WESTBROOK OIL CORP.

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

Oil lease lease 20866District 08Field 65766333Hydrogen sulphide fieldOilCasinghead gasSaveExport
Value, all time
$19.3 M
Jan 1993 – May 2026
Value, last 12 filed months
$270 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 7 leases and 15 wells, and the rule below applies to all of them.

Discovered
1967-04-03
as the register files it
Field class
Oil
the register's own label
Between wells
1,867 ft
minimum
From a lease line
750 ft
minimum

A drilling unit in this field needs at least 160 acres.

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: 735 BBLS WHEN NPX TERMINATES

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
OilDisposition419,806 bbl$18,714,807
Casinghead gasProduction152,736 Mcf$598,196
Total$19,313,003

16,198 Mcf of this lease's gas, across 43 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 (7)

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 32.5045, -102.5418. A lease has no coordinate of its own — that point is the mean of its wells, and they span 1.0 miles.

32.50410, -102.54243 · 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
85.7%
6 of 7 wells
With a plug date
42.9%
3 of 7 wells
Median depth
13,900 ft
7 wells filed one
Completion to plug
30.8 years
median over 2 wells

What the state filed about each well

On the RRC proration schedule
685.7%
A plug date is filed
342.9%
BothOn the schedule and plugged. Neither fact cancels the other.
342.9%
NeitherNo plug date, and not on the schedule.
114.3%

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

Between 12,229 and 13,950 ft, median 13,900 ft, over the 7 wells that filed a depth.

Completions filed
Sep 1969 – Jun 2013
6 of 7 wells; 1 filed none
Plug dates filed
Dec 1991 – Jul 2011
3 of 7 wells; 4 filed none

Last completion to plug: a median of 30.8 years across the 2 wells that filed both dates, with the middle half between 29.9 years and 31.7 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

7 wells

42-0031098523 L12,229 ftDec 1991Yes
42-003110352413,950 ftJun 2013Yes
42-0033013329 U13,929 ftJun 2011Yes
42-0033009528 M13,828 ftSep 1986Yes
42-003110732513,900 ftJun 1982Jul 2011Yes
42-003308702613,919 ftNov 1976May 2009Yes
42-0033005027 H13,890 ftSep 1969

