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VESPER ASSOCIATES UNIT A LAS

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 17341District 01Field 12018200Hydrogen sulphide fieldOilCasinghead gasSaveExport
Value, all time
$11.4 M
Sep 2013 – May 2026
Value, last 12 filed months
$227 k
at the published price for each month
Months reported
153
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”

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
OilDisposition149,945 bbl$10,491,482
Casinghead gasProduction272,210 Mcf$954,779
Total$11,446,262

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 28.5610, -99.4117. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

28.56102, -99.41167 · 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
7,391 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 7,391 ft.

Completions filed
Sep 2013
1 of 1 wells

1 well

42-283333541H7,391 ftSep 2013——

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 (153)

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

153 months

May 2026167265106.413.05$18,578
Apr 202617338598.932.87$18,220
Mar 202617051789.753.15$16,886
Feb 202636934163.503.75$24,710
Jan 202615836759.138.00$12,278
Dec 202535134456.664.41$21,406
Nov 202515852058.593.93$11,299
Oct 202525462359.383.30$17,141
Sep 202518921162.743.08$12,507
Aug 202534257863.933.01$23,607
Jul 202518064666.743.32$14,155
Jun 202550892066.483.13$36,650
May 202534479660.553.23$23,402
Apr 202517735262.363.54$12,285
Mar 20251795867.704.27$12,366
Feb 202531534670.884.34$23,829
Jan 20253341,69074.324.28$32,054
Dec 20244918968.993.12$34,152
Nov 202432020569.052.20$22,547
Oct 202450747771.372.28$37,273
Sep 202436616269.612.36$25,860
Aug 2024531075.632.06$40,160
Jul 2024851079.932.15$68,020
Jun 20243593878.082.63$28,131
May 2024180878.812.20$14,203
Apr 20240384.451.66$5
Mar 2024182080.301.55$14,615
Feb 20240076.091.78$0
Jan 20240073.023.30$0
Dec 20230071.262.61$0
Nov 20230177.892.81$3
Oct 20235141385.443.09$43,956
Sep 20230189.042.74$3
Aug 20230080.522.67$0
Jul 20230274.852.64$5
Jun 20230068.962.26$0
May 2023183070.622.23$12,923
Apr 20230078.122.24$0
Mar 20230072.852.39$0
Feb 2023037075.112.47$912
Jan 202352978676.533.39$43,147
Dec 202234668376.415.73$30,351
Nov 202234358485.005.65$32,452
Oct 202233764387.185.86$33,150
Sep 202211951084.888.16$14,264
Aug 202233486494.529.13$39,456
Jul 2022349957101.587.54$42,669
Jun 2022523889115.097.98$67,284
May 2022177615109.378.43$24,545
Apr 2022341653104.226.84$40,004
Mar 2022352634108.885.08$41,544
Feb 202235953291.054.86$35,272
Jan 202235444881.844.54$31,004
Dec 202135744471.323.90$27,192
Nov 202117941177.435.24$16,012
Oct 202118332179.795.71$16,436
Sep 202135634269.865.35$26,700
Aug 2021347066.024.22$22,909
Jul 202151996770.783.98$40,585
Jun 20215231,11569.493.38$40,113
May 202117354763.483.02$12,633
Apr 20213621,23660.362.76$25,260
Mar 20215241,24261.302.72$35,496
Feb 202136996257.805.55$26,665
Jan 20213351,26050.412.81$20,428
Dec 20205291,29044.642.68$27,066
Nov 20201781,63738.772.71$11,332
Oct 20207192,20636.972.48$32,049
Sep 202055488437.091.99$22,308
Aug 202070787639.982.39$30,355
