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HALFMANN 30 UNIT

Operated by CRESCENT ENERGY OPERATING, LLC (P-5 103575) in the GARDEN CITY, S. (WOLFCAMP) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 40798District 08Field 33998500Hydrogen sulphide fieldOilCasinghead gasSaveExport
Value, all time
$15.6 M
Aug 2010 – May 2026
Value, last 12 filed months
$341 k
at the published price for each month
Months reported
190
no gaps in the span
Streams
2
oil, casinghead gas

The GARDEN CITY, S. (WOLFCAMP) 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 512 leases and 922 wells, and the rule below applies to all of them.

Discovered
1964-03-12
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 80 acres. The field rule took effect on 2014-05-22.

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: “COMMINGLING FEE. GRANTED PER DOCKET #08-0287087.”

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
OilDisposition100,315 bbl$7,807,812
Casinghead gasProduction2,286,930 Mcf$7,796,932
Total$15,604,744

Wells on this lease (2)

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 31.8201, -101.4450. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.3 miles.

31.82012, -101.44501 · 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 2 wells
With a plug date
0.0%
0 of 2 wells
Median depth
9,825 ft
2 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.
2100.0%

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

Between 9,605 and 10,045 ft, median 9,825 ft, over the 2 wells that filed a depth.

Completions filed
Aug 2010 – Jun 2014
2 of 2 wells

2 wells

42-17336181210,045 ftJun 2014——
42-1733356119,605 ftAug 2010——

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 (190)