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 20261310106.413.05$13,940
Apr 2026495098.932.87$48,970
Mar 2026173089.753.15$15,527
Feb 2026629063.503.75$39,942
Jan 20264359.138.00$261
Dec 20253538956.664.41$20,394
Nov 20250058.593.93$0
Oct 2025123059.383.30$7,304
Sep 2025257062.743.08$16,124
Aug 2025784063.933.01$50,121
Jul 2025257066.743.32$17,152
Jun 20255983066.483.13$39,849
May 202573732460.553.23$45,673
Apr 202585022562.363.54$53,803
Mar 20251,34834467.704.27$92,728
Feb 202568434370.884.34$49,971
Jan 20251,20271474.324.28$92,388
Dec 20241,155068.993.12$79,683
Nov 20241,04445669.052.20$73,091
Oct 202481551671.372.28$59,344
Sep 202483111169.612.36$58,108
Aug 2024362075.632.06$27,378
Jul 20242518479.932.15$20,243
Jun 20249056778.082.63$70,839
May 20241,02633678.812.20$81,598
Apr 202482223784.451.66$69,811
Mar 202481948380.301.55$66,512
Feb 202487256376.091.78$67,355
Jan 202489459573.023.30$67,242
Dec 202398843471.262.61$71,538
Nov 202388158677.892.81$70,266
Oct 20231,03649185.443.09$90,032
Sep 202379555489.042.74$72,302
Aug 202388350580.522.67$72,449
Jul 20231,01250374.852.64$77,077
Jun 202387234868.962.26$60,919
May 202361645270.622.23$44,509
Apr 202388054478.122.24$69,963
Mar 20231,11246972.852.39$82,132
Feb 202352939875.112.47$40,715
Jan 202356224776.533.39$43,847
Dec 20224488976.415.73$34,742
Nov 202289640885.005.65$78,464
Oct 202257947287.185.86$53,245
Sep 202265731684.888.16$58,346
Aug 202231094.529.13$2,930
Jul 202200101.587.54$0
Jun 2022920115.097.98$10,588
May 2022582140109.378.43$64,834
Apr 2022971512104.226.84$104,698
Mar 2022943320108.885.08$104,298
Feb 202278126791.054.86$72,407
Jan 202282031581.844.54$68,538
Dec 202159727671.323.90$43,654
Nov 202164224377.435.24$50,983
Oct 202198328479.795.71$80,056
Sep 20219919469.865.35$7,954
Aug 20210066.024.22$0
Jul 2021985770.783.98$7,163
Jun 202171427669.493.38$50,549
May 202162341463.483.02$40,797
Apr 202161640360.362.76$38,293
Mar 202164435461.302.72$40,439
Feb 202155925757.805.55$33,736
Jan 202195652150.412.81$49,656
Dec 20201,11852644.642.68$51,315
Nov 20201,38744238.772.71$54,970
Oct 20201,13652336.972.48$43,294
Sep 20201,07746637.091.99$40,874
Aug 20201,06648439.982.39$43,773
Jul 202084336738.371.83$33,016
Jun 20201,06520934.901.69$37,522
May 20201,16655516.921.81$20,736
Apr 202087450914.751.80$13,810
Mar 20201,08549930.341.86$33,845
Feb 20201,13538249.881.98$57,370
Jan 20201,14555557.252.09$66,714
Dec 20191,27663059.012.30$76,749
Nov 20191,06862055.302.75$60,766
Oct 20191,16269953.472.42$63,823
Sep 201995753455.052.66$54,102
Aug 20191,05832053.112.30$56,928
Jul 201976413956.272.46$43,332
Jun 20191,128052.782.49$59,536
May 20191,151058.482.74$67,310
Apr 20191,112062.632.75$69,645
Mar 20191,101056.803.06$62,537
Feb 20199993150.852.79$50,886
Jan 20191,1974846.033.23$55,253
Dec 20181,0213446.594.19$47,711
Nov 20181,1046052.934.24$58,689
Oct 20181,1866661.443.40$73,092
Sep 20181,12045259.543.11$68,090
Aug 20181,23418059.403.07$73,852
Jul 20181,02919765.142.93$67,607
Jun 20181,0791060.183.08$64,965
May 20181,4082965.382.90$92,139
Apr 20181,13242463.842.90$73,497
Mar 20181,23646161.222.79$76,953
Feb 20181,05536061.782.77$66,174
Jan 20181,15243462.874.01$74,166
Dec 20171,12549657.272.92$65,878
Nov 20171,14049555.423.12$64,722
