VELA, SERAPIO HEIRS "B"

Operated by HILCORP ENERGY COMPANY (P-5 386310) in the ROLETA (7483) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Gas lease lease 100837District 04Field 77973500NGPA filingCondensateGasSaveExport
Value, all time
$1.5 M
Jan 1993 – May 2026
Value, last 12 filed months
$28 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 64 leases and 64 wells, and the rule below applies to all of them.

Discovered
1955-08-16
as the register files it
Field class
Gas
the register's own label
Between wells
1,200 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 2010-11-02.

The Commission's schedule remark for this field reads: PERMITTED/DRILLED/COMPLETED ON THE SAME LEASE.

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
CondensateDisposition511 bbl$22,082
GasProduction437,252 Mcf$1,431,909
Total$1,453,992

104,358 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 26.7828, -99.2018. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

26.78275, -99.20184 · 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
9,590 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 9,590 ft.

Completions filed
Aug 1982
1 of 1 wells

1 well

42-5053150449,590 ftAug 1982

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 20262559106.413.05$1,915
Apr 2026047598.932.87$1,363
Mar 2026447889.753.15$1,864
Feb 2026040563.503.75$1,519
Jan 2026348759.138.00$4,072
Dec 2025060256.664.41$2,657
Nov 2025566758.593.93$2,912
Oct 202501,40259.383.30$4,633
Sep 2025259062.743.08$1,941
Aug 2025351063.933.01$1,729
Jul 2025041766.743.32$1,382
Jun 2025639966.483.13$1,647
May 2025047460.553.23$1,532
Apr 2025039262.363.54$1,389
Mar 2025447467.704.27$2,294
Feb 2025044670.884.34$1,936
Jan 2025433474.324.28$1,726
Dec 2024029468.993.12$918
Nov 2024266469.052.20$1,598
Oct 2024441571.372.28$1,232
Sep 2024050969.612.36$1,203
Aug 2024050075.632.06$1,032
Jul 2024352979.932.15$1,375
Jun 2024042378.082.63$1,114
May 2024052078.812.20$1,143
Apr 2024248384.451.66$970
Mar 2024061880.301.55$955
Feb 2024774476.091.78$1,860
Jan 2024051773.023.30$1,705
Dec 2023448571.262.61$1,551
Nov 2023455477.892.81$1,867
Oct 2023085185.443.09$2,627
Sep 2023561089.042.74$2,114
Aug 2023051580.522.67$1,377
Jul 2023029074.852.64$766
Jun 2023037268.962.26$840
May 2023165870.622.23$1,536
Apr 2023366778.122.24$1,727
Mar 2023048272.852.39$1,154
Feb 2023464475.112.47$1,888
Jan 2023057776.533.39$1,955
Dec 2022077376.415.73$4,429
Nov 2022035585.005.65$2,004
Oct 2022261187.185.86$3,757
Sep 2022090684.888.16$7,396
Aug 2022047494.529.13$4,326
Jul 20220391101.587.54$2,949
Jun 20223477115.097.98$4,150
May 20220418109.378.43$3,525
Apr 20220873104.226.84$5,969
Mar 20226852108.885.08$4,978
Feb 2022032091.054.86$1,555
Jan 2022125681.844.54$1,243
Dec 2021043671.323.90$1,700
Nov 2021346577.435.24$2,667
Oct 2021048379.795.71$2,760
Sep 2021057969.865.35$3,098
Aug 2021058266.024.22$2,456
Jul 2021548770.783.98$2,293
Jun 2021355869.493.38$2,095
May 2021057763.483.02$1,741
Apr 2021064060.362.76$1,765
Mar 2021960061.302.72$2,182
Feb 2021053157.805.55$2,946
Jan 2021258250.412.81$1,736
Dec 20201058844.642.68$2,020
Nov 2020054138.772.71$1,464
Oct 2020059336.972.48$1,470
Sep 20201555937.091.99$1,669
Aug 2020058939.982.39$1,405
