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HEADLEE

Operated by DIAMONDBACK E&P LLC (P-5 217012) in the SPRABERRY (TREND AREA) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 40890District 08Field 85280300OilCasinghead gasSaveExport
Value, all time
$15.1 M
Dec 2010 – May 2026
Value, last 12 filed months
$204 k
at the published price for each month
Months reported
186
no gaps in the span
Streams
2
oil, casinghead gas

The SPRABERRY (TREND AREA) 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 16,587 leases and 43,997 wells, and the rule below applies to all of them.

Discovered
1952-12-22
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 2018-02-13.

The Commission's schedule remark for this field reads: “SPRABERRY (TREND AREA) FIELD EFFECTIVE 10/1/2019.”

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
OilDisposition169,516 bbl$12,606,966
Casinghead gasProduction768,213 Mcf$2,515,398
Total$15,122,363

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 31.9762, -102.2760. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.8 miles.

31.97593, -102.27619 · 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
50.0%
4 of 8 wells
With a plug date
50.0%
4 of 8 wells
Median depth
11,520 ft
8 wells filed one
Completion to plug
4.5 years
median over 4 wells

What the state filed about each well

On the RRC proration schedule
450.0%
A plug date is filed
450.0%
BothOn the schedule and plugged. Neither fact cancels the other.
450.0%
NeitherNo plug date, and not on the schedule.
450.0%

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 11,520 ft, with the middle half between 11,508 and 11,528 ft; the shallowest is 11,500 ft and the deepest 11,550 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, Apr 2011 – Aug 2020. This is the LAST completion filed on each wellbore, not the first — a well recompleted in 2019 counts once, in the 2010s.

Completions filed
Apr 2011 – Aug 2020
8 of 8 wells
Plug dates filed
May 2016 – May 2025
4 of 8 wells; 4 filed none

Last completion to plug: a median of 4.5 years across the 4 wells that filed both dates, with the middle half between 3.9 years and 6.6 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

8 wells

42-32936790811,525 ftAug 2020May 2025Yes
42-32936788611,515 ftAug 2020Nov 2024Yes
42-32936701411,525 ftJun 2013May 2016Yes
42-32936699211,500 ftJul 2012——
42-32936791911,535 ftMay 2012Apr 2024Yes
42-32936700311,510 ftNov 2011——
42-32936789711,550 ftMay 2011——
42-32936787511,500 ftApr 2011——

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 (186)