Oct 201778730949.292.98$39,713
Sep 20171,00637147.523.09$48,951
Aug 20171,03732345.373.00$48,019
Jul 20171,0371243.873.09$45,530
Jun 20171,1201642.493.09$47,638
May 20171,1394445.373.26$51,820
Apr 20171,04235747.933.21$51,090
Mar 20171,15168646.772.98$55,879
Feb 20171,01257250.452.95$52,744
Jan 20171,11961449.413.42$57,389
Dec 20161,15564448.763.72$58,715
Nov 201696049842.492.64$42,107
Oct 20161,01763646.193.09$48,941
Sep 201696456241.553.10$41,797
Aug 201685158041.442.92$36,962
Jul 201655433841.622.92$24,046
Jun 201637610245.352.69$17,326
May 201697253842.521.99$42,401
Apr 201685558036.561.99$32,414
Mar 201651562433.011.79$18,120
Feb 201680866926.472.06$22,768
Jan 20161,06971527.352.36$30,928
Dec 20151,05054232.362.00$35,063
Nov 20151,05173738.792.17$42,366
Oct 20151,0211,08243.552.43$47,090
Sep 20158221,36042.992.76$39,089
Aug 201567780740.162.87$29,506
Jul 201593219248.152.95$45,441
Jun 2015749056.152.88$42,056
May 2015864055.212.96$47,701
Apr 20159134649.822.71$45,610
Mar 201596115042.892.93$41,658
Feb 201592142044.662.98$42,382
Jan 201573816743.433.10$32,569
Dec 201499645754.693.59$56,112
Nov 20141,02289070.464.25$75,794
Oct 20141,03653278.303.90$83,194
Sep 201498739186.164.05$86,622
Aug 20141,22956689.394.04$112,144
Jul 20141,20351496.564.18$118,310
Jun 201496329798.164.74$95,935
May 20141,25733394.734.73$120,650
Apr 20141,07019695.944.81$103,598
Mar 20141,24830095.895.06$121,188
Feb 20141,07023497.406.19$105,667
Jan 201490928590.404.86$83,559
Dec 20133979091.824.35$36,844
Nov 201383125488.853.74$74,784
Oct 201360616697.423.78$59,664
Sep 2013576134104.113.72$60,466
Aug 2013726277104.253.52$76,661
Jul 2013829348102.523.72$86,283
Jun 20132886894.403.93$27,455
May 20131602894.834.15$15,289
Apr 20134216293.964.28$39,823
Mar 201372026393.623.91$68,435
Feb 201378726291.233.42$72,694
Jan 201376826291.603.42$71,245
Dec 201275724886.773.42$66,533
Nov 201274423086.953.62$65,525
Oct 201269622089.383.40$62,956
Sep 201262523894.672.92$59,863
Aug 201269627692.662.91$65,294
Jul 201272427385.133.02$62,459
Jun 201262323779.822.52$50,325
May 201271626691.612.49$66,255
Apr 2012807293101.652.00$82,617
Mar 2012752209105.052.22$79,462
Feb 2012675226101.102.57$68,823
Jan 201289338798.092.73$88,652
Dec 201171240496.873.24$70,280
Nov 201165051595.723.31$63,923
Oct 201153247584.983.65$46,942
Sep 201169337983.623.99$59,459
Aug 2011799083.404.15$66,637
Jul 201171657194.144.52$69,984
Jun 201168254792.904.64$65,896
May 201166754298.134.40$67,840
Apr 2011631516105.964.33$69,097
Mar 201168041496.364.06$67,205
Feb 201162339085.644.18$54,984
Jan 201168345686.504.59$61,172
Dec 201063840085.734.35$56,435
Nov 201063942380.843.80$53,262
Oct 201065554478.103.51$53,064
Sep 201066950372.633.98$50,591
Aug 201072257073.684.42$55,716
Jul 201081037972.554.74$60,561
Jun 201079840870.364.91$58,151
May 201078049671.124.24$57,574
Apr 201074944181.694.12$63,004
Mar 201076652178.394.39$62,333
Feb 201077742273.585.44$59,468
Jan 201079946574.365.96$62,187
Dec 200987939071.445.48$64,934
Nov 200979538974.593.75$60,758
Oct 200968314672.544.11$50,145
Sep 200974443565.543.06$50,095
Aug 200985146967.423.22$58,884
Jul 200977648861.133.46$49,128
Jun 200980154766.163.90$55,125
May 200984153154.743.93$48,121
Apr 200980053246.773.59$39,325
