinghead gasSaveExport
Value, all time
$25.5 M
Jan 1993 – May 2026
Value, last 12 filed months
$348 k
at the published price for each month
Months reported
401
no gaps in the span
Streams
2
oil, casinghead gas

The EMPEROR (HOLT) field

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 18 leases and 71 wells, and the rule below applies to all of them.

Discovered
1946-02-19
as the register files it
Field class
Oil and gas
the register's own label
Between wells
—
no field rule filed
From a lease line
—
no field rule filed

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: “MAX. GAS LIMIT-500MCF PER WELL PER DAY(S.O. 8-68,807)”

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
OilDisposition321,200 bbl$17,970,194
Casinghead gasProduction2,053,811 Mcf$7,496,860
Total$25,467,054

44,032 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 (5)

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 31.7733, -103.0638. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.4 miles.

31.77331, -103.06383 · 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
20.0%
1 of 5 wells
With a plug date
20.0%
1 of 5 wells
Median depth
4,827 ft
5 wells filed one
Completion to plug
53.4 years
median over 1 well

What the state filed about each well

On the RRC proration schedule
120.0%
A plug date is filed
120.0%
BothOn the schedule and plugged. Neither fact cancels the other.
120.0%
NeitherNo plug date, and not on the schedule.
480.0%

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

Between 4,780 and 4,900 ft, median 4,827 ft, over the 5 wells that filed a depth.

Completions filed
Mar 1964 – Aug 2009
2 of 5 wells; 3 filed none
Plug dates filed
Aug 2017
1 of 5 wells; 4 filed none

Last completion to plug: a median of 53.4 years across the 1 well that filed both dates, with the middle half between 53.4 years and 53.4 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

5 wells

42-49505199194,827 ft———
42-49505201204,780 ft———
42-49505202214,825 ft———
42-49533256234,900 ftAug 2009——
42-4950520310 L4,841 ftMar 1964Aug 2017Yes