Jul 2020063038.371.83$1,150
Jun 20201253634.901.69$1,325
May 2020056916.921.81$1,033
Apr 2020554214.751.80$1,052
Mar 2020974930.341.86$1,663
Feb 202001,55549.881.98$3,080
Jan 2020064657.252.09$1,353
Dec 2019464359.012.30$1,718
Nov 2019360155.302.75$1,819
Oct 2019067853.472.42$1,640
Sep 2019569955.052.66$2,133
Aug 2019066553.112.30$1,532
Jul 2019059756.272.46$1,469
Jun 2019546452.782.49$1,420
May 2019046458.482.74$1,272
Apr 2019054062.632.75$1,485
Mar 2019361456.803.06$2,051
Feb 2019063150.852.79$1,762
Jan 2019056246.033.23$1,814
Dec 2018165846.594.19$2,801
Nov 2018057652.934.24$2,441
Oct 2018379561.443.40$2,886
Sep 2018065959.543.11$2,048
Aug 2018085459.403.07$2,619
Jul 2018165165.142.93$1,974
Jun 2018373060.183.08$2,427
May 2018076365.382.90$2,213
Apr 2018172263.842.90$2,158
Mar 2018078661.222.79$2,190
Feb 2018067761.782.77$1,873
Jan 2018179262.874.01$3,238
Dec 2017379757.272.92$2,500
Nov 2017083055.423.12$2,588
Oct 2017164849.292.98$1,983
Sep 2017042747.523.09$1,318
Aug 2017077945.373.00$2,340
Jul 2017469143.873.09$2,309
Jun 2017365942.493.09$2,162
May 2017075345.373.26$2,457
Apr 20171079647.933.21$3,036
Mar 2017082446.772.98$2,459
Feb 2017065050.452.95$1,919
Jan 2017081349.413.42$2,779
Dec 2016180948.763.72$3,061
Nov 2016081242.492.64$2,147
Oct 2016078746.193.09$2,432
Sep 2016082041.553.10$2,543
Aug 2016079341.442.92$2,319
Jul 20161076741.622.92$2,659
Jun 2016071145.352.69$1,910
May 2016073042.521.99$1,453
Apr 2016789536.561.99$2,038
Mar 2016041833.011.79$750
Feb 2016069126.472.06$1,426
Jan 201601,02427.352.36$2,421
Dec 201501,12132.362.00$2,244
Nov 201501,10838.792.17$2,401
Oct 2015065043.552.43$1,577
Sep 2015074742.992.76$2,061
Aug 201501,07640.162.87$3,091
Jul 2015082248.152.95$2,421
Jun 201501,11056.152.88$3,200
May 201501,48155.212.96$4,377
Apr 201501,30849.822.71$3,540
Mar 201501,09742.892.93$3,219
Feb 2015080044.662.98$2,381
Jan 2015089543.433.10$2,775
Dec 2014095054.693.59$3,412
Nov 20141992570.464.25$5,272
Oct 2014096978.303.90$3,780
Sep 2014098186.164.05$3,969
Aug 201401,03989.394.04$4,192
Jul 2014075096.564.18$3,135
Jun 2014097898.164.74$4,633
May 2014076694.734.73$3,621
Apr 201401,14295.944.81$5,492
Mar 201401,33695.895.06$6,756
Feb 2014073397.406.19$4,539
Jan 2014096690.404.86$4,695
Dec 2013091191.824.35$3,967
Nov 2013078488.853.74$2,931
Oct 2013058397.423.78$2,203
Sep 20130749104.113.72$2,785
Aug 20130801104.253.52$2,822
Jul 20130840102.523.72$3,123
Jun 2013089494.403.93$3,516
May 2013090694.834.15$3,759
Apr 2013096793.964.28$4,141
Mar 2013096793.623.91$3,784
Feb 2013085091.233.42$2,907
Jan 2013094391.603.42$3,225
Dec 2012098086.773.42$3,352
Nov 2012094486.953.62$3,422
Oct 2012496089.383.40$3,621
Sep 2012098194.672.92$2,863
Aug 2012098492.662.91$2,862
Jul 201201,02985.133.02$3,108
Jun 201201,10779.822.52$2,789
May 2012093091.612.49$2,314
Apr 20120871101.652.00$1,739
Mar 20120772105.052.22$1,715
Feb 20120931101.102.57$2,393
Jan 2012498398.092.73$3,080
Dec 2011098196.873.24$3,178
Nov 201101,04395.723.31$3,454
Oct 201161,03384.983.65$4,279
Sep 201101,08883.623.99$4,337
Aug 2011095083.404.15$3,942
Jul 2011098194.144.52$4,431
Jun 2011095192.904.64$4,413
May 201101,01598.134.40$4,471
Apr 20110933105.964.33$4,043
Mar 201101,06996.364.06$4,337
Feb 2011095285.644.18$3,979
