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BIG WELLS SOUTH UNIT 3 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 18880District 01Field 12018200Hydrogen sulphide fieldST-1 filingOilCasinghead gasSaveExport
Value, all time
$30.7 M
Oct 2016 – May 2026
Value, last 12 filed months
$1.2 M
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—236732

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
OilDisposition509,348 bbl$27,043,420
Casinghead gasProduction1,163,056 Mcf$3,675,660
Total$30,719,080

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 28.5120, -99.5466. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.1 miles.

28.51205, -99.54663 · 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
50.0%
1 of 2 wells
With a plug date
0.0%
0 of 2 wells
Median depth
7,159 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
150.0%
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.
150.0%

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 7,156 and 7,162 ft, median 7,159 ft, over the 2 wells that filed a depth.

Completions filed
Jan 2017 – Apr 2017
2 of 2 wells

2 wells

42-12737288D 2H7,156 ftApr 2017——
42-12737289D 3H7,162 ftJan 2017—Yes

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 20266747,904106.413.05$95,795
Apr 20269824,34898.932.87$109,627
Mar 20261,1114,04689.753.15$112,455
Feb 20261,0043,83263.503.75$78,125
Jan 20261,1804,22859.138.00$103,589
Dec 20251,0305,03356.664.41$80,572
Nov 20251,0938,46658.593.93$97,280
Oct 20251,0927,12059.383.30$88,373
Sep 20251,0674,85762.743.08$81,888
Aug 20251,1134,44463.933.01$84,552
Jul 20251,4148,01466.743.32$120,938
Jun 20251,4287,22666.483.13$117,542
May 20251,2354,80460.553.23$90,307
Apr 20258129,46762.363.54$84,179
Mar 20258732,91467.704.27$71,540
Feb 202584992170.884.34$64,175
Jan 20258251,47474.324.28$67,621
Dec 20241,06688368.993.12$76,300
Nov 20241,0711,19769.052.20$76,584
Oct 20241,1573,66371.372.28$90,932
Sep 20241,2727,28169.612.36$105,759
Aug 20241,1042,64175.632.06$88,946
Jul 20241,1988,56579.932.15$114,142
Jun 20241,6585,17578.082.63$143,087
May 20242,3106,46378.812.20$196,260
Apr 20241,5905,92584.451.66$144,106
Mar 20241,4025,65380.301.55$121,315
Feb 20241,2253,41476.091.78$99,300
Jan 20241,2492,05573.023.30$97,979
Dec 202336672571.262.61$27,974
Nov 202372,33177.892.81$7,090
Oct 20239923,81685.443.09$96,538
Sep 20231,3676,58689.042.74$139,731
Aug 20231,0445,39680.522.67$98,486
Jul 20231,1448,15674.852.64$107,175
Jun 20231,3597,38168.962.26$110,386
May 20231,3654,25770.622.23$105,878
Apr 20231,4325,81978.122.24$124,889
Mar 20231,2184,11872.852.39$98,586
Feb 20231,5044,10575.112.47$123,087
Jan 20238652,13376.533.39$73,424
Dec 20221,6367,88276.415.73$170,163
Nov 20221,6937,35885.005.65$185,450
Oct 20222,0007,72787.185.86$219,669
Sep 20224,2748,07284.888.16$428,674
Aug 202275437294.529.13$74,663
Jul 202200101.587.54$0
Jun 20227341,808115.097.98$98,899
May 20221,7472,593109.378.43$212,936
Apr 20221,3852,392104.226.84$160,700
Mar 20221,2801,839108.885.08$148,702
Feb 20228022,25991.054.86$83,998
Jan 20221,0975,26781.844.54$113,678
Dec 20211,3907,72071.323.90$129,236
Nov 20211,5135,03377.435.24$143,509
Oct 20214008779.795.71$32,413
Sep 20211,3576,84669.865.35$131,432
Aug 20211,98610,86966.024.22$176,989
Jul 20211,2396,69970.783.98$114,372
Jun 20211,3859,37569.493.38$127,937
May 20212,1158,55563.483.02$160,076
Apr 20211,8305,45560.362.76$125,506
Mar 20212,2267,26661.302.72$156,195
Feb 20217354,11357.805.55$65,302
Jan 20211,1489,67250.412.81$85,052
Dec 20202,14514,86444.642.68$135,521
Nov 20201,8816,57738.772.71$90,727
Oct 20201,5428,82536.972.48$78,880
Sep 20201,64210,86037.091.99$82,524
Aug 20201,86713,03539.982.39$105,732
Jul 20202,01813,16138.371.83$101,451
Jun 20202,35116,08334.901.69$109,235
May 20202,3218,80716.921.81$55,254
Apr 20201,4523,74114.751.80$28,167
Mar 20201,5001,89230.341.86$49,022
Feb 20201,5882,77349.881.98$84,702
Jan 20201,8094,99257.252.09$114,022
Dec 20191,81010,28859.012.30$130,515
Nov 20191,2843,00355.302.75$79,266
Oct 20191,5542,17853.472.42$88,360
Sep 20192,61012,64655.052.66$177,284
Aug 20192,96710,01353.112.30$180,651
Jul 20193,6789,45756.272.46$230,226
Jun 20193,8369,69452.782.49$226,614
May 20193,44812,49758.482.74$235,885
Apr 20194,25615,86762.632.75$310,199
Mar 20195,09715,10056.803.06$335,747
Feb 20194,77415,08050.852.79$284,865
Jan 20195,28315,69146.033.23$293,830
Dec 20184,9457,02546.594.19$259,790
Nov 20184,4434,78752.934.24$255,452
Oct 20181,4814,23461.443.40$105,380
Sep 201849923759.543.11$30,447
Aug 20182,2273,55859.403.07$143,195
Jul 20183,6646,17165.142.93$256,766
Jun 20183,0966,29160.183.08$205,674
May 20183,68615,54565.382.90$286,084
Apr 20184,0578,85963.842.90$284,697
Mar 20184,97816,07161.222.79$349,540
Feb 20184,68115,09961.782.77$330,958
Jan 20186,78624,78862.874.01$526,019
Dec 20179,16934,08857.272.92$624,697
Nov 20176,6724,00755.423.12$382,258
Oct 20178,06714,59249.292.98$441,160
Sep 201712,18334,12047.523.09$684,274
Aug 20179,12014,15745.373.00$456,308
Jul 201713,01027,41643.873.09$655,390
Jun 201718,00840,22042.493.09$889,330
May 201723,035100,30845.373.26$1,372,443
Apr 201717,19839,28947.933.21$950,481
Mar 201734,97156,17846.772.98$1,803,211
Feb 201725,11923,13350.452.95$1,335,556
Jan 201741,87433,91649.413.42$2,184,946
Dec 201653,50237,85948.763.72$2,749,700
Nov 201638,04622,13642.492.64$1,675,110
Oct 201610,6455,75346.193.09$509,471

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                  674 bbl  × $106.41 =    $71,720
Casinghead gas     7,904 Mcf  × $  3.05 =    $24,074

────────────────────────────────────────────────────
Month total                                  $95,795

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/18880 is the state's own key, not one this site invented.