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 2026520330106.413.05$56,338
Apr 202652724898.932.87$52,848
Mar 202651841689.753.15$47,801
Feb 20263536663.503.75$22,663
Jan 20266912659.138.00$41,067
Dec 20257081956.664.41$40,199
Nov 2025515058.593.93$30,174
Oct 2025170059.383.30$10,095
Sep 2025170062.743.08$10,666
Aug 2025168163.933.01$10,743
Jul 202517246266.743.32$13,011
Jun 20251787066.483.13$12,052
May 202517116360.553.23$10,881
Apr 202505662.363.54$198
Mar 20250067.704.27$0
Feb 20250070.884.34$0
Jan 20255268074.324.28$39,435
Dec 2024346068.993.12$23,871
Nov 202434816169.052.20$24,383
Oct 202434516171.372.28$24,990
Sep 202434715369.612.36$24,516
Aug 202434317275.632.06$26,296
Jul 202453716679.932.15$43,279
Jun 202434613478.082.63$27,369
May 202451710378.812.20$40,971
Apr 202434513084.451.66$29,351
Mar 20243478780.301.55$27,999
Feb 2024012076.091.78$214
Jan 202418112473.023.30$13,626
Dec 202318713571.262.61$13,678
Nov 20231822277.892.81$14,238
Oct 20233701785.443.09$31,665
Sep 20231724789.042.74$15,443
Aug 202353710980.522.67$43,531
Jul 202337013974.852.64$28,062
Jun 202337017268.962.26$25,904
May 202355620470.622.23$39,719
Apr 202337625078.122.24$29,933
Mar 202352310872.852.39$38,359
Feb 20235553,90475.112.47$51,312
Jan 20235283,92776.533.39$53,711
Dec 20221,0353,62676.415.73$99,858
Nov 20229144,97785.005.65$105,791
Oct 20225434,63187.185.86$74,494
Sep 20229044,13384.888.16$110,472
Aug 20221694,02494.529.13$52,702
Jul 202202,323101.587.54$17,520
Jun 2022336319115.097.98$41,215
May 20227795,075109.378.43$127,997
Apr 20227495,168104.226.84$113,398
Mar 20227765,322108.885.08$111,507
Feb 20227774,90091.054.86$94,554
Jan 20227855,58681.844.54$89,592
Dec 20215825,91971.323.90$64,587
Nov 20217725,33777.435.24$87,725
Oct 20215815,45579.795.71$77,527
Sep 20217626,01469.865.35$85,414
Aug 20211,3046,32766.024.22$112,794
Jul 20219306,60970.783.98$92,143
Jun 20219176,26769.493.38$84,909
May 20217475,42563.483.02$63,790
Apr 20217255,43160.362.76$58,742
Mar 20219486,35161.302.72$75,368
Feb 20215784,92657.805.55$60,738
Jan 20217636,55550.412.81$56,884
Dec 20209337,08744.642.68$60,610
Nov 20201,0935,17638.772.71$56,385
Oct 20209395,42236.972.48$48,153
Sep 20209294,70937.091.99$43,832
Aug 20201,1738,03439.982.39$66,058
Jul 20206824,85838.371.83$35,035
Jun 20206776,57134.901.69$34,734
May 20201,2996,00416.921.81$32,875
Apr 20203546,78014.751.80$17,455
Mar 20209817,52130.341.86$43,724
Feb 20209636,49549.881.98$60,899
Jan 20207976,15957.252.09$58,530
Dec 20199337,67259.012.30$72,735
Nov 20191,0296,25455.302.75$74,107
Oct 20191,0907,07553.472.42$75,393
Sep 20199826,62055.052.66$71,650
Aug 20191,0768,20153.112.30$76,044
Jul 20196629,01256.272.46$59,421
Jun 20198508,00352.782.49$64,800
May 20191,0638,50258.482.74$85,462
Apr 20191,0498,38862.632.75$88,772
Mar 20191,0038,90756.803.06$84,245
Feb 20199127,55850.852.79$67,479
Jan 20199738,64946.033.23$72,708
Dec 20185966,98046.594.19$56,982
Nov 20189618,04752.934.24$84,963
Oct 20188508,30361.443.40$80,438
Sep 20187489,32259.543.11$73,509
Aug 20186889,28159.403.07$69,328
Jul 20187159,27465.142.93$73,765
Jun 20187759,68760.183.08$76,446
May 20186809,70165.382.90$72,599
Apr 20183716,60963.842.90$42,856
Mar 20186658,85061.222.79$65,375
Feb 20186998,83261.782.77$67,615
Jan 20187919,43862.874.01$87,570
Dec 201771010,59157.272.92$71,604
Nov 20177039,50255.423.12$68,591
