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Operated by PRESIDIO PETROLEUM LLC (P-5 676084) in the HEMPHILL (DOUGLAS) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 9521District 10Field 40311100OilCasinghead gasSaveExport
Value, all time
$5.5 M
Dec 2014 – May 2026
Value, last 12 filed months
$67 k
at the published price for each month
Months reported
138
no gaps in the span
Streams
2
oil, casinghead gas

The HEMPHILL (DOUGLAS) 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 239 leases and 247 wells, and the rule below applies to all of them.

Discovered
1977-09-29
as the register files it
Field class
Oil and gas
the register's own label
Between wells
933 ft
minimum
From a lease line
467 ft
minimum

A drilling unit in this field needs at least 40 acres. The field rule took effect on 2012-08-21.

The Commission's schedule remark for this field reads: “ DESIGNATED AS UFT FIELD PER DOCKET #01-0299858.”

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
OilDisposition93,660 bbl$4,488,583
Casinghead gasProduction312,794 Mcf$966,676
Total$5,455,259

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 35.7486, -100.1735. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

35.74860, -100.17348 · 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
8,118 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 8,118 ft.

Completions filed
Dec 2014
1 of 1 wells

1 well

42-21135343501H8,118 ftDec 2014——

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 (138)

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

138 months

May 202602,237106.413.05$6,814
Apr 20260098.932.87$0
Mar 20260089.753.15$0
Feb 20260063.503.75$0
Jan 20260059.138.00$0
Dec 202517259256.664.41$12,358
Nov 202501,15558.593.93$4,535
Oct 20251041,11859.383.30$9,870
Sep 20251641,03262.743.08$13,465
Aug 202501,81163.933.01$5,460
Jul 202513728266.743.32$10,078
Jun 202501,54266.483.13$4,824
May 20251891,39760.553.23$15,960
Apr 2025541,31062.363.54$8,009
Mar 20251201,26667.704.27$13,528
Feb 20251941,20870.884.34$18,994
Jan 20259999474.324.28$11,611
Dec 20241361,27468.993.12$13,359
Nov 202401,32569.052.20$2,913
Oct 20241441,44671.372.28$13,576
Sep 20241931,33069.612.36$16,579
Aug 202401,39475.632.06$2,877
Jul 20241391,19579.932.15$13,675
Jun 20241171,11078.082.63$12,059
May 20241921,28478.812.20$17,954
Apr 20241941,09984.451.66$18,207
Mar 202410814880.301.55$8,901
Feb 20241941,16476.091.78$16,838
Jan 202401,22073.023.30$4,023
Dec 202301,33571.262.61$3,485
Nov 20231711,44277.892.81$17,368
Oct 20231661,62285.443.09$19,191
Sep 202301,11389.042.74$3,044
Aug 20233181,46080.522.67$29,508
Jul 202301,38974.852.64$3,669
Jun 20231911,52568.962.26$16,616
May 20231931,50670.622.23$16,984
Apr 20231171,43278.122.24$12,345
Mar 202301,28272.852.39$3,068
Feb 20231901,41875.112.47$17,767
Jan 20231751,69376.533.39$19,128
Dec 20221771,60276.415.73$22,703
Nov 202201,55185.005.65$8,757
Oct 20221871,84387.185.86$27,110
Sep 20223601,91584.888.16$46,190
Aug 202201,64494.529.13$15,005
Jul 20221801,992101.587.54$33,308
Jun 20221871,949115.097.98$37,069
May 20221821,792109.378.43$35,017
Apr 20222031,729104.226.84$32,979
Mar 20221731,932108.885.08$28,644
Feb 20221881,53691.054.86$24,581