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

190 months

May 20261895,494106.413.05$36,845
Apr 20261796,06198.932.87$35,102
Mar 202605,24589.753.15$16,519
Feb 202604,99563.503.75$18,733
Jan 20261734,96559.138.00$49,939
Dec 20251926,11956.664.41$37,884
Nov 202506,14958.593.93$24,144
Oct 20251905,64159.383.30$29,925
Sep 202505,36562.743.08$16,508
Aug 20251845,43563.933.01$28,148
Jul 20251805,52166.743.32$30,316
Jun 202505,46066.483.13$17,083
May 20251774,73260.553.23$26,013
Apr 20251925,28662.363.54$30,702
Mar 20251935,52367.704.27$36,640
Feb 20251883,44670.884.34$28,284
Jan 202504,61774.324.28$19,755
Dec 202404,30968.993.12$13,450
Nov 20241784,23769.052.20$21,606
Oct 202405,01571.372.28$11,441
Sep 20241875,49469.612.36$26,007
Aug 202405,56275.632.06$11,478
Jul 20241944,48679.932.15$25,136
Jun 20241955,59478.082.63$29,960
May 2024235,75578.812.20$14,465
Apr 20241885,22784.451.66$24,549
Mar 20241985,45280.301.55$24,323
Feb 20241935,12076.091.78$23,818
Jan 20241945,68773.023.30$32,920
Dec 202305,92771.262.61$15,474
Nov 20231925,48077.892.81$30,340
Oct 20231855,34685.443.09$32,311
Sep 202305,77989.042.74$15,806
Aug 20231896,46780.522.67$32,504
Jul 20231936,59874.852.64$31,877
Jun 202306,09168.962.26$13,756
May 20231846,47170.622.23$27,408
Apr 20231896,05678.122.24$28,317
Mar 20232006,14172.852.39$29,266
Feb 20232005,67875.112.47$29,022
Jan 202306,30376.533.39$21,353
Dec 20222176,58476.415.73$54,301
Nov 20221995,94085.005.65$50,453
Oct 20221856,17187.185.86$52,314
Sep 20221896,93884.888.16$72,682
Aug 202207,46794.529.13$68,153
Jul 20221917,512101.587.54$76,058
Jun 20221897,104115.097.98$78,422
May 202207,525109.378.43$63,459
Apr 20221897,410104.226.84$70,364
Mar 20221957,649108.885.08$60,061
Feb 20224037,19591.054.86$71,653
Jan 202206,28581.844.54$28,519
Dec 20211934,94771.323.90$33,054
Nov 202105,74977.435.24$30,107
Oct 20211887,05279.795.71$55,295
Sep 20211846,82669.865.35$49,380
Aug 20211907,88566.024.22$45,823
Jul 202107,89570.783.98$31,439
Jun 20211867,65769.493.38$38,811
May 20211898,15863.483.02$36,616
Apr 20211937,89360.362.76$33,422
Mar 20211958,46161.302.72$34,942
Feb 20211997,44057.805.55$52,779
Jan 20211898,75950.412.81$34,143
Dec 20203878,68944.642.68$40,523
Nov 20201908,46038.772.71$30,264
Oct 20201888,75136.972.48$28,639
Sep 20201848,41637.091.99$23,581
Aug 20201949,24639.982.39$29,809
Jul 202009,42938.371.83$17,209
Jun 20201879,30334.901.69$22,251
May 20201979,41116.921.81$20,412
Apr 20203789,25314.751.80$22,271
Mar 20201989,61430.341.86$23,853
Feb 20201948,98849.881.98$27,479
Jan 20203739,76457.252.09$41,807
Dec 201919210,07959.012.30$34,556
Nov 20191939,74755.302.75$37,484
Oct 201919410,65253.472.42$36,135
Sep 201937910,79755.052.66$49,555
Aug 20191889,81253.112.30$32,595
Jul 2019111,11456.272.46$27,397
Jun 201937411,02952.782.49$47,215
May 201918911,09158.482.74$41,446
Apr 201918811,01862.632.75$42,082
Mar 201936911,65756.803.06$56,654
Feb 201918310,63650.852.79$39,004
Jan 201937212,03846.033.23$55,984
Dec 201835912,60646.594.19$69,487
Nov 201817811,87352.934.24$59,730
Oct 201835813,48161.443.40$67,805
Sep 20181787,92559.543.11$35,229
Aug 20181787,44359.403.07$33,398
Jul 20181697,51065.142.93$33,027
Jun 20181887,24760.183.08$33,612
May 20181847,67365.382.90$34,288
Apr 20181857,27163.842.90$32,902
Mar 20181967,26061.222.79$32,232
Feb 20181877,92061.782.77$33,461
Jan 20183798,44162.874.01$57,670
Dec 20171958,89257.272.92$37,146
Nov 20171868,12255.423.12$35,635
Oct 201718310,94249.292.98$41,668
Sep 201718911,22347.523.09$43,630
Aug 201736712,42845.373.00$53,989
Jul 201718312,24943.873.09$45,844
Jun 201718411,81742.493.09$44,301
May 201718910,31245.373.26$42,227
Apr 20171869,57547.933.21$39,666
Mar 201737414,08946.772.98$59,529
Feb 201718513,23050.452.95$48,396
Jan 201737915,13549.413.42$70,470
Dec 201637614,93548.763.72$73,934
Nov 201618715,20142.492.64$48,142
Oct 201638316,19046.193.09$67,722
Sep 201618916,97441.553.10$60,483
Aug 201637417,82641.442.92$67,628
Jul 201636916,48141.622.92$63,554
Jun 201617515,13745.352.69$48,592
May 201637117,21742.521.99$50,055
Apr 201637217,32436.561.99$48,093
Mar 201636819,13233.011.79$46,471
Feb 201636819,33326.472.06$49,637
Jan 201656020,32027.352.36$63,360
Dec 201555214,90732.362.00$47,698
Nov 20151839,75738.792.17$28,245
Oct 201552917,59643.552.43$65,736
Sep 201535221,82542.992.76$75,335
Aug 201591824,16340.162.87$106,275
Jul 201537324,13248.152.95$89,031
Jun 201518518,64356.152.88$64,133
May 201536319,89355.212.96$78,834
Apr 201572723,07649.822.71$98,676
Mar 201591723,43742.892.93$108,111
Feb 201554419,36144.662.98$81,917
Jan 201590328,76243.433.10$128,398
Dec 201494529,46354.693.59$157,494
Nov 201471229,86370.464.25$177,140
Oct 20141,23329,65078.303.90$212,207
Sep 20141,21425,85686.164.05$209,197
Aug 20141,42328,26589.394.04$241,255
Jul 20141,89918,12696.564.18$259,127
Jun 201468611,50598.164.74$121,836
May 201416813,60594.734.73$80,219
Apr 201451612,32895.944.81$108,792
Mar 201452413,30595.895.06$117,527
Feb 201452412,66497.406.19$129,453
Jan 201453514,48790.404.86$118,781
Dec 201368515,04591.824.35$128,410
Nov 201351215,09088.853.74$101,902
Oct 201367315,59897.423.78$124,514
Sep 20133607,319104.113.72$64,690
Aug 201337112,023104.253.52$81,029
Jul 201355716,013102.523.72$116,636
Jun 20133599,52494.403.93$71,351
May 201371315,69994.834.15$132,750
Apr 201354615,18893.964.28$116,346
Mar 201373813,57793.623.91$122,217
Feb 201335915,54691.233.42$85,917
Jan 201394418,37091.603.42$149,294
Dec 20121,08818,25686.773.42$156,844
Nov 201275117,76186.953.62$129,682
Oct 201278420,10789.383.40$138,431
Sep 20121,27221,63794.672.92$183,566
Aug 201274812,70492.662.91$106,255
Jul 20121,0914,64085.133.02$106,893
Jun 20121,32520,86879.822.52$158,329
May 201291720,38691.612.49$134,733
Apr 20121,27819,751101.652.00$169,348
Mar 20121,43724,308105.052.22$204,971
Feb 20121,96522,342101.102.57$256,086
Jan 20122,20919,30198.092.73$269,451
Dec 20111,1247,60096.873.24$133,504
Nov 20117316,77795.723.31$92,412
Oct 20111,47417,58584.983.65$189,420
Sep 20111,43313,98383.623.99$175,561
Aug 20111,26217,48083.404.15$177,781
Jul 20111,26018,00894.144.52$199,963
Jun 20111,27119,21492.904.64$207,227
May 20112,00922,93198.134.40$298,150
Apr 20111,24614,835105.964.33$196,310
Mar 20112,46126,82896.364.06$345,992
Feb 20113,26424,36885.644.18$381,387
Jan 20112,02928,32586.504.59$305,486
Dec 20102,52224,48685.734.35$322,670
Nov 20103,20128,92380.843.80$368,541
Oct 20104,60328,75278.103.51$460,382
Sep 20106,41317,65372.633.98$536,026
Aug 20101,3006,90173.684.42$126,282

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                  189 bbl  × $106.41 =    $20,111
Casinghead gas     5,494 Mcf  × $  3.05 =    $16,734

────────────────────────────────────────────────────
Month total                                  $36,845

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. 08/O/40798 is the state's own key, not one this site invented.