Oct 201770111,06849.292.98$67,576
Sep 201761810,39847.523.09$61,469
Aug 201764710,06045.373.00$59,579
Jul 201782411,79143.873.09$72,551
Jun 201776011,86542.493.09$68,923
May 201770110,81045.373.26$67,082
Apr 20175788,76547.933.21$55,853
Mar 201751211,35646.772.98$57,829
Feb 201771510,44850.452.95$66,921
Jan 201746511,41649.413.42$62,005
Dec 20167509,65748.763.72$72,521
Nov 201674310,77042.492.64$60,050
Oct 201681911,67046.193.09$73,893
Sep 201682111,45241.553.10$69,621
Aug 201672011,77041.442.92$64,256
Jul 201674411,86741.622.92$65,668
Jun 201680911,88245.352.69$68,601
May 201691313,00142.521.99$64,706
Apr 201688612,76336.561.99$57,804
Mar 201680013,38633.011.79$50,423
Feb 201653710,25826.472.06$35,383
Jan 20165597,90027.352.36$33,967
Dec 201541413,32332.362.00$40,062
Nov 201558411,16638.792.17$46,854
Oct 20153349,64743.552.43$37,955
Sep 201550211,71042.992.76$53,882
Aug 201550313,17640.162.87$58,048
Jul 20155379,78348.152.95$54,668
Jun 201575512,75056.152.88$79,150
May 201598212,93955.212.96$92,457
Apr 20151,04516,20549.822.71$95,922
Mar 201599714,73342.892.93$85,998
Feb 201585815,16144.662.98$83,440
Jan 20154979,96743.433.10$52,489
Dec 201493916,27454.693.59$109,800
Nov 20141,09216,48870.464.25$147,047
Oct 20141,08717,57678.303.90$153,675
Sep 201489813,99586.164.05$133,988
Aug 20141,33811,95889.394.04$167,856
Jul 20141,10312,68696.564.18$159,528
Jun 20141,20913,02798.164.74$180,383
May 20141,1019,58694.734.73$149,607
Apr 20141,31412,07795.944.81$184,145
Mar 20141,34114,46195.895.06$201,715
Feb 20141,11613,31597.406.19$191,145
Jan 20141,29315,89690.404.86$194,153
Dec 20131,42015,91991.824.35$199,703
Nov 20131,32314,72388.853.74$172,587
Oct 20131,43015,13197.423.78$196,496
Sep 20131,13712,387104.113.72$164,425
Aug 20131,39315,471104.253.52$199,719
Jul 20131,37015,938102.523.72$199,706
Jun 20131,54515,06594.403.93$205,105
May 20131,01215,57094.834.15$160,569
Apr 20131,19515,43693.964.28$178,388
Mar 20131,56215,34993.623.91$206,293
Feb 20131,19815,03891.233.42$160,722
Jan 20131,29717,62691.603.42$179,085
Dec 20121,53017,79286.773.42$193,610
Nov 20121,26017,99186.953.62$174,774
Oct 20121,06215,44389.383.40$147,423
Sep 201288211,68694.672.92$117,603
Aug 20121,19211,98092.662.91$145,290
Jul 20121,17514,63385.133.02$144,231
Jun 20121,66215,98079.822.52$172,915
May 20121,71518,44891.612.49$203,016
Apr 20121,52018,151101.652.00$190,752
Mar 20121,41419,355105.052.22$191,549
Feb 20121,21515,875101.102.57$163,639
Jan 20121,2476,71898.092.73$140,686
Dec 20111,96019,30596.873.24$252,408
Nov 20111,64018,56495.723.31$218,451
Oct 20111,79018,73584.983.65$220,470
Sep 20111,71818,29283.623.99$216,567
Aug 20111,83620,07383.404.15$236,412
Jul 20111,69820,19894.144.52$251,089
Jun 20111,42618,67192.904.64$219,107
May 20111,60019,89598.134.40$244,642
Apr 20111,67019,579105.964.33$261,794
Mar 20111,71020,36996.364.06$247,420
Feb 20111,54417,40585.644.18$204,981
Jan 20111,79719,68186.504.59$245,752
Dec 20101,75019,69885.734.35$235,669
Nov 20101,64418,56680.843.80$203,365
Oct 20101,85216,41578.103.51$202,240
Sep 20101,65417,11372.633.98$188,231
Aug 20101,41016,01573.684.42$174,665
Jul 20101,73416,03872.554.74$201,766
Jun 20101,71314,91170.364.91$193,746
May 20101,56212,86371.124.24$165,567
Apr 20101,06011,96781.694.12$135,928
Mar 20101,13414,31678.394.39$151,722
Feb 20101,28012,96073.585.44$164,715
Jan 20101,41718,28074.365.96$214,392