Jan 201101,18586.504.59$5,438
Dec 201001,13985.734.35$4,952
Nov 201001,10480.843.80$4,190
Oct 201001,14878.103.51$4,028
Sep 201001,15472.633.98$4,592
Aug 201001,22773.684.42$5,423
Jul 201001,14872.554.74$5,437
Jun 201001,26670.364.91$6,217
May 2010111,91971.124.24$8,910
Apr 2010094481.694.12$3,892
Mar 201001,02378.394.39$4,490
Feb 2010098973.585.44$5,382
Jan 201001,08374.365.96$6,459
Dec 200901,32671.445.48$7,271
Nov 200901,14674.593.75$4,299
Oct 200901,18172.544.11$4,854
Sep 200901,06765.543.06$3,270
Aug 200901,09367.423.22$3,518
Jul 200901,10261.133.46$3,818
Jun 200901,11966.163.90$4,359
May 200901,06654.743.93$4,185
Apr 200961,02046.773.59$3,940
Mar 200901,42042.144.06$5,764
Feb 2009088732.814.63$4,109
Jan 200911,14635.865.37$6,191
Dec 200801,02437.105.98$6,121
Nov 200801,00255.496.86$6,874
Oct 200801,41575.246.92$9,795
Sep 200801,238101.767.88$9,752
Aug 200801,628114.228.48$13,810
Jul 20080986131.0811.39$11,230
Jun 20080806131.3313.03$10,504
May 200801,002123.1711.57$11,597
Apr 200801,278110.3110.45$13,361
Mar 200801,256101.909.66$12,138
Feb 200801,20292.538.77$10,542
Jan 2008039790.388.21$3,258
Dec 2007096888.337.30$7,068
Nov 200701,46091.677.29$10,646
Oct 200702,51582.856.92$17,409
Sep 200701,85775.846.24$11,595
Aug 200702,53569.066.39$16,193
Jul 2007036770.906.39$2,344
Jun 2007065662.007.55$4,952
May 2007054158.747.85$4,245
Apr 2007074459.617.81$5,807
Mar 2007078656.927.30$5,739
Feb 2007050655.108.22$4,157
Jan 2007086650.306.73$5,825
Dec 200601,16056.656.92$8,025
Nov 200601,09154.207.62$8,311
Oct 200601,44154.906.01$8,666
Sep 200601,78460.085.04$8,986
Aug 2006055568.717.34$4,074
Jul 200602,13969.376.34$13,567
Jun 2006068866.286.38$4,392
May 2006087666.016.42$5,628
Apr 200601,27364.397.36$9,370
Mar 2006076856.707.08$5,440
Feb 2006072057.597.75$5,581
Jan 2006076260.598.93$6,807
Dec 2005075454.9413.42$10,115
Nov 2005078654.6910.59$8,322
Oct 2005083358.3413.80$11,492
Sep 2005089461.4512.08$10,799
Aug 200501,52661.519.80$14,950
Jul 2005090455.697.84$7,091
Jun 200501,16052.337.38$8,562
May 200501,19245.226.65$7,928
Apr 2005069249.207.36$5,093
Mar 2005096150.377.15$6,876
Feb 2005089245.226.31$5,630
Jan 200501,12643.166.32$7,119
Dec 200401,77639.866.75$11,990
Nov 2004082945.286.33$5,248
Oct 2004082549.706.52$5,375
Sep 2004082743.245.28$4,370
Aug 2004071942.375.55$3,991
Jul 2004076638.286.08$4,660
Jun 2004061636.106.43$3,963
May 200401,11637.486.49$7,248
Apr 200401,24934.475.86$7,317
Mar 2004074034.365.53$4,092
Feb 200401,17332.455.51$6,463
Jan 2004083632.036.30$5,267
Dec 200301,32230.266.30$8,331
Nov 2003088328.804.60$4,058
Oct 2003028128.174.76$1,337
Sep 2003036326.314.75$1,724
Aug 2003067229.765.13$3,447
Jul 2003494629.415.17$5,009
Jun 2003111,60628.565.98$9,923
May 20031081826.595.97$5,152
Apr 20032578126.675.41$4,890
Mar 2003151,39831.146.10$8,989
Feb 2003281,52833.487.93$13,048
Jan 2003122,15030.315.58$12,365
Dec 2002070826.914.85$3,436
Nov 200201,49124.664.14$6,168
Oct 2002021826.464.23$922
Sep 2002082527.443.64$2,999
Aug 200201,03325.963.16$3,269
Jul 200201,00924.583.06$3,089
Jun 200201,05623.733.34$3,525
May 200201,31924.663.58$4,727
Apr 2002096523.653.51$3,389
Mar 2002098022.003.10$3,041
Feb 2002093718.222.38$2,226
Jan 2002097417.172.38$2,314
