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FORTRESS C1

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 52376District 08Field 85280300OilCasinghead gasSaveExport
Value, all time
$14.3 M
May 2019 – May 2026
Value, last 12 filed months
$492 k
at the published price for each month
Months reported
85
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
OilDisposition210,972 bbl$12,039,096
Casinghead gasProduction680,397 Mcf$2,300,448
Total$14,339,544

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 32.3233, -101.9585. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

32.32328, -101.95848 · 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
9,093 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 9,093 ft.

Completions filed
May 2019
1 of 1 wells

1 well

42-3174160204DN9,093 ftMay 2019——

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 (85)

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

85 months

May 20267005,595106.413.05$91,528
Apr 20263742,58898.932.87$44,427
Mar 2026293089.753.15$26,297
Feb 2026256063.503.75$16,256
Jan 2026166059.138.00$9,816
Dec 20252131,10456.664.41$16,941
Nov 20251321,23458.593.93$12,579
Oct 20255765,41459.383.30$52,095
Sep 20256336,40662.743.08$59,425
Aug 20256606,00463.933.01$60,294
Jul 20255102,57166.743.32$42,561
Jun 20256146,13166.483.13$60,001
May 20256757,43860.553.23$64,913
Apr 20255536,39162.363.54$57,129
Mar 20258391,52667.704.27$63,314
Feb 2025762070.884.34$54,011
Jan 2025748074.324.28$55,591
Dec 202497430168.993.12$68,136
Nov 20242791,39369.052.20$22,327
Oct 20243441,84271.372.28$28,754
Sep 20243291,67969.612.36$26,871
Aug 20243211,88275.632.06$28,161
Jul 20243332,07079.932.15$31,060
Jun 20245251,65378.082.63$45,346
May 20245031,79278.812.20$43,581
Apr 20245221,74384.451.66$46,975
Mar 20244671,68580.301.55$40,104
Feb 20243191,53576.091.78$27,011
Jan 20244851,64173.023.30$40,826
Dec 20234631,66171.262.61$37,330
Nov 20235404,63177.892.81$55,062
Oct 20235605,14685.443.09$63,734
Sep 20236465,48589.042.74$72,522
Aug 20236915,63580.522.67$70,701
Jul 20236915,64374.852.64$66,629
Jun 20237305,13968.962.26$61,947
May 20237034,39070.622.23$59,424
Apr 20237161,70378.122.24$59,745
Mar 202369241172.852.39$51,396
Feb 2023713075.112.47$53,553
Jan 202388748576.533.39$69,525
Dec 20227621,46276.415.73$66,600
Nov 20227722,90685.005.65$82,028
Oct 20227966,84887.185.86$109,550
Sep 20228767,62984.888.16$136,636
Aug 20228818,14894.529.13$157,640
Jul 20229217,878101.587.54$152,972
Jun 20229407,131115.097.98$165,070
May 20221,1209,685109.378.43$204,168
Apr 20221,24611,568104.226.84$208,955
Mar 20221,18811,087108.885.08$185,631
Feb 202292710,22391.054.86$134,075
Jan 20221,15912,52881.844.54$151,701
Dec 20211,26912,40671.323.90$138,878
Nov 20211,27612,03377.435.24$161,816
Oct 20211,35315,20679.795.71$194,841
Sep 20211,38814,14569.865.35$172,654
Aug 20211,42211,65066.024.22$143,050
Jul 20211,47811,52970.783.98$150,522
Jun 20211,56911,33969.493.38$147,363
May 20211,70311,40363.483.02$142,517
Apr 20211,85812,33560.362.76$146,174
Mar 20212,02911,29561.302.72$155,066
Feb 20211,5226,22957.805.55$122,530
Jan 20212,08811,65450.412.81$138,007
Dec 20201,60512,97044.642.68$106,348
Nov 20202,12713,03038.772.71$117,730
Oct 20202,67413,90236.972.48$133,313
Sep 20202,73513,01737.091.99$127,359
Aug 20204,24514,03639.982.39$203,192
Jul 20202,86210,07638.371.83$128,205
Jun 20202,0208,82934.901.69$85,422
May 20203,06113,53416.921.81$76,353
Apr 20203,41114,50214.751.80$76,479
Mar 20204,20315,01130.341.86$155,383
Feb 20204,68814,47449.881.98$262,506
Jan 20206,61515,54057.252.09$411,261
Dec 20196,31715,30059.012.30$408,023
Nov 20198,21122,20655.302.75$515,150
Oct 201910,83726,15653.472.42$642,714
Sep 201914,00424,63355.052.66$836,377
Aug 201920,65626,73153.112.30$1,158,638
Jul 201924,39325,77556.272.46$1,436,002
Jun 201919,77917,71652.782.49$1,088,070
May 201913,84912,69558.482.74$844,678

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                  700 bbl  × $106.41 =    $74,487
Casinghead gas     5,595 Mcf  × $  3.05 =    $17,041

────────────────────────────────────────────────────
Month total                                  $91,528

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/52376 is the state's own key, not one this site invented.