Jul 202071884438.371.83$29,090
Jun 20200034.901.69$0
May 20200016.921.81$0
Apr 202054253714.751.80$8,963
Mar 202055165130.341.86$17,926
Feb 202036340749.881.98$18,913
Jan 202052545657.252.09$31,011
Dec 201952059259.012.30$32,049
Nov 201952377555.302.75$31,054
Oct 201952080853.472.42$29,759
Sep 201967183455.052.66$39,155
Aug 201951477853.112.30$29,091
Jul 201952778856.272.46$31,593
Jun 201948873252.782.49$27,580
May 201971472358.482.74$43,736
Apr 201972551762.632.75$46,829
Mar 201973060756.803.06$43,323
Feb 201954782950.852.79$30,130
Jan 201975048146.033.23$36,075
Dec 201822046.594.19$1,025
Nov 20180252.934.24$8
Oct 201835312761.443.40$22,120
Sep 201836645259.543.11$23,196
Aug 201854764059.403.07$34,454
Jul 201818236865.142.93$12,934
Jun 20185092,14660.183.08$37,235
May 20185343,43365.382.90$44,871
Apr 20188843,41963.842.90$66,352
Mar 20187423,02861.222.79$53,864
Feb 20183502,32161.782.77$28,043
Jan 20188113,90162.874.01$66,628
Dec 20176864,31657.272.92$51,897
Nov 20176983,34255.423.12$49,105
Oct 20178763,46649.292.98$53,519
Sep 20178902,55047.523.09$50,165
Aug 20175392,54345.373.00$32,095
Jul 20176724,41343.873.09$43,105
Jun 20171,0893,76142.493.09$57,883
May 20179031,82545.373.26$46,925
Apr 20179141,26747.933.21$47,877
Mar 20178881,64446.772.98$46,437
Feb 20179232,10350.452.95$52,775
Jan 20179082,89049.413.42$54,745
Dec 20161,1012,57348.763.72$63,264
Nov 20161,1322,10542.492.64$53,665
Oct 20161,0852,55546.193.09$58,012
Sep 20169162,26841.553.10$45,092
Aug 20161,1043,10941.442.92$54,842
Jul 20161,0963,42641.622.92$55,634
Jun 20161,0973,50645.352.69$59,165
May 20161,2705,09342.521.99$64,141
Apr 20161,1133,81036.561.99$48,277
Mar 20161,2923,73933.011.79$49,357
Feb 20161,2913,61726.472.06$41,637
Jan 20161,3014,06927.352.36$45,203
Dec 20151,6323,87032.362.00$60,557
Nov 20151,4093,86038.792.17$63,021
Oct 20151,3014,23243.552.43$66,928
Sep 20151,6944,97342.992.76$86,543
Aug 20151,7114,67140.162.87$82,131
Jul 20151,6413,66348.152.95$89,802
Jun 20151,9763,12956.152.88$119,973
May 20151,7862,29155.212.96$105,376
Apr 20152,2042,68349.822.71$117,065
Mar 20151,8542,98542.892.93$88,278
Feb 20151,7063,13744.662.98$85,526
Jan 20152,9875,89943.433.10$148,016
Dec 20142,2303,86254.693.59$135,829
Nov 20142,5633,65870.464.25$196,142
Oct 20142,0463,39278.303.90$173,434
Sep 20142,7476,14586.164.05$261,541
Aug 20143,2087,89889.394.04$318,633
Jul 20143,5099,92696.564.18$380,316
Jun 20142,9448,29498.164.74$328,271
May 20145,5889,77994.734.73$575,572
Apr 20145,4545,39495.944.81$549,197
Mar 20143,0414,08195.895.06$312,238
Feb 20146,3776,73597.406.19$662,823
Jan 20148,8837,19290.404.86$837,982
Dec 20139,4185,63391.824.35$889,290
Nov 20139,6163,77988.853.74$868,509
Oct 20131,17999797.423.78$118,626
Sep 201300104.113.72$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
Oil                  167 bbl  × $106.41 =    $17,770
Casinghead gas       265 Mcf  × $  3.05 =       $807

────────────────────────────────────────────────────
Month total                                  $18,578

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/17341 is the state's own key, not one this site invented.