Jan 20221861,84281.844.54$23,581
Dec 20211922,63671.323.90$23,972
Nov 202102,16277.435.24$11,322
Oct 20211832,28379.795.71$27,646
Sep 20211882,45469.865.35$26,265
Aug 20213652,75766.024.22$35,733
Jul 20211842,57170.783.98$23,261
Jun 20211762,63369.493.38$21,131
May 20211893,08963.483.02$21,319
Apr 20212372,94760.362.76$22,434
Mar 20211903,33761.302.72$20,713
Feb 20211822,42057.805.55$23,946
Jan 20211942,52250.412.81$16,867
Dec 20203862,61744.642.68$24,233
Nov 20201863,28138.772.71$16,091
Oct 20201903,28136.972.48$15,156
Sep 20201823,48837.091.99$13,695
Aug 20201823,66539.982.39$16,018
Jul 20203613,79938.371.83$20,785
Jun 20203653,81234.901.69$19,182
May 20201863,83116.921.81$10,099
Apr 20202943,57414.751.80$10,785
Mar 20203773,48130.341.86$17,900
Feb 20203772,93949.881.98$24,626
Jan 20201972,39157.252.09$16,287
Dec 201938144859.012.30$23,515
Nov 201919424355.302.75$11,397
Oct 20191872253.472.42$10,052
Sep 201911263155.052.66$7,842
Aug 201937752353.112.30$21,228
Jul 201937337156.272.46$21,901
Jun 201919141252.782.49$11,107
May 201936418458.482.74$21,791
Apr 201918352162.632.75$12,894
Mar 201942649956.803.06$25,725
Feb 201920552150.852.79$11,879
Jan 201952756146.033.23$26,069
Dec 201836868346.594.19$20,004
Nov 20183081,11052.934.24$21,006
Oct 20183751,20061.443.40$27,118
Sep 201855196359.543.11$35,800
Aug 201836197359.403.07$24,427
Jul 201838768265.142.93$27,209
Jun 201837150960.183.08$23,893
May 201857449565.382.90$38,964
Apr 201839236663.842.90$26,087
Mar 201843434161.222.79$27,520
Feb 201859316661.782.77$37,095
Jan 201859021362.874.01$37,947
Dec 201758926757.272.92$34,512
Nov 201777828955.423.12$44,018
Oct 201759650649.292.98$30,887
Sep 201797281447.523.09$48,702
Aug 20177551,13945.373.00$37,676
Jul 20177741,66143.873.09$39,083
Jun 20178481,47742.493.09$40,591
May 20179923,86845.373.26$57,630
Apr 20179914,47847.933.21$61,880
Mar 20177912,31846.772.98$43,911
Feb 20179883,98750.452.95$61,617
Jan 20171,1924,58449.413.42$74,569
Dec 20161,3855,08648.763.72$86,467
Nov 20161,3865,45042.492.64$73,303
Oct 20161,5526,39346.193.09$91,443
Sep 20161,5686,60441.553.10$85,627
Aug 20161,1756,08241.442.92$66,478
Jul 20162,1535,41341.622.92$105,437
Jun 20161,1855,82945.352.69$69,395
May 20161,9446,16042.521.99$94,924
Apr 20161,3076,12436.561.99$59,977
Mar 20162,3026,06433.011.79$86,868
Feb 20161,7265,51826.472.06$57,074
Jan 20162,3475,75027.352.36$77,786
Dec 20151,7633,89232.362.00$64,840
Nov 20151,9545,81138.792.17$88,390
Oct 20152,1424,84743.552.43$105,046
Sep 20152,150042.992.76$92,429
Aug 20152,8042,89940.162.87$120,936
Jul 20152,7014,48948.152.95$143,274
Jun 20152,8282,39356.152.88$165,691
May 20153,1054,40155.212.96$184,434
Apr 20154,1046,23349.822.71$221,331
Mar 20154,7227,39342.892.93$224,223
Feb 20155,4968,22944.662.98$269,942
Jan 20158,43212,86443.433.10$406,088
Dec 201458239854.693.59$33,259

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                    0 bbl  × $106.41 =         $0
Casinghead gas     2,237 Mcf  × $  3.05 =     $6,814

────────────────────────────────────────────────────
Month total                                   $6,814

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/O/9521 is the state's own key, not one this site invented.