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MILLIE C

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 51381District 08Field 85280300OilCasinghead gasSaveExport
Value, all time
$3.3 M
Jul 2018 – May 2026
Value, last 12 filed months
$258 k
at the published price for each month
Months reported
95
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
OilDisposition37,659 bbl$2,602,085
Casinghead gasProduction206,660 Mcf$700,276
Total$3,302,361

Wells on this lease (6)

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 31.6486, -102.3240. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.8 miles.

31.64762, -102.32403 · 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 6 wells
With a plug date
0.0%
0 of 6 wells
Median depth
10,321 ft
6 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.
6100.0%

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 10,128 and 11,160 ft, median 10,321 ft, over the 6 wells that filed a depth.

Completions filed
Dec 2011 – Apr 2019
6 of 6 wells

6 wells

42-10335902110,165 ftApr 2019——
42-10335764511,160 ftAug 2015——
42-10335970610,255 ftDec 2014——
42-10336088410,387 ftApr 2013——
42-13542178310,522 ftMar 2013——
42-13540635210,128 ftDec 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 (95)

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

95 months

May 20262902,569106.413.05$38,684
Apr 20262662,42698.932.87$33,277
Mar 20262572,03889.753.15$29,484
Feb 20262371,02163.503.75$18,879
Jan 202625490359.138.00$22,241
Dec 202522087256.664.41$16,314
Nov 202526498158.593.93$19,320
Oct 202529477759.383.30$20,026
Sep 202520569162.743.08$14,988
Aug 202513048963.933.01$9,785
Jul 202518983666.743.32$15,385
Jun 202526272366.483.13$19,680
May 202526381260.553.23$18,549
Apr 202520995262.363.54$16,406
Mar 202524260067.704.27$18,944
Feb 202518853570.884.34$15,648
Jan 202530185174.324.28$26,011
Dec 202422483768.993.12$18,066
Nov 202423272669.052.20$17,616
Oct 20242631,06971.372.28$21,209
Sep 202422495069.612.36$17,839
Aug 20242311,40375.632.06$20,366
Jul 20241711,33279.932.15$16,527
Jun 20242881,99578.082.63$27,742
May 20243292,17978.812.20$30,719
Apr 20243792,08684.451.66$35,468
Mar 20243892,27280.301.55$34,747
Feb 20244102,39976.091.78$35,476
Jan 20244442,48573.023.30$40,616
Dec 20233742,34371.262.61$32,768
Nov 20233222,03077.892.81$30,780
Oct 20234122,07885.443.09$41,617
Sep 20233112,38389.042.74$34,209
Aug 20235543,00380.522.67$52,635
Jul 20233242,54374.852.64$30,970
Jun 20233213,01568.962.26$28,945
May 20234282,38370.622.23$35,533
Apr 20233751,69378.122.24$33,084
Mar 20234761,72472.852.39$38,802
Feb 20234941,64075.112.47$41,148
Jan 20237352,64576.533.39$65,210
Dec 20226934,01976.415.73$75,977
Nov 20226372,73485.005.65$69,582
Oct 20223331,97487.185.86$40,606
Sep 20222471,89684.888.16$36,444
Aug 20225102,08494.529.13$67,226
Jul 20225001,925101.587.54$65,309
Jun 20225021,575115.097.98$70,339
May 20228541,217109.378.43$103,665
Apr 20225401,183104.226.84$64,368
Mar 20224271,210108.885.08$52,634
Feb 20223751,94091.054.86$43,570
Jan 20225082,45681.844.54$52,719
Dec 20215342,68971.323.90$48,570
Nov 20214522,18177.435.24$46,420
Oct 20216512,71579.795.71$67,456
Sep 20216342,92569.865.35$59,943
Aug 20215442,46566.024.22$46,319
Jul 20216902,36570.783.98$58,256
Jun 20214932,35769.493.38$42,227
May 20215932,15663.483.02$44,150
Apr 20217161,82960.362.76$48,263
Mar 20211,0011,64761.302.72$65,836
Feb 202110176357.805.55$10,071
Jan 202123892050.412.81$14,583
Dec 20203211,49444.642.68$18,327
Nov 20204222,41838.772.71$22,905
Oct 20202722,12836.972.48$15,330
Sep 20202892,01837.091.99$14,737
Aug 20204192,36139.982.39$22,383
Jul 20205332,20038.371.83$24,466
Jun 20203222,12534.901.69$14,830
May 2020040716.921.81$739
Apr 20203102,27814.751.80$8,683
Mar 20203122,51130.341.86$14,127
Feb 20204412,23149.881.98$26,416
Jan 20204712,66357.252.09$32,543
Dec 20193743,17859.012.30$29,393
Nov 20193822,65955.302.75$28,439
Oct 20194672,55153.472.42$31,140
Sep 20193602,20455.052.66$25,675
Aug 20194333,09053.112.30$30,117
Jul 20193192,01156.272.46$22,897
Jun 20195352,99752.782.49$35,703
May 20195392,70758.482.74$38,939
Apr 20193182,35762.632.75$26,400
Mar 20194873,85056.803.06$39,451
Feb 20194333,93050.852.79$32,991
Jan 20195144,67846.033.23$38,761
Dec 2018144,44946.594.19$19,273
Nov 20185224,70052.934.24$47,544
Oct 20185445,18761.443.40$51,049
Sep 20185465,53159.543.11$49,699
Aug 20185305,27359.403.07$47,652
Jul 20186765,96065.142.93$61,509

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                  290 bbl  × $106.41 =    $30,859
Casinghead gas     2,569 Mcf  × $  3.05 =     $7,825

────────────────────────────────────────────────────
Month total                                  $38,684

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/51381 is the state's own key, not one this site invented.