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

186 months

May 20261791,391106.413.05$23,284
Apr 20262241,33798.932.87$25,997
Mar 20261831,19289.753.15$20,178
Feb 20261881,24363.503.75$16,600
Jan 20261851,38959.138.00$22,048
Dec 20251911,23456.664.41$16,268
Nov 2025189258.593.93$3,561
Oct 20253701,18959.383.30$25,900
Sep 202501,09062.743.08$3,354
Aug 20251951,11063.933.01$15,813
Jul 202518294366.743.32$15,273
Jun 20251811,22866.483.13$15,875
May 20251761,12160.553.23$14,280
Apr 20251681,23062.363.54$14,835
Mar 20251921,42267.704.27$19,068
Feb 20251651,62370.884.34$18,740
Jan 20253551,89774.324.28$34,500
Dec 20243401,86768.993.12$29,284
Nov 20241821,85569.052.20$16,645
Oct 20241851,90871.372.28$17,556
Sep 20241782,02569.612.36$17,178
Aug 20243532,39375.632.06$31,636
Jul 20241701,96479.932.15$17,804
Jun 20241791,75078.082.63$18,586
May 20241792,52278.812.20$19,651
Apr 20242022,44684.451.66$21,117
Mar 20243722,43880.301.55$33,639
Feb 20241702,91976.091.78$18,142
Jan 20243713,41473.023.30$38,349
Dec 20233523,48871.262.61$34,190
Nov 20232333,37577.892.81$27,624
Oct 20233593,55285.443.09$41,639
Sep 20233773,03889.042.74$41,877
Aug 20233533,18380.522.67$36,931
Jul 20231703,22474.852.64$21,242
Jun 20233203,04468.962.26$28,942
May 20235363,61470.622.23$45,902
Apr 20231793,41878.122.24$21,632
Mar 20233573,31372.852.39$33,936
Feb 20231,1712,45175.112.47$93,997
Jan 20231852,92776.533.39$24,074
Dec 20221802,79276.415.73$29,749
Nov 20223702,80985.005.65$47,310
Oct 20223663,02387.185.86$49,634
Sep 20223652,84284.888.16$54,182
Aug 20221843,09294.529.13$45,613
Jul 20223592,893101.587.54$58,286
Jun 20223512,897115.097.98$63,507
May 20221773,038109.378.43$44,978
Apr 20223362,392104.226.84$51,373
Mar 20225132,646108.885.08$69,288
Feb 20225152,50791.054.86$59,072
Jan 20223432,69581.844.54$40,300
Dec 20213362,76671.323.90$34,748
Nov 20215112,73877.435.24$53,905
Oct 20213352,97479.795.71$43,723
Sep 20213402,92569.865.35$39,404
Aug 20214973,04366.024.22$45,655
Jul 20213313,05470.783.98$35,589
Jun 20215142,83969.493.38$45,315
May 20213413,02363.483.02$30,769
Apr 20215052,87060.362.76$38,398
Mar 20216832,96661.302.72$49,926
Feb 20213432,34257.805.55$32,819
Jan 20215072,79450.412.81$33,410
Dec 20205082,83244.642.68$30,254
Nov 20205202,81838.772.71$27,788
Oct 20205093,03736.972.48$26,345
Sep 20203372,97237.091.99$18,417
Aug 20206753,08539.982.39$34,345
Jul 20205093,20838.371.83$25,385
Jun 20203383,37634.901.69$17,503
May 20206783,52516.921.81$17,869
Apr 20203433,29514.751.80$11,005
Mar 20206913,46430.341.86$27,395
Feb 20205163,29449.881.98$32,262
Jan 20205293,42757.252.09$37,464
Dec 20197113,76559.012.30$50,632
Nov 20197033,84155.302.75$49,441
Oct 20193393,56953.472.42$26,758
Sep 20198793,49855.052.66$57,684
Aug 20195073,50153.112.30$34,994
Jul 20196934,03556.272.46$48,921
Jun 20196854,08052.782.49$46,318
May 20196764,26358.482.74$51,214
Apr 20191,0363,92062.632.75$75,667
Mar 20196974,69556.803.06$53,966
Feb 20195343,66050.852.79$37,373
Jan 20191,0453,60346.033.23$59,732
Dec 20183353,28746.594.19$29,365
Nov 20188863,46852.934.24$61,591
Oct 20187094,10961.443.40$57,524
Sep 20187024,06559.543.11$54,431
Aug 20186953,25559.403.07$51,265
Jul 20186844,21165.142.93$56,902
Jun 20186644,30360.183.08$53,200
May 20186954,36565.382.90$58,101
Apr 20186784,27663.842.90$55,687
Mar 20186824,53561.222.79$54,390
Feb 20186764,27361.782.77$53,583