Dec 20091,17415,54771.445.48$169,126
Nov 20091,8156,69874.593.75$160,508
Oct 20098626,63272.544.11$89,789
Sep 20091,0834,38665.543.06$84,422
Aug 2009641067.423.22$43,216
Jul 20091,1277,85961.133.46$96,121
Jun 20091,24716,83566.163.90$148,074
May 20097398,80954.743.93$75,035
Apr 20097554,55146.773.59$51,638
Mar 200999915,96042.144.06$106,880
Feb 200951845432.814.63$19,099
Jan 200962958735.865.37$25,709
Dec 200860948937.105.98$25,517
Nov 20088656,47255.496.86$92,399
Oct 200898910,84075.246.92$149,447
Sep 20086513,802101.767.88$96,194
Aug 20085361,092114.228.48$70,485
Jul 2008655905131.0811.39$96,165
Jun 20086921,000131.3313.03$103,913
May 20081,2472,416123.1711.57$181,556
Apr 20081,3482,298110.3110.45$172,723
Mar 20081,8002,606101.909.66$208,605
Feb 200877665792.538.77$77,566
Jan 200870778690.388.21$70,348
Dec 200772578988.337.30$69,801
Nov 200762767791.677.29$62,414
Oct 200780982782.856.92$72,750
Sep 200771283375.846.24$59,199
Aug 200769572469.066.39$52,622
Jul 200764285370.906.39$50,967
Jun 200763580962.007.55$45,477
May 200762494158.747.85$44,037
Apr 200756787459.617.81$40,621
Mar 200760995156.927.30$41,608
Feb 200754374955.108.22$36,073
Jan 200761490150.306.73$36,945
Dec 200667592956.656.92$44,666
Nov 200666782154.207.62$42,405
Oct 200670489954.906.01$44,056
Sep 200671591160.085.04$47,546
Aug 200672888068.717.34$56,480
Jul 200660970369.376.34$46,705
Jun 200671698966.286.38$53,770
May 20067531,03666.016.42$56,362
Apr 200672879464.397.36$52,720
Mar 200672558656.707.08$45,258
Feb 200667183057.597.75$45,076
Jan 200671086260.598.93$50,719
Dec 20056761,03254.9413.42$50,984
Nov 20050054.6910.59$0
Oct 20050058.3413.80$0
Sep 20057261,04061.4512.08$57,175
Aug 20057431,13861.519.80$56,851
Jul 20057181,08755.697.84$48,511
Jun 20057431,10452.337.38$47,030
May 20057281,09845.226.65$40,223
Apr 20057121,12049.207.36$43,274
Mar 20057431,15950.377.15$45,717
Feb 20056761,03645.226.31$37,108
Jan 200554689443.166.32$29,217
Dec 200456895939.866.75$29,115
Nov 20047601,12845.286.33$41,554
Oct 20047541,04649.706.52$44,289
Sep 200472179143.245.28$35,356
Aug 200473896042.375.55$36,598
Jul 20047451,05438.286.08$34,931
Jun 20047111,03936.106.43$32,351
May 20047301,02237.486.49$33,998
Apr 200474292534.475.86$30,996
Mar 20047251,04134.365.53$30,668
Feb 200467391632.455.51$26,886
Jan 200477398132.036.30$30,939
Dec 200373489930.266.30$27,876
Nov 200371298328.804.60$25,023
Oct 20037451,05628.174.76$26,013
Sep 200374483226.314.75$23,526
Aug 200368996429.765.13$25,450
Jul 200373092829.415.17$26,268
Jun 200375376628.565.98$26,089
May 200372158326.595.97$22,653
Apr 200371794526.675.41$24,232
Mar 20037591,03731.146.10$29,957
Feb 200368792633.487.93$30,340
Jan 200366998030.315.58$25,748
Dec 200271878926.914.85$23,151
Nov 200271667124.664.14$20,432
Oct 200269073326.464.23$21,357
Sep 200268683427.443.64$21,856
Aug 200268777725.963.16$20,293
Jul 20027151,40524.583.06$21,876
Jun 20027471,74323.733.34$23,545
May 200270884224.663.58$20,477
Apr 200270280023.653.51$19,412
Mar 200268987422.003.10$17,870
Feb 200268382218.222.38$14,397
Jan 20027111,02517.172.38$14,643
Dec 20017371,16116.932.36$15,222
Nov 20017271,55718.072.41$16,882
Oct 20017281,03319.782.53$17,012
Sep 200171785324.262.25$19,315
Aug 200175996624.873.05$21,826
Jul 200171283723.933.20$19,714
Jun 200166977124.563.82$19,379
May 200162546625.524.31$17,957
