VOLLMERT "C"

Operated by UNIT PETROLEUM COMPANY (P-5 877099) in the MENDOTA, NW. (GRANITE WASH) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Gas lease lease 259488District 10Field 604625002 tax incentive programmesCondensateGasSaveExport
Value, all time
$3.8 M
Apr 2010 – May 2026
Value, last 12 filed months
$0
at the published price for each month
Months reported
194
no gaps in the span
Streams
2
condensate, gas

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 718 leases and 729 wells, and the rule below applies to all of them.

Discovered
1965-01-23
as the register files it
Field class
Oil and gas
the register's own label
Between wells
467 ft
minimum
From a lease line
467 ft
minimum

A drilling unit in this field needs at least 80 acres. The field rule took effect on 2011-06-27.

The Commission's schedule remark for this field reads: WASH) FIELD EFFECTIVE 12/05/17.

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
High Cost Gas112011-05-13202270
NGPA1none

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
CondensateDisposition13,927 bbl$1,089,406
GasProduction719,244 Mcf$2,719,307
Total$3,808,713

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 35.8680, -100.5328. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

35.86801, -100.53277 · 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
10,255 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 10,255 ft.

Completions filed
Feb 2025
1 of 1 wells

1 well

42-21134298710,255 ftFeb 2025

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 (194)

