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STUMBERG RANCH UNIT D

Operated by JAVELIN ENERGY PARTNERS MGMT LLC (P-5 100351) 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 19814District 01Field 12018200Hydrogen sulphide fieldST-1 filingOilCasinghead gasSaveExport
Value, all time
$55.5 M
Feb 2019 – May 2026
Value, last 12 filed months
$2.1 M
at the published price for each month
Months reported
88
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-16none—6 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
OilDisposition780,146 bbl$45,816,902
Casinghead gasProduction3,237,567 Mcf$9,705,363
Total$55,522,265

Wells on this lease (8)

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 28.3852, -99.7000. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.5 miles.

28.38513, -99.70005 · 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 8 wells
With a plug date
0.0%
0 of 8 wells
Median depth
7,181 ft
8 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.
8100.0%

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

Total depth in feet, 8 of 8 wells. Median 7,181 ft, with the middle half between 7,157 and 7,190 ft; the shallowest is 7,128 ft and the deepest 7,203 ft. The median is published rather than the mean, because a single mis-keyed depth moves a mean and cannot move a median.

When they were last completed

Last completion by decade, 8 of 8 wells, Feb 2019. This is the LAST completion filed on each wellbore, not the first — a well recompleted in 2019 counts once, in the 2010s.

Completions filed
Feb 2019
8 of 8 wells

8 wells

42-1273797402HA7,131 ftFeb 2019——
42-1273797502HC7,174 ftFeb 2019——
42-1273797602HD7,128 ftFeb 2019——
42-1273794701HD7,190 ftFeb 2019——
42-1273797802HF7,166 ftFeb 2019——
42-1273794801HF7,190 ftFeb 2019——
42-1273794401HA7,203 ftFeb 2019——
42-1273794601HC7,187 ftFeb 2019——

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 (88)

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

88 months

May 20261,51515,334106.413.05$207,916
Apr 20261,59114,04698.932.87$197,706
Mar 20261,79914,57589.753.15$207,363
Feb 20261,71914,16363.503.75$162,272
Jan 20261,76313,89259.138.00$215,353
Dec 20251,73912,43556.664.41$153,412
Nov 20252,04613,48658.593.93$172,827
Oct 20252,01114,77159.383.30$168,229
Sep 20251,82016,72062.743.08$165,633
Aug 20251,84213,73463.933.01$159,164
Jul 20251,90613,97266.743.32$173,526
Jun 20251,73510,50566.483.13$148,210
May 20252,00514,86560.553.23$169,451
Apr 20252,22821,37362.363.54$214,665
Mar 20252,16915,46167.704.27$212,834
Feb 20251,99512,97170.884.34$197,711
Jan 20252,07616,23474.324.28$223,748
Dec 20242,30214,50868.993.12$204,100
Nov 20242,27914,60669.052.20$189,475
Oct 20242,24514,43171.372.28$193,149
Sep 20242,12113,93469.612.36$180,588
Aug 20242,30215,32675.632.06$205,727
Jul 20242,52315,47679.932.15$234,884
Jun 20242,37012,86878.082.63$218,944
May 20242,47115,86378.812.20$229,613
Apr 20242,63116,82484.451.66$250,102
Mar 20242,49818,37280.301.55$228,977
Feb 20242,28715,05076.091.78$200,862
Jan 20242,61215,31473.023.30$241,229
Dec 20233,97320,32271.262.61$336,171
Nov 20235,13021,79077.892.81$460,752
Oct 20234,78621,25385.443.09$474,530
Sep 20234,47018,16289.042.74$447,683
Aug 20232,51913,09280.522.67$237,823
Jul 20232,16713,90574.852.64$198,934
Jun 20231,68613,40568.962.26$146,541
May 20233,05916,36070.622.23$252,467
Apr 20233,07015,72778.122.24$275,022
Mar 20233,38611,85672.852.39$275,043
Feb 20232,96914,40575.112.47$258,520
Jan 20233,66819,19676.533.39$345,743
Dec 20223,09018,68776.415.73$343,166
Nov 20223,51719,06485.005.65$406,584
Oct 20223,12618,98087.185.86$383,819
Sep 20223,52820,70784.888.16$468,502
Aug 20223,54321,03794.529.13$526,892
Jul 20223,62821,665101.587.54$531,931
Jun 20223,60421,770115.097.98$588,448
May 20223,69826,469109.378.43$627,664
Apr 20223,69623,086104.226.84$543,050
Mar 20224,45124,704108.885.08$610,032
Feb 20224,74124,66891.054.86$551,526
Jan 20225,34525,64281.844.54$553,790
Dec 20214,63528,33471.323.90$441,046
Nov 20213,40827,01477.435.24$405,350
Oct 20215,19129,59279.795.71$583,275
Sep 20214,89330,59169.865.35$505,515
Aug 20215,66332,12066.024.22$509,437
Jul 20214,64833,02270.783.98$460,482
Jun 20214,20033,58869.493.38$405,406
May 20215,60236,41063.483.02$465,488
Apr 20215,00340,77360.362.76$414,450
Mar 20216,95046,64861.302.72$552,775
Feb 20213,34525,52757.805.55$334,964
Jan 20216,76247,22650.412.81$473,590
Dec 20206,96750,27544.642.68$445,516
Nov 20207,96954,89538.772.71$457,535
Oct 20207,71551,94536.972.48$413,966
Sep 20207,72856,72137.091.99$399,565
Aug 20208,33366,76839.982.39$492,402
Jul 20208,92675,36138.371.83$480,033
Jun 20209,59585,92034.901.69$480,097
May 202011,665105,30516.921.81$388,474
Apr 202013,647108,59714.751.80$397,244
Mar 202014,499102,55230.341.86$630,260
Feb 202015,62781,95249.881.98$941,795
Jan 202016,98384,90057.252.09$1,150,120
Dec 201921,19991,35159.012.30$1,461,459
Nov 201921,813104,16555.302.75$1,492,786
Oct 201926,560113,11453.472.42$1,693,734
Sep 201928,758110,74155.052.66$1,877,398
Aug 201935,984118,83753.112.30$2,184,953
Jul 201943,380115,76856.272.46$2,725,789
Jun 201948,751107,52652.782.49$2,840,947
May 201961,58087,59958.482.74$3,841,248
Apr 201973,48870,41562.632.75$4,796,244
Mar 201970,54771,00256.803.06$4,224,485
Feb 201910,68213,95250.852.79$582,137

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                1,515 bbl  × $106.41 =   $161,211
Casinghead gas    15,334 Mcf  × $  3.05 =    $46,705

────────────────────────────────────────────────────
Month total                                 $207,916

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/19814 is the state's own key, not one this site invented.