Dec 200101,03116.932.36$2,438
Nov 200101,13718.072.41$2,735
Oct 200101,13919.782.53$2,880
Sep 200101,23824.262.25$2,787
Aug 200101,07124.873.05$3,270
Jul 200101,27723.933.20$4,083
Jun 200101,42324.563.82$5,442
May 200101,48725.524.31$6,405
Apr 200101,11724.685.34$5,960
Mar 200101,57324.545.38$8,457
Feb 200101,25127.755.77$7,215
Jan 200101,42127.478.40$11,935
Dec 200001,43126.889.12$13,054
Nov 200001,61432.215.66$9,132
Oct 200002,13131.235.15$10,965
Sep 200001,85531.875.19$9,621
Aug 200002,23229.644.54$10,135
Jul 200001,29428.534.09$5,292
Jun 200001,70929.304.40$7,515
May 200001,08227.263.68$3,981
Apr 200001,08724.513.12$3,387
Mar 200001,09128.422.86$3,120
Feb 2000096527.622.73$2,631
Jan 200001,32625.272.48$3,289
Dec 199901,64624.282.42$3,989
Nov 199902,27323.192.43$5,532
Oct 199901,29720.982.80$3,636
Sep 199931,11721.752.62$2,991
Aug 1999270219.262.88$2,057
Jul 199931,21917.892.37$2,946
Jun 1999395815.942.36$2,311
May 199901,13015.792.32$2,623
Apr 199901,45615.102.21$3,215
Mar 199901,64312.471.84$3,020
Feb 199901,1219.981.82$2,038
Jan 199902,10510.381.90$3,999
Dec 199801,4789.201.77$2,621
Nov 199801,35910.892.19$2,970
Oct 199891,73012.421.97$3,519
Sep 199801,77812.592.08$3,703
Aug 199801,39611.301.91$2,663
Jul 199801,30311.742.24$2,915
Jun 199801,37811.242.24$3,083
May 199801,26912.622.21$2,800
Apr 199801,21313.042.51$3,039
Mar 199801,23912.802.31$2,861
Feb 199801,45913.952.30$3,354
Jan 199801,20614.702.15$2,599
Dec 1997082516.322.41$1,989
Nov 199701,51418.193.09$4,676
Oct 199701,24419.253.15$3,918
Sep 199701,52217.742.95$4,497
Aug 199701,57717.862.55$4,029
Jul 199701,17717.582.25$2,645
Jun 199701,26617.242.26$2,858
May 199701,25618.972.31$2,899
Apr 199701,42317.882.08$2,964
Mar 199701,05318.951.94$2,042
Feb 199701,61020.492.21$3,552
Jan 199701,80823.483.54$6,400
Dec 199601,57523.32$0
Nov 199601,90021.97$0
Oct 199601,83523.31$0
Sep 199601,52622.22$0
Aug 199601,54520.26$0
Jul 199601,61519.55$0
Jun 199601,79118.73$0
May 199601,45319.43$0
Apr 199601,68021.51$0
Mar 199601,60919.38$0
Feb 199601,47316.98$0
Jan 199601,55117.07$0
Dec 199501,58217.19$0
Nov 199501,66716.00$0
Oct 199501,84615.43$0
Sep 199501,90616.18$0
Aug 199502,43915.92$0
Jul 199502,54715.24$0
Jun 199502,48816.41$0
May 199502,24517.56$0
Apr 199502,10317.73$0
Mar 199502,01016.44$0
Feb 199502,13616.58$0
Jan 199502,20015.92$0
Dec 199402,48015.03$0
Nov 199402,32915.90$0
Oct 199401,53215.58$0
Sep 199402,06315.29$0
Aug 199422,11016.13$32
Jul 199462,05017.56$105
Jun 199431,94917.09$51
May 199452,07815.88$79
Apr 199472,39314.14$99
Mar 199462,58912.46$75
Feb 199472,67812.50$88
Jan 199463,37812.66$76
Dec 199363,09912.33$74
Nov 199382,83314.49$116
Oct 199352,44015.85$79
Sep 199362,46915.03$90
Aug 199342,47715.66$63
Jul 199362,78315.46$93
Jun 199372,91116.79$118
May 199342,33917.68$71
Apr 199352,38818.05$90
Mar 199392,68718.14$163
Feb 199373,06417.90$125
Jan 199302,51716.93$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             2 bbl  × $106.41 =       $213
Gas                  559 Mcf  × $  3.05 =     $1,703

────────────────────────────────────────────────────
Month total                                   $1,915

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/100837 is the state's own key, not one this site invented.