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BIG WELLS SOUTH UNIT 15 DIM

Operated by INEOS USA OIL & GAS LLC (P-5 424176) in the BRISCOE RANCH (EAGLEFORD) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 18884District 01Field 12018200Hydrogen sulphide fieldST-1 filingOilCasinghead gasSaveExport
Value, all time
$30.3 M
Oct 2016 – May 2026
Value, last 12 filed months
$561 k
at the published price for each month
Months reported
116
no gaps in the span
Streams
2
oil, casinghead gas

The BRISCOE RANCH (EAGLEFORD) 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 5,584 leases and 8,017 wells, and the rule below applies to all of them.

Discovered
2007-11-05
as the register files it
Field class
Oil and gas
the register's own label
Between wells
0 ft
minimum
From a lease line
330 ft
minimum

A drilling unit in this field needs at least 40 acres. The field rule took effect on 2013-04-09.

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: “MAY ELECT TO CLASSIFY AS PERMANENT GAS WELL”

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
ST-11none—236704

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
OilDisposition494,828 bbl$25,795,278
Casinghead gasProduction1,377,941 Mcf$4,462,984
Total$30,258,262

Wells on this lease (2)

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 28.5136, -99.5426. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.1 miles.

28.51359, -99.54265 · 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 2 wells
With a plug date
0.0%
0 of 2 wells
Median depth
7,144 ft
2 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.
2100.0%

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 7,137 and 7,151 ft, median 7,144 ft, over the 2 wells that filed a depth.

Completions filed
Jan 2017 – Feb 2017
2 of 2 wells

2 wells

42-12737292D 6H7,151 ftFeb 2017——
42-12737296E 1H7,137 ftJan 2017——

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 (116)

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

116 months

May 20267331,907106.413.05$83,807
Apr 20265183,03198.932.87$59,944
Mar 20264872,45089.753.15$51,424
Feb 20264891,96563.503.75$38,421
Jan 20265902,00459.138.00$50,915
Dec 20255392,20756.664.41$40,280
Nov 202556088358.593.93$36,277
Oct 20255731,08359.383.30$37,604
Sep 202546083862.743.08$31,439
Aug 20254874,05763.933.01$43,365
Jul 20255514,06866.743.32$50,260
Jun 20254402,52866.483.13$37,161
May 202556188660.553.23$36,832
Apr 202563894662.363.54$43,137
Mar 202570726267.704.27$48,982
Feb 202567326970.884.34$48,870
Jan 202578630474.324.28$59,716
Dec 202478925868.993.12$55,238
Nov 202451517869.052.20$35,952
Oct 20245557771.372.28$39,786
Sep 2024502069.612.36$34,944
Aug 20244612775.632.06$34,921
Jul 20244751479.932.15$37,997
Jun 202439510978.082.63$31,129
May 202442325378.812.20$33,893
Apr 202437695484.451.66$33,336
Mar 202436473880.301.55$30,370
Feb 202421447476.091.78$17,129
Jan 20242217773.023.30$16,391
Dec 2023703671.262.61$5,082
Nov 202313266177.892.81$12,137
Oct 20231603585.443.09$13,778
Sep 20233804589.042.74$33,958
Aug 20234355280.522.67$35,165
Jul 202369231274.852.64$52,620
Jun 20235931,28568.962.26$43,795
May 20232893,98670.622.23$29,288
Apr 20237904,97578.122.24$72,848
Mar 20231,2374,55472.852.39$101,014
Feb 20234763,04675.112.47$43,263
Jan 20235374,31476.533.39$55,711
Dec 20221,3315,36476.415.73$132,433
Nov 20225351,15485.005.65$51,991
Oct 20225024,37987.185.86$69,442
Sep 20228683,17684.888.16$99,604
Aug 20222272,30694.529.13$42,503
Jul 202200101.587.54$0
Jun 20221,11510,203115.097.98$209,717
May 20221,67712,678109.378.43$290,328
Apr 20221,51112,084104.226.84$240,102
Mar 20221,58412,425108.885.08$235,540
Feb 20221,53710,99191.054.86$193,347
Jan 20221,64211,88381.844.54$188,303
Dec 20211,36811,30571.323.90$141,645
Nov 20211,2099,67977.435.24$144,300
Oct 20211,46111,09779.795.71$179,980
Sep 20211,3846,48069.865.35$131,360
Aug 20211,6417,51966.024.22$140,073
Jul 20211,7648,04270.783.98$156,880
Jun 20211,4799,07469.493.38$133,451
May 20212,20211,18063.483.02$173,521
Apr 20212,0657,38260.362.76$145,006
Mar 20211,9588,84261.302.72$144,049
Feb 20211,5197,05657.805.55$126,945
Jan 20212,6347,91850.412.81$155,032
Dec 20202,3057,23744.642.68$122,258
Nov 20202,7336,81038.772.71$124,390
Oct 20202,2487,53736.972.48$101,788
Sep 20202,1698,83137.091.99$98,031
Aug 20202,5948,19339.982.39$123,249
Jul 20202,37211,10338.371.83$111,278
Jun 20202,10315,16434.901.69$99,027
May 20202,92215,96816.921.81$78,418
Apr 20202,28314,72414.751.80$60,242
Mar 20202,96224,06930.341.86$134,545
Feb 20202,69318,96649.881.98$171,892
Jan 20201,34010,00657.252.09$97,675
Dec 20192,55324,45759.012.30$207,010
Nov 20192,81518,21155.302.75$205,763
Oct 20191,9609,06353.472.42$126,720
Sep 20192,78310,17755.052.66$180,247
Aug 20194,02716,10153.112.30$250,976
Jul 20193,25218,95356.272.46$229,616
Jun 20193,21712,80352.782.49$201,688
May 20193,00122,68758.482.74$237,668
Apr 20194,38622,22062.632.75$335,816
Mar 20193,4006,79056.803.06$213,912
Feb 20194,44111,00850.852.79$256,562
Jan 20193,82011,38746.033.23$212,594
Dec 20185,05320,32246.594.19$320,476
Nov 20184,70719,46852.934.24$331,632
Oct 20183,85416,69961.443.40$293,534
Sep 20184,39823,63659.543.11$335,318
Aug 20185,05526,39459.403.07$381,206
Jul 20185,03824,96965.142.93$401,381
Jun 20184,83324,78160.183.08$367,099
May 20185,17522,46065.382.90$403,493
Apr 20186,43723,05263.842.90$477,807
Mar 20187,46425,57161.222.79$528,208
Feb 20186,71922,58661.782.77$477,575
Jan 20188,29226,69962.874.01$628,363
Dec 20179,30331,51357.272.92$624,849
Nov 20179,53631,93755.423.12$628,076
Oct 201711,34135,48449.292.98$664,871
Sep 201710,79030,02747.523.09$605,443
Aug 201711,97626,36145.373.00$622,550
Jul 201710,11420,94543.873.09$508,364
Jun 201717,07952,89442.493.09$888,985
May 201719,27275,75245.373.26$1,121,580
Apr 201721,48457,68847.933.21$1,214,999
Mar 201726,57744,21146.772.98$1,374,918
Feb 201725,37819,58050.452.95$1,338,132
Jan 201736,41731,13149.413.42$1,905,795
Dec 201644,16031,27948.763.72$2,269,688
Nov 201639,45924,26842.492.64$1,740,786
Oct 201612,4527,40446.193.09$598,038

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                  733 bbl  × $106.41 =    $77,999
Casinghead gas     1,907 Mcf  × $  3.05 =     $5,808

────────────────────────────────────────────────────
Month total                                  $83,807

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. 01/O/18884 is the state's own key, not one this site invented.