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VESPER UNIT I 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.

Gas lease lease 301218District 01Field 12018200Hydrogen sulphide field2 tax incentive programmesCondensateGasSaveExport
Value, all time
$26.4 M
Oct 2017 – May 2026
Value, last 12 filed months
$1.2 M
at the published price for each month
Months reported
104
no gaps in the span
Streams
2
condensate, 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
NGPA1none——
ST-1112026-04-14238939

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
CondensateDisposition374,647 bbl$22,853,359
GasProduction1,070,536 Mcf$3,503,184
Total$26,356,542

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 28.5219, -99.4680. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

28.52193, -99.46799 · 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
7,742 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 7,742 ft.

Completions filed
Oct 2017
1 of 1 wells

1 well

42-12737428F 1H7,742 ftOct 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 (104)

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

104 months

May 20261,0084,794106.413.05$121,863
Apr 20269935,20398.932.87$113,169
Mar 20261,1285,61389.753.15$118,916
Feb 20261,0095,34163.503.75$84,102
Jan 20261,1365,85059.138.00$113,960
Dec 20251,0975,67556.664.41$87,202
Nov 20251,1386,11858.593.93$90,697
Oct 20251,1838,87459.383.30$99,574
Sep 20251,1746,36062.743.08$93,226
Aug 20251,1785,86163.933.01$92,979
Jul 20251,1705,62966.743.32$96,747
Jun 20251,1775,35166.483.13$94,989
May 20251,1363,58960.553.23$80,386
Apr 20251,2074,39662.363.54$90,844
Mar 20251,1035,39167.704.27$97,684
Feb 20259652,89570.884.34$80,966
Jan 20258391,85274.324.28$70,279
Dec 20248721,90468.993.12$66,102
Nov 20241,0253,61969.052.20$78,732
Oct 20241,0623,48671.372.28$83,748
Sep 20241,0973,15469.612.36$83,819
Aug 20241,1593,70775.632.06$95,305
Jul 20241,1593,15279.932.15$99,405
Jun 20241,3813,64878.082.63$117,437
May 20241,0842,18178.812.20$90,225
Apr 20249991,45084.451.66$86,771
Mar 202443219880.301.55$34,996
Feb 202449923376.091.78$38,385
Jan 202464224173.023.30$47,674
Dec 20238701,45971.262.61$65,805
Nov 20237662,19077.892.81$65,812
Oct 20231,6946,73785.443.09$165,534
Sep 20231,5945,86289.042.74$157,963
Aug 20231,9009,92080.522.67$179,503
Jul 20231,9908,17774.852.64$170,554
Jun 20231,1612,93668.962.26$86,693
May 20232,1649,82770.622.23$174,710
Apr 20231,3636,84078.122.24$121,784
Mar 20231,7928,66972.852.39$151,294
Feb 20231,5289,00575.112.47$136,972
Jan 20232,0418,56576.533.39$185,214
Dec 20221,1782,58876.415.73$104,838
Nov 20221,8978,18685.005.65$207,465
Oct 20221,0223,37787.185.86$108,900
Sep 20221,5927,09984.888.16$193,083
Aug 20221,4006,20894.529.13$188,989
Jul 20221,5627,744101.587.54$217,074
Jun 20221,95010,481115.097.98$308,035
May 20221,5534,464109.378.43$207,497
Apr 20221,5796,148104.226.84$206,601
Mar 20222,0018,099108.885.08$258,983
Feb 20221,8257,00591.054.86$200,202
Jan 20222,0057,52081.844.54$198,213
Dec 20212,1317,57871.323.90$181,530
Nov 20211,6383,71977.435.24$146,306
Oct 20211,8074,33879.795.71$168,967
Sep 20219574,11069.865.35$88,848
Aug 20211,9526,86866.024.22$157,858
Jul 20212,42110,20770.783.98$212,003
Jun 20212,4939,70469.493.38$206,044
May 20211,6217,38263.483.02$125,178
Apr 20212,83511,07160.362.76$201,659
Mar 20212,00010,19061.302.72$150,286
Feb 20211,4597,28657.805.55$124,753
Jan 20211,4449,64150.412.81$99,886
Dec 20201,8466,04244.642.68$98,571
Nov 20201,4065,49438.772.71$69,381
Oct 20201,8877,39036.972.48$88,078
Sep 20202,52110,40037.091.99$114,211
Aug 20203,21313,41839.982.39$160,459
Jul 20203,31412,08038.371.83$149,206
Jun 20202,91210,26534.901.69$118,980
May 20202,74311,28416.921.81$66,889
Apr 20203,09210,29414.751.80$64,181
Mar 20202,9077,43230.341.86$101,994
Feb 20202,8207,26849.881.98$155,057
Jan 20202,6878,26557.252.09$171,144
Dec 20193,38511,83059.012.30$227,009
Nov 20194,17213,86855.302.75$268,858
Oct 20194,30315,78753.472.42$268,263
Sep 20194,52718,03555.052.66$297,135
Aug 20194,95919,05353.112.30$307,277
Jul 20194,93615,81556.272.46$316,655
Jun 20194,83312,44952.782.49$286,099
May 20193,5739,78858.482.74$235,771
Apr 20194,86617,57162.632.75$353,090
Mar 20195,51218,92956.803.06$371,044
Feb 20195,15718,87150.852.79$314,925
Jan 20196,16221,14446.033.23$351,894
Dec 20186,86920,17846.594.19$404,481
Nov 20187,57419,60752.934.24$483,971
Oct 20187,41726,13661.443.40$544,513
Sep 20187,82329,07959.543.11$556,159
Aug 20188,53233,18959.403.07$608,577
Jul 201810,06339,90765.142.93$772,506
Jun 20189,84433,91660.183.08$696,769
May 201810,91529,36165.382.90$798,793
Apr 201810,23826,69663.842.90$731,034
Mar 201811,87024,16261.222.79$794,017
Feb 201822,08434,89761.782.77$1,460,879
Jan 201826,82827,99762.874.01$1,798,925
Dec 201724,52126,59257.272.92$1,482,007
Nov 201727,62626,27955.423.12$1,612,980
Oct 20173,4732,80349.292.98$179,547

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         1,008 bbl  × $106.41 =   $107,261
Gas                4,794 Mcf  × $  3.05 =    $14,602

────────────────────────────────────────────────────
Month total                                 $121,863

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/G/301218 is the state's own key, not one this site invented.