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BIG WELLS SOUTH UNIT 17 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 18879District 01Field 12018200Hydrogen sulphide fieldST-1 filingOilCasinghead gasSaveExport
Value, all time
$31.8 M
Oct 2016 – May 2026
Value, last 12 filed months
$767 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-13none—3 dockets

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
OilDisposition521,773 bbl$27,497,162
Casinghead gasProduction1,304,113 Mcf$4,311,280
Total$31,808,441

Wells on this lease (3)

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 28.5138, -99.5363. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.1 miles.

28.51385, -99.53639 · 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 3 wells
With a plug date
0.0%
0 of 3 wells
Median depth
7,204 ft
3 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.
3100.0%

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 7,198 and 7,214 ft, median 7,204 ft, over the 3 wells that filed a depth.

Completions filed
Jan 2017
3 of 3 wells

3 wells

42-12737293E 4H7,198 ftJan 2017——
42-12737294E 5H7,204 ftJan 2017——
42-12737295E 6H7,214 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 202678416,040106.413.05$132,281
Apr 20267015,54598.932.87$85,263
Mar 20267533,35889.753.15$78,158
Feb 20266154,15263.503.75$54,624
Jan 20266851,46759.138.00$52,237
Dec 20255193,48356.664.41$44,778
Nov 202546826458.593.93$28,457
Oct 20254904,82559.383.30$45,042
Sep 20255943,88362.743.08$49,215
Aug 20256234,94863.933.01$54,745
Jul 20258205,78966.743.32$73,918
Jun 20251,00738866.483.13$68,159
May 202597839160.553.23$60,482
Apr 20251,06377362.363.54$69,028
Mar 20251,1484,04167.704.27$94,968
Feb 20252,1093,30270.884.34$163,819
Jan 20259523,33574.324.28$85,022
Dec 20249596,23968.993.12$85,636
Nov 20248438,71769.052.20$77,373
Oct 20248065,01571.372.28$68,965
Sep 20247621,59369.612.36$56,809
Aug 20249181,05175.632.06$71,597
Jul 20244731,79779.932.15$41,664
Jun 202464377478.082.63$52,244
May 202457695578.812.20$47,494
Apr 20241,0391,56084.451.66$90,332
Mar 20246611,66480.301.55$55,649
Feb 20247901,65476.091.78$63,061
Jan 20241,2974,10473.023.30$108,241
Dec 202354843771.262.61$40,191
Nov 20238692,09677.892.81$73,571
Oct 20231,49210,60385.443.09$160,211
Sep 20231,2877,80589.042.74$135,941
Aug 20231,53010,67080.522.67$151,715
Jul 20231,57413,94974.852.64$154,664
Jun 20231,4379,79668.962.26$121,220
May 20238125,47170.622.23$69,530
Apr 20236234,20578.122.24$58,079
Mar 20231,2337,80972.852.39$108,512
Feb 20231,3425,59475.112.47$114,591
Jan 20232,0778,30676.533.39$187,091
Dec 20221,72410,14876.415.73$189,870
Nov 20221,3494,44985.005.65$139,785
Oct 20221,5659,25987.185.86$190,729
Sep 20222,27111,49584.888.16$286,604
Aug 20221,2886,26994.529.13$178,960
Jul 202200101.587.54$0
Jun 20227224,943115.097.98$122,526
May 20221,2308,342109.378.43$204,874
Apr 20229607,296104.226.84$149,938
Mar 20221,2158,630108.885.08$176,099
Feb 20221,1418,19591.054.86$143,706
Jan 20221,28510,61281.844.54$153,318
Dec 20211,5059,70871.323.90$145,189
Nov 20211,0697,13577.435.24$120,138
Oct 20211,37510,54879.795.71$169,981
Sep 20211,44010,24269.865.35$155,403
Aug 20211,50810,67366.024.22$144,605
Jul 20211,54111,20370.783.98$153,683
Jun 20211,45511,83169.493.38$141,104
May 20211,47910,64063.483.02$125,995
Apr 20211,71410,50860.362.76$132,443
Mar 20211,8319,01061.302.72$136,720
Feb 20211,0516,70457.805.55$97,941
Jan 20211,6387,69850.412.81$104,205
Dec 20201,0298,24844.642.68$68,002
Nov 20201,5479,57838.772.71$85,901
Oct 20201,0126,84236.972.48$54,371
Sep 20201,26011,60037.091.99$69,829
Aug 20201,42911,89139.982.39$85,493
Jul 20201,1265,91238.371.83$53,995
Jun 202038592434.901.69$14,998
May 20205053,91916.921.81$15,657
Apr 20201,0465,97014.751.80$26,201
Mar 20207,20711,69230.341.86$240,363
Feb 20201,3137,17149.881.98$79,696
Jan 20201,5817,63957.252.09$106,514
Dec 20191,6286,27959.012.30$110,537
Nov 20192,0307,93955.302.75$134,097
Oct 20192,2415,76753.472.42$133,774
Sep 20192,7925,92955.052.66$169,455
Aug 20192,8445,87053.112.30$164,571
Jul 20192,7306,30956.272.46$169,138
Jun 20192,7259,39352.782.49$167,225
May 20193,15110,15958.482.74$212,109
Apr 20193,69813,50262.632.75$268,746
Mar 20192,7217,78356.803.06$178,385
Feb 20192,6167,73550.852.79$154,621
Jan 20193,0039,62146.033.23$169,286
Dec 20183,04910,46046.594.19$185,833
Nov 20183,39613,11452.934.24$235,317
Oct 20183,13512,58561.443.40$235,379
Sep 20183,59715,08359.543.11$261,043
Aug 20184,55718,33459.403.07$326,908
Jul 20184,55821,46565.142.93$359,841
Jun 20184,22522,42160.183.08$323,248
May 20184,79418,04565.382.90$365,777
Apr 20185,58716,30463.842.90$403,969
Mar 20186,60117,62361.222.79$453,226
Feb 20186,19617,50061.782.77$431,196
Jan 20187,22717,49462.874.01$524,501
Dec 20177,93622,52457.272.92$520,299
Nov 20178,09423,02255.423.12$520,360
Oct 201710,05827,17149.292.98$576,828
Sep 20179,17020,35847.523.09$498,609
Aug 20179,96920,54345.373.00$514,013
Jul 201711,91933,23543.873.09$625,492
Jun 201711,78325,82942.493.09$580,401
May 201712,78422,55245.373.26$653,606
Apr 201719,97166,64347.933.21$1,171,241
Mar 201729,87176,31146.772.98$1,624,754
Feb 201740,41270,31950.452.95$2,246,409
Jan 201732,67228,69249.413.42$1,712,416
Dec 201647,41031,71848.763.72$2,429,792
Nov 201656,15834,30442.492.64$2,476,865
Oct 201633,76919,40646.193.09$1,619,760

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                  784 bbl  × $106.41 =    $83,425
Casinghead gas    16,040 Mcf  × $  3.05 =    $48,855

────────────────────────────────────────────────────
Month total                                 $132,281

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/18879 is the state's own key, not one this site invented.