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ARMSTRONG 36

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 43442District 08Field 85280300OilCasinghead gasSaveExport
Value, all time
$23.6 M
May 2012 – May 2026
Value, last 12 filed months
$692 k
at the published price for each month
Months reported
169
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
OilDisposition291,892 bbl$20,258,737
Casinghead gasProduction964,456 Mcf$3,311,974
Total$23,570,710

Wells on this lease (4)

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 31.7787, -102.0083. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.3 miles.

31.77841, -102.00844 · 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
75.0%
3 of 4 wells
With a plug date
75.0%
3 of 4 wells
Median depth
11,543 ft
4 wells filed one
Completion to plug
12.3 years
median over 3 wells

What the state filed about each well

On the RRC proration schedule
375.0%
A plug date is filed
375.0%
BothOn the schedule and plugged. Neither fact cancels the other.
375.0%
NeitherNo plug date, and not on the schedule.
125.0%

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 11,509 and 11,585 ft, median 11,543 ft, over the 4 wells that filed a depth.

Completions filed
May 2012 – Feb 2014
4 of 4 wells
Plug dates filed
Mar 2026 – Apr 2026
3 of 4 wells; 1 filed none

Last completion to plug: a median of 12.3 years across the 3 wells that filed both dates, with the middle half between 12.3 years and 13.2 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

4 wells

42-32938955411,556 ftFeb 2014Apr 2026Yes
42-32938672311,585 ftNov 2013Mar 2026Yes
42-32938030211,530 ftSep 2012——
42-32937910111,509 ftMay 2012Apr 2026Yes

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 (169)