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

194 months

May 202600106.413.05$0
Apr 20260098.932.87$0
Mar 20260089.753.15$0
Feb 20260063.503.75$0
Jan 20260059.138.00$0
Dec 20250056.664.41$0
Nov 20250058.593.93$0
Oct 20250059.383.30$0
Sep 20250062.743.08$0
Aug 20250063.933.01$0
Jul 20250066.743.32$0
Jun 20250066.483.13$0
May 20250060.553.23$0
Apr 20250062.363.54$0
Mar 20250067.704.27$0
Feb 20250070.884.34$0
Jan 2025160074.324.28$11,891
Dec 2024014668.993.12$456
Nov 2024071269.052.20$1,565
Oct 2024081471.372.28$1,857
Sep 2024066469.612.36$1,570
Aug 2024084275.632.06$1,738
Jul 2024082179.932.15$1,762
Jun 2024084378.082.63$2,220
May 2024090078.812.20$1,979
Apr 2024090584.451.66$1,502
Mar 202418296680.301.55$16,107
Feb 2024089976.091.78$1,603
Jan 2024094173.023.30$3,103
Dec 202301,05871.262.61$2,762
Nov 2023099477.892.81$2,791
Oct 202301,10985.443.09$3,424
Sep 202301,06489.042.74$2,910
Aug 20231721,05680.522.67$16,672
Jul 202301,13274.852.64$2,991
Jun 2023097468.962.26$2,200
May 202301,20770.622.23$2,688
Apr 202301,24378.122.24$2,782
Mar 202301,47672.852.39$3,532
Feb 2023083275.112.47$2,051
Jan 20231851,15076.533.39$18,054
Dec 202201,07476.415.73$6,153
Nov 202201,26785.005.65$7,154
Oct 202201,24387.185.86$7,289
Sep 202201,42984.888.16$11,666
Aug 202201,32294.529.13$12,066
Jul 20220950101.587.54$7,165
Jun 20221691,072115.097.98$28,002
May 202201,237109.378.43$10,432
Apr 202201,260104.226.84$8,615
Mar 202201,288108.885.08$6,538
Feb 202201,08091.054.86$5,248
Jan 202201,12681.844.54$5,109
Dec 202101,24971.323.90$4,870
Nov 20211821,22277.435.24$20,492
Oct 202101,29779.795.71$7,411
Sep 202101,32369.865.35$7,079
Aug 202101,43566.024.22$6,057
Jul 202101,05870.783.98$4,213
Jun 202101,17169.493.38$3,959
May 202101,21363.483.02$3,660
Apr 202101,09360.362.76$3,015
Mar 20211831,17161.302.72$14,399
Feb 2021057257.805.55$3,173
Jan 202101,07650.412.81$3,024
Dec 202001,09844.642.68$2,938
Nov 202001,07738.772.71$2,915
Oct 202001,24036.972.48$3,073
Sep 20201681,22037.091.99$8,660
Aug 202001,18039.982.39$2,814
Jul 202001,25938.371.83$2,298
Jun 202001,18434.901.69$2,001
May 202001,17616.921.81$2,134
Apr 202001,17414.751.80$2,118
Mar 202001,21830.341.86$2,261
Feb 20201751,03649.881.98$10,781
Jan 202001,07657.252.09$2,254
Dec 201901,17159.012.30$2,698
Nov 201901,15555.302.75$3,177
Oct 201901,15753.472.42$2,798
Sep 20191721,07855.052.66$12,333
Aug 201901,24753.112.30$2,874
Jul 201901,21256.272.46$2,982
Jun 201901,06752.782.49$2,658
May 2019098658.482.74$2,702
Apr 2019088162.632.75$2,423
Mar 201901,00356.803.06$3,071
Feb 20191771,03250.852.79$11,882
Jan 201901,18246.033.23$3,816
Dec 201801,23746.594.19$5,177
Nov 201801,01252.934.24$4,288
Oct 201801,05261.443.40$3,575
Sep 201801,10259.543.11$3,425
Aug 2018096459.403.07$2,956
Jul 2018091865.142.93$2,691
Jun 201801,03860.183.08$3,194
May 20181691,06665.382.90$14,141
Apr 2018099763.842.90$2,892
Mar 2018094761.222.79$2,639
Feb 2018081761.782.77$2,260
Jan 201801,10362.874.01$4,422
Dec 201701,30657.272.92$3,816
Nov 201701,43355.423.12$4,469
Oct 20171751,33949.292.98$12,621
Sep 201701,57247.523.09$4,853
Aug 201701,53545.373.00$4,612
Jul 201701,56343.873.09$4,825
Jun 201701,61442.493.09$4,983
May 20171841,27245.373.26$12,499
Apr 201701,37047.933.21$4,400
Mar 201702,02446.772.98$6,039
Feb 201701,87450.452.95$5,533
Jan 201701,72049.413.42$5,880
Dec 20161762,10948.763.72$16,433
Nov 201601,07342.492.64$2,837
Oct 201601,95446.193.09$6,038
Sep 201601,93141.553.10$5,987
Aug 201602,02541.442.92$5,922
Jul 20161712,03641.622.92$13,071
Jun 201602,02445.352.69$5,436
May 201601,98842.521.99$3,958
Apr 201602,19036.561.99$4,360
Mar 201602,29733.011.79$4,121
Feb 20161772,20126.472.06$9,227
Jan 201602,43527.352.36$5,757
Dec 201502,24232.362.00$4,487
Nov 20151812,40938.792.17$12,242
Oct 20151842,58743.552.43$14,291
Sep 201502,56742.992.76$7,081
Aug 201502,67640.162.87$7,687
Jul 201502,72048.152.95$8,011
Jun 201502,67856.152.88$7,720
May 201502,68855.212.96$7,944
Apr 201502,58549.822.71$6,996
Mar 20151782,67942.892.93$15,497
Feb 201502,37144.662.98$7,057
Jan 201502,37043.433.10$7,348
Dec 20143622,46654.693.59$28,654
Nov 201402,62070.464.25$11,140
Oct 201402,71678.303.90$10,595
Sep 201402,88286.164.05$11,659
Aug 201403,10289.394.04$12,517
Jul 201403,19996.564.18$13,371
Jun 201402,75898.164.74$13,064
May 201403,37594.734.73$15,952
Apr 20141803,55195.944.81$34,346
Mar 201403,44095.895.06$17,395
Feb 201403,23997.406.19$20,056
Jan 20141814,30990.404.86$37,307
Dec 20131834,57891.824.35$36,738
Nov 201304,32588.853.74$16,168
Oct 20131734,39797.423.78$33,472
Sep 201304,407104.113.72$16,384
Aug 201304,946104.253.52$17,423
Jul 20133475,452102.523.72$55,844
Jun 20131755,60394.403.93$38,559
May 201306,17394.834.15$25,612
Apr 201306,01293.964.28$25,747
Mar 20131926,49493.623.91$43,385
Feb 201305,91591.233.42$20,229
Jan 20131827,18791.603.42$41,250
Dec 20121896,04086.773.42$37,057
Nov 201206,64686.953.62$24,091
Oct 20121897,64289.383.40$42,873
Sep 20121857,89094.672.92$40,540
Aug 20121698,42192.662.91$40,149
Jul 20121808,62485.133.02$41,375
Jun 20121778,55579.822.52$35,679
May 20123556,94491.612.49$49,800
Apr 20121938,381101.652.00$36,354
Mar 201208,481105.052.22$18,845
Feb 2012010,478101.102.57$26,931
Jan 201237311,22098.092.73$67,264
Dec 20111866,84896.873.24$40,204
Nov 201106,05395.723.31$20,043
Oct 201102,05584.983.65$7,498
Sep 20113727,27083.623.99$60,083
Aug 201109,53383.404.15$39,555
Jul 201135511,80794.144.52$86,755
Jun 201137111,49592.904.64$87,801
May 201118111,74998.134.40$69,514
Apr 201136414,481105.964.33$101,320
Mar 201118311,22696.364.06$63,182
Feb 201119012,12785.644.18$66,962
Jan 201118916,81086.504.59$93,486
Dec 201037217,29185.734.35$107,069
Nov 2010018,87780.843.80$71,644
Oct 201058421,05878.103.51$119,501
Sep 2010022,39072.633.98$89,100
Aug 201072525,40873.684.42$165,705
Jul 201037128,42972.554.74$161,570
Jun 201090433,62170.364.91$228,698
May 201053926,62371.124.24$151,088
Apr 201053637,83081.694.12$199,747

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.

Jan 2025 — as filed, then multipliedworked
Condensate           160 bbl  × $ 74.32 =    $11,891
Gas                    0 Mcf  × $  4.28 =         $0

────────────────────────────────────────────────────
Month total                                  $11,891

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. 10/G/259488 is the state's own key, not one this site invented.