Mar 200986351642.144.06$38,461
Feb 200975626732.814.63$26,041
Jan 2009803835.865.37$28,839
Dec 2008927037.105.98$34,392
Nov 2008911155.496.86$50,558
Oct 2008891075.246.92$67,039
Sep 20088770101.767.88$89,244
Aug 2008914221114.228.48$106,272
Jul 2008921624131.0811.39$127,832
Jun 2008915466131.3313.03$126,240
May 2008862563123.1711.57$112,689
Apr 2008916579110.3110.45$107,097
Mar 2008883551101.909.66$95,303
Feb 200882853192.538.77$81,272
Jan 200877640790.388.21$73,475
Dec 200746627888.337.30$43,192
Nov 200771346991.677.29$68,781
Oct 200778744482.856.92$68,276
Sep 200779941075.846.24$63,156
Aug 200795143169.066.39$68,429
Jul 200781332170.906.39$59,692
Jun 200758430662.007.55$38,518
May 200754931058.747.85$34,681
Apr 200768742859.617.81$44,293
Mar 200761325556.927.30$36,754
Feb 200775232755.108.22$44,122
Jan 200778442650.306.73$42,301
Dec 2006018056.656.92$1,245
Nov 200670054.207.62$3,794
Oct 200676920454.906.01$43,445
Sep 20061,16138060.085.04$71,667
Aug 20061,19636668.717.34$84,864
Jul 20061,04531569.376.34$74,490
Jun 20061,26329766.286.38$85,608
May 20061,13135166.016.42$76,912
Apr 20061,15637464.397.36$77,188
Mar 20061,17526056.707.08$68,464
Feb 20061,24222757.597.75$73,286
Jan 20061,19733060.598.93$75,474
Dec 20051,22638254.9413.42$72,481
Nov 20051,16354754.6910.59$69,396
Oct 20051,19049058.3413.80$76,185
Sep 20051,25564261.4512.08$84,874
Aug 20051,03458961.519.80$69,372
Jul 20051,12846255.697.84$66,442
Jun 20051,28947952.337.38$70,989
May 20051,15136545.226.65$54,476
Apr 200597426449.207.36$49,864
Mar 20051,10041650.377.15$58,383
Feb 20051,06144445.226.31$50,781
Jan 20051,26656143.166.32$58,187
Dec 20041,24851939.866.75$53,249
Nov 20041,28451545.286.33$61,400
Oct 20041,13351249.706.52$59,646
Sep 20041,28054543.245.28$58,227
Aug 20041,24864642.375.55$56,463
Jul 20041,26257938.286.08$51,832
Jun 20041,23467236.106.43$48,870
May 20041,29776637.486.49$53,586
Apr 200484943934.475.86$31,837
Mar 200487953334.365.53$33,150
Feb 20041,01057632.455.51$35,948
Jan 200495942432.036.30$33,388
Dec 20031,16564330.266.30$39,305
Nov 20031,29664928.804.60$40,307
Oct 20031,20478428.174.76$37,648
Sep 20031,25881126.314.75$36,950
Aug 20031,34485229.765.13$44,368
Jul 20031,33385229.415.17$43,609
Jun 20031,25578128.565.98$40,515
May 20031,43289026.595.97$43,393
Apr 20031,35289026.675.41$40,870
Mar 20031,41175231.146.10$48,523
Feb 20031,3101,00233.487.93$51,801
Jan 20031,3661,04830.315.58$47,253
Dec 20021,31794426.914.85$40,022
Nov 20021,39597424.664.14$38,430
Oct 20021,3821,07026.464.23$41,093
Sep 20021,4971,15627.443.64$45,280
Aug 20021,4771,02625.963.16$41,589
Jul 20021,5061,08224.583.06$40,330
Jun 20021,3471,00523.733.34$35,319
May 20021,6501,03224.663.58$44,388
Apr 20021,40782523.653.51$36,173
Mar 20021,51862022.003.10$35,320
Feb 20021,22964918.222.38$23,934
Jan 20021,39883017.172.38$25,975
Dec 20011,72993516.932.36$31,483
Nov 20011,34794718.072.41$26,618
Oct 20011,39193019.782.53$29,866
Sep 20011,61194524.262.25$41,210
Aug 20011,60569524.873.05$42,038
Jul 20011,83384123.933.20$46,552
Jun 20011,450024.563.82$35,612
May 20011,649025.524.31$42,082
Apr 20011,41373824.685.34$38,810
Mar 20011,53480624.545.38$41,978
Feb 20011,40177227.755.77$43,330
Jan 20011,20382327.478.40$39,959
Dec 20001,25077026.889.12$40,624
Nov 20001,20774032.215.66$43,064