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

169 months

May 20261620106.413.05$17,238
Apr 2026016098.932.87$459
Mar 20263491,20889.753.15$35,127
Feb 20269182,77163.503.75$68,685
Jan 20263543,44759.138.00$48,501
Dec 20257153,42656.664.41$55,632
Nov 20257063,61658.593.93$55,563
Oct 20251,0834,66159.383.30$79,712
Sep 20255724,85662.743.08$50,829
Aug 20257315,31563.933.01$62,756
Jul 20251,2405,87766.743.32$102,241
Jun 20251,4186,72366.483.13$115,303
May 20251,2315,48560.553.23$92,266
Apr 20251,6012,72862.363.54$109,504
Mar 20253,3373,75967.704.27$241,960
Feb 20252,7672,87370.884.34$208,596
Jan 202548268474.324.28$38,749
Dec 20249331,93568.993.12$70,408
Nov 20241,0643,46469.052.20$81,085
Oct 20241,0814,57871.372.28$87,595
Sep 20241,4464,67769.612.36$111,714
Aug 20241,4655,42975.632.06$122,001
Jul 20241,8135,59979.932.15$156,932
Jun 20241,4545,43278.082.63$127,836
May 20241,7635,53078.812.20$151,099
Apr 20241,4625,54884.451.66$132,671
Mar 20241,4475,24780.301.55$124,301
Feb 20242,1745,15876.091.78$174,620
Jan 20241,8255,08473.023.30$150,027
Dec 20231,4434,81871.262.61$115,407
Nov 20231,6114,49977.892.81$138,112
Oct 20231,4705,38485.443.09$142,219
Sep 20231,6164,65889.042.74$156,628
Aug 20231,8075,50180.522.67$160,203
Jul 20231,8126,04074.852.64$151,585
Jun 20231,7935,51668.962.26$136,103
May 20231,7926,28270.622.23$140,544
Apr 20232,1586,50578.122.24$183,140
Mar 20232,5616,31772.852.39$201,686
Feb 20231,8594,63575.112.47$151,058
Jan 20232,5335,20176.533.39$211,470
Dec 20221,8124,65076.415.73$165,095
Nov 20221,4263,70585.005.65$142,129
Oct 20221,6484,62787.185.86$170,804
Sep 20221,6293,52484.888.16$167,038
Aug 20222,3565,29094.529.13$270,972
Jul 20221,8974,539101.587.54$226,931
Jun 20222,1495,526115.097.98$291,410
May 20222,4965,391109.378.43$318,450
Apr 20221,4253,370104.226.84$171,556
Mar 20221,8274,049108.885.08$219,478
Feb 20221,8393,81491.054.86$185,973
Jan 20222,4404,93781.844.54$222,092
Dec 20212,2515,00771.323.90$180,064
Nov 20212,1804,69777.435.24$193,395
Oct 20212,4625,64579.795.71$228,698
Sep 20212,0723,04569.865.35$161,043
Aug 2021336066.024.22$22,183
Jul 20211,18350070.783.98$85,724
Jun 20211,5211,55069.493.38$110,934
May 20211,1911,81463.483.02$81,079
Apr 20218891,36160.362.76$57,414
Mar 20219011,21161.302.72$58,522
Feb 202134712757.805.55$20,761
Jan 20211,2061,54350.412.81$65,131
Dec 20201,7243,04444.642.68$85,103
Nov 20202,4012,99638.772.71$101,196
Oct 20201,4862,54236.972.48$61,238
Sep 20201,8902,43537.091.99$74,948
Aug 20201,5452,20839.982.39$67,035
Jul 20201,5472,06538.371.83$63,127
Jun 20201,6401,87334.901.69$60,402
May 202051556316.921.81$9,736
Apr 20201,3611,41714.751.80$22,632
Mar 20201,3781,83130.341.86$45,207
Feb 20201,4271,69649.881.98$74,538
Jan 20201,3781,21757.252.09$81,440
Dec 20191,2801,63959.012.30$79,310
Nov 20191,3501,73155.302.75$79,416
Oct 20198531,40953.472.42$49,018
Sep 20191,8471,88555.052.66$106,686
Aug 20198371,18753.112.30$47,188
Jul 20199681,39456.272.46$57,899
Jun 20191,1671,23352.782.49$64,666
May 20191,3561,66358.482.74$83,856
Apr 20198311,07262.632.75$54,994
Mar 201983283156.803.06$49,802
Feb 20191,3471,38150.852.79$72,351
Jan 201990889446.033.23$44,681
Dec 201892487546.594.19$46,711
Nov 20181,18756352.934.24$65,213
Oct 201833327461.443.40$21,391
Sep 201847126759.543.11$28,873
Aug 20181645559.403.07$9,910
Jul 20181,03782365.142.93$69,963
Jun 20181,5723,36160.183.08$104,944
May 20182,0463,48865.382.90$143,885
Apr 20182,4013,27063.842.90$162,765
Mar 20181,3632,75361.222.79$91,115
Feb 201827750861.782.77$18,518
Jan 201817767362.874.01$13,826
Dec 20171,2307,53357.272.92$92,450
Nov 20171,0627,34055.423.12$81,745
Oct 20171,2399,20949.292.98$88,547
Sep 20171,2079,95947.523.09$88,103
Aug 20171,73811,17745.373.00$112,433
Jul 20171,18910,23143.873.09$83,747
Jun 20171,51410,17342.493.09$95,737
May 20171,36610,81145.373.26$97,256
Apr 20171,52811,50347.933.21$110,180
Mar 20172,04912,48346.772.98$133,077
Feb 20171,39111,59350.452.95$104,405
Jan 20171,89712,57149.413.42$136,709
Dec 20161,89111,86848.763.72$136,388
Nov 20162,07212,52642.492.64$121,162
Oct 20162,24413,13646.193.09$144,244
Sep 20162,29612,53641.553.10$134,268
Aug 20162,22113,45741.442.92$131,391
Jul 20161,0246,51741.622.92$61,677
Jun 20161,2046,00045.352.69$70,716
May 20161,8237,12742.521.99$91,704
Apr 20161,5908,32036.561.99$74,696
Mar 20162,60510,18133.011.79$104,256
Feb 20161,2536,95726.472.06$47,524
Jan 20162,20210,23327.352.36$84,419
Dec 20152,24812,37832.362.00$97,519
Nov 20152,63410,79738.792.17$125,574
Oct 20152,91611,33643.552.43$154,500
Sep 20152,36010,16542.992.76$129,496
Aug 20152,5419,75340.162.87$130,062
Jul 20151,6236,11348.152.95$96,151
Jun 20151,8125,03756.152.88$116,265
May 20151,7945,01055.212.96$113,854
Apr 20152,2037,25249.822.71$129,382
Mar 20151,8436,19542.892.93$97,227
Feb 20151,7504,80044.662.98$92,441
Jan 20152,9907,72043.433.10$153,793
Dec 20142,1567,93854.693.59$146,420
Nov 20141,0814,05870.464.25$93,421
Oct 20142,56511,22678.303.90$244,632
Sep 20144,12113,28686.164.05$408,813
Aug 20142,4727,92189.394.04$252,934
Jul 20142,62311,89296.564.18$302,981
Jun 20143,63714,40598.164.74$425,243
May 20143,16212,27494.734.73$357,550
Apr 20145,55412,72195.944.81$594,028
Mar 20143,60610,01695.895.06$396,428
Feb 20141,2205,63697.406.19$153,726
Jan 20144,0109,62090.404.86$409,264
Dec 20133,30011,32591.824.35$352,320
Nov 20133,0788,66188.853.74$305,858
Oct 20131,9366,41097.423.78$212,831
Sep 20131,6178,470104.113.72$199,835
Aug 20131,2965,606104.253.52$154,856
Jul 20131,4398,318102.523.72$178,450
Jun 20131,45410,51294.403.93$178,606
May 20131,6699,47994.834.15$197,600
Apr 20132,46314,55793.964.28$293,765
Mar 20132,82312,53593.623.91$313,337
Feb 20131,6336,83991.233.42$172,367
Jan 20132,3418,80391.603.42$244,541
Dec 20123,42513,29786.773.42$342,665
Nov 20122,7168,92086.953.62$268,491
Oct 20124,67514,51289.383.40$467,188
Sep 20123,22410,10194.672.92$334,695
Aug 20121,3095,12292.662.91$136,188
Jul 20122,3639,35085.133.02$229,407
Jun 20123,88010,87879.822.52$337,104
May 20121,1442,10791.612.49$110,045

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                  162 bbl  × $106.41 =    $17,238
Casinghead gas         0 Mcf  × $  3.05 =         $0

────────────────────────────────────────────────────
Month total                                  $17,238

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/43442 is the state's own key, not one this site invented.