Apr 200156332624.685.34$15,634
Mar 200145552324.545.38$13,978
Feb 200160374127.755.77$21,007
Jan 200164272827.478.40$23,750
Dec 200073281026.889.12$27,065
Nov 200067972632.215.66$25,978
Oct 200072787231.235.15$27,191
Sep 200058271431.875.19$22,252
Aug 200062742229.644.54$20,500
Jul 200064749428.534.09$20,479
Jun 200058445029.304.40$19,090
May 200066590627.263.68$21,462
Apr 200067880724.513.12$19,132
Mar 200065262828.422.86$20,326
Feb 200071082027.622.73$21,846
Jan 200073483925.272.48$20,629
Dec 199977885224.282.42$20,955
Nov 199968077623.192.43$17,658
Oct 199977087620.982.80$18,611
Sep 199973284121.752.62$18,123
Aug 199970087619.262.88$16,001
Jul 199973891217.892.37$15,366
Jun 199971066715.942.36$12,893
May 199965881915.792.32$12,291
Apr 199956764515.102.21$9,986
Mar 199977990512.471.84$11,378
Feb 19997168479.981.82$8,685
Jan 199976085610.381.90$9,515
Dec 19987298589.201.77$8,228
Nov 199867779610.892.19$9,112
Oct 199883383712.421.97$11,994
Sep 199878379212.592.08$11,507
Aug 199880066711.301.91$10,312
Jul 199882075411.742.24$11,314
Jun 199879778911.242.24$10,723
May 199885093112.622.21$12,781
Apr 199875421413.042.51$10,368
Mar 199876948012.802.31$10,952
Feb 199873783213.952.30$12,194
Jan 199882874914.702.15$13,786
Dec 199790286016.322.41$16,794
Nov 199777282018.193.09$16,575
Oct 199766578319.253.15$15,268
Sep 199772376917.742.95$15,098
Aug 199769287117.862.55$14,584
Jul 199767975617.582.25$13,636
Jun 199767165717.242.26$13,051
May 199770176918.972.31$15,073
Apr 199766767317.882.08$13,328
Mar 199768066818.951.94$14,181
Feb 199765865420.492.21$14,925
Jan 199766772323.483.54$18,220
Dec 199673277423.32—$17,070
Nov 199665866121.97—$14,456
Oct 199662065223.31—$14,452
Sep 199650054922.22—$11,110
Aug 199663068620.26—$12,764
Jul 199661680419.55—$12,043
Jun 199660574218.73—$11,332
May 199663968519.43—$12,416
Apr 199664060521.51—$13,766
Mar 199664966119.38—$12,578
Feb 199660660216.98—$10,290
Jan 199665363017.07—$11,147
Dec 199568269817.19—$11,724
Nov 199565695416.00—$10,496
Oct 199571787015.43—$11,063
Sep 19956491,13816.18—$10,501
Aug 19956851,04915.92—$10,905
Jul 19956121,10115.24—$9,327
Jun 19956801,00916.41—$11,159
May 199568769217.56—$12,064
Apr 199570163317.73—$12,429
Mar 199566063316.44—$10,850
Feb 199559659016.58—$9,882
Jan 199567274915.92—$10,698
Dec 199465884615.03—$9,890
Nov 199466772115.90—$10,605
Oct 199468284415.58—$10,626
Sep 199458483515.29—$8,929
Aug 199466284316.13—$10,678
Jul 199461182117.56—$10,729
Jun 199463687117.09—$10,869
May 199461898415.88—$9,814
Apr 19946251,11514.14—$8,838
Mar 199471692912.46—$8,921
Feb 199474579912.50—$9,313
Jan 199485584612.66—$10,824
Dec 199380376612.33—$9,901
Nov 199381479614.49—$11,795
Oct 199374678815.85—$11,824
Sep 199397984515.03—$14,714
Aug 19931,0701,83015.66—$16,756
Jul 19931,0621,80715.46—$16,419
Jun 19931,0991,83016.79—$18,452
May 19931,0741,39717.68—$18,988
Apr 19931,0641,20918.05—$19,205
Mar 19931,0911,24718.14—$19,791
Feb 19931,0571,17817.90—$18,920
Jan 19931,2101,71816.93—$20,485

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                  520 bbl  × $106.41 =    $55,333
Casinghead gas       330 Mcf  × $  3.05 =     $1,005

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Month total                                  $56,338

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. 08/O/1355 is the state's own key, not one this site invented.