Oct 20001,25182131.235.15$43,293
Sep 20001,43673031.875.19$49,551
Aug 20001,46472729.644.54$46,694
Jul 20001,48367528.534.09$45,071
Jun 20001,58015429.304.40$46,971
May 20001,55952827.263.68$44,441
Apr 20001,37325724.513.12$34,453
Mar 20001,36553128.422.86$40,312
Feb 20001,05444527.622.73$30,325
Jan 20001,00745825.272.48$26,583
Dec 19991,00842424.282.42$25,502
Nov 19991,05749423.192.43$25,714
Oct 19991,14015620.982.80$24,355
Sep 199991712321.752.62$20,267
Aug 19991,02213619.262.88$20,075
Jul 19991,183017.892.37$21,164
Jun 19991,307015.942.36$20,834
May 19991,253015.792.32$19,785
Apr 19991,402015.102.21$21,170
Mar 19991,636012.471.84$20,401
Feb 19991,48009.981.82$14,770
Jan 19991,735010.381.90$18,009
Dec 19981,769939.201.77$16,440
Nov 19981,87224410.892.19$20,919
Oct 19981,58717412.421.97$20,053
Sep 19981,45528212.592.08$18,906
Aug 19981,60328811.301.91$18,663
Jul 19981,73327711.742.24$20,965
Jun 19981,65418511.242.24$19,005
May 19981,53625612.622.21$19,949
Apr 19981,569013.042.51$20,460
Mar 19981,502012.802.31$19,226
Feb 19981,39714513.952.30$19,822
Jan 19981,07118514.702.15$16,142
Dec 19971,03114416.322.41$17,173
Nov 19971,14519218.193.09$21,421
Oct 19971,60315019.253.15$31,330
Sep 19971,63517317.742.95$29,516
Aug 19971,43417517.862.55$26,058
Jul 19971,45119717.582.25$25,951
Jun 19971,64019717.242.26$28,718
May 19971,64017618.972.31$31,517
Apr 19972,08021817.882.08$37,644
Mar 19971,88321418.951.94$36,098
Feb 19971,65814020.492.21$34,281
Jan 19972,14315723.483.54$50,873
Dec 19962,06914623.32$48,249
Nov 19962,03911221.97$44,797
Oct 19962,43023923.31$56,643
Sep 19962,24917722.22$49,973
Aug 19962,58024720.26$52,271
Jul 19962,19423519.55$42,893
Jun 19962,21621718.73$41,506
May 19962,20821719.43$42,901
Apr 19961,73245321.51$37,255
Mar 19961,85543419.38$35,950
Feb 19961,52345216.98$25,861
Jan 19961,54045217.07$26,288
Dec 19951,28244717.19$22,038
Nov 19951,01938016.00$16,304
Oct 19951,003015.43$15,476
Sep 1995956016.18$15,468
Aug 19951,129015.92$17,974
Jul 19951,015015.24$15,469
Jun 1995943016.41$15,475
May 19951,18091317.56$20,721
Apr 19951,24567717.73$22,074
Mar 199599865916.44$16,407
Feb 199585057516.58$14,093
Jan 19951,30268815.92$20,728
Dec 19941,19166315.03$17,901
Nov 19941,33160715.90$21,163
Oct 19941,42772515.58$22,233
Sep 19941,13355515.29$17,324
Aug 19941,20962316.13$19,501
Jul 19941,14253417.56$20,054
Jun 19941,16163417.09$19,841
May 19941,07454715.88$17,055
Apr 19941,38338614.14$19,556
Mar 19941,34830812.46$16,796
Feb 19941,05528512.50$13,188
Jan 19941,33742312.66$16,926
Dec 19931,24058612.33$15,289
Nov 19931,66047114.49$24,053
Oct 19931,6219015.85$25,693
Sep 19931,3958415.03$20,967
Aug 19931,6878115.66$26,418
Jul 19931,3396215.46$20,701
Jun 19931,5067516.79$25,286
May 19931,7358217.68$30,675
Apr 19931,6818318.05$30,342
Mar 19931,6398718.14$29,731
Feb 19931,54323117.90$27,620
Jan 19931,57025616.93$26,580

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                  131 bbl  × $106.41 =    $13,940
Casinghead gas         0 Mcf  × $  3.05 =         $0

────────────────────────────────────────────────────
Month total                                  $13,940

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/20866 is the state's own key, not one this site invented.