Jan 20187034,53762.874.01$62,388
Dec 20176914,28657.272.92$52,095
Nov 20171,0444,52055.423.12$71,953
Oct 20177014,95749.292.98$49,342
Sep 20177234,90447.523.09$49,497
Aug 20171,0204,96245.373.00$61,185
Jul 20175265,07443.873.09$38,740
Jun 20171,0374,89342.493.09$59,168
May 20171,0624,56545.373.26$63,080
Apr 20171,0453,79047.933.21$62,259
Mar 20173923,16846.772.98$27,786
Feb 20171,03663150.452.95$54,129
Jan 20176761,41249.413.42$38,229
Dec 20161,3982,10148.763.72$75,988
Nov 20161,3742,11342.492.64$63,969
Oct 20163501,76446.193.09$21,618
Sep 20165084,94241.553.10$36,431
Aug 20161,0287,06441.442.92$63,258
Jul 20166687,60841.622.92$50,051
Jun 20161,1626,56745.352.69$70,335
May 20161,0106,46142.521.99$55,809
Apr 20161,0696,82236.561.99$52,666
Mar 20161,3987,96733.011.79$60,441
Feb 20167197,12826.472.06$33,741
Jan 20161,4328,67627.352.36$59,678
Dec 20151,0708,60932.362.00$51,855
Nov 20151,0867,88738.792.17$59,220
Oct 20151,2478,33443.552.43$74,530
Sep 20151,2468,52042.992.76$77,067
Aug 20151,4009,22240.162.87$82,714
Jul 20151,0928,56448.152.95$77,801
Jun 20151,8048,30856.152.88$125,245
May 20151,1088,90955.212.96$87,503
Apr 20151,0728,21949.822.71$75,652
Mar 20151,5837,68542.892.93$90,448
Feb 20151,07110,92644.662.98$80,349
Jan 20151,0726,95743.433.10$68,128
Dec 20141,3928,24754.693.59$105,746
Nov 20141,2388,69770.464.25$124,208
Oct 20141,1649,12278.303.90$126,726
Sep 20141,90310,22686.164.05$205,331
Aug 201484512,37689.394.04$125,473
Jul 20141,603096.564.18$154,786
Jun 20141,0372,39198.164.74$113,118
May 20147009,85794.734.73$112,901
Apr 20141,74111,11195.944.81$220,466
Mar 20141,4057,45595.895.06$172,424
Feb 20141,5776,07497.406.19$191,210
Jan 20141,8574,05390.404.86$187,573
Dec 20131,5964,03191.824.35$164,098
Nov 20131,5444,74588.853.74$154,923
Oct 20131,7344,11497.423.78$184,475
Sep 20131,4624,118104.113.72$167,518
Aug 20132,0175,149104.253.52$228,410
Jul 20131,9494,979102.523.72$218,322
Jun 20131,9114,36094.403.93$197,548
May 20131,7863,97694.834.15$185,863
Apr 20138682,49193.964.28$92,225
Mar 20131,1113,41793.623.91$117,382
Feb 20131,1053,85091.233.42$113,976
Jan 20131,4704,01591.603.42$148,383
Dec 20121,5624,12486.773.42$149,639
Nov 20121,5854,92286.953.62$155,658
Oct 20121,7895,48489.383.40$178,545
Sep 20121,7236,03394.672.92$180,723
Aug 20123,0535,58492.662.91$299,130
Jul 20122,8104,39085.133.02$252,477
Jun 20122,6703,78779.822.52$222,659
May 20121,5102,21391.612.49$143,838
Apr 20121,78411,085101.652.00$203,478
Mar 20122,68019,366105.052.22$324,567
Feb 20122,25917,886101.102.57$274,356
Jan 20121,1078,04098.092.73$130,568
Dec 20116793,01696.873.24$75,546
Nov 20116123,08195.723.31$68,783
Oct 20111,3574,85584.983.65$133,032
Sep 20112,0134,31983.623.99$185,542
Aug 20112,3244,26083.404.15$211,498
Jul 20112,46541694.144.52$233,934
Jun 20112,99443392.904.64$280,152
May 20112,68237298.134.40$264,823
Apr 20112,640548105.964.33$282,109
Mar 20113,6671,18096.364.06$358,140
Feb 20113,5591,98885.644.18$313,103
Jan 20113,4503,15186.504.59$312,884
Dec 20101,9301,24585.734.35$170,872

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                  179 bbl  × $106.41 =    $19,047
Casinghead gas     1,391 Mcf  × $  3.05 =     $4,237

────────────────────────────────────────────────────
Month total                                  $23,284

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/40890 is the state's own key, not one this site invented.