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FORTRESS B4

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 52375District 08Field 85280300OilCasinghead gasSaveExport
Value, all time
$12.7 M
May 2019 – May 2026
Value, last 12 filed months
$605 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
OilDisposition195,437 bbl$10,722,070
Casinghead gasProduction673,404 Mcf$1,971,121
Total$12,693,190

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, -101.9595. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

32.32333, -101.95946 · 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
9,346 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 9,346 ft.

Completions filed
May 2019
1 of 1 wells

1 well

42-3174160106WA9,346 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 20264652,202106.413.05$56,188
Apr 20262541,68298.932.87$29,955
Mar 20265217,14189.753.15$69,250
Feb 20264939,72963.503.75$67,792
Jan 20264235,63959.138.00$70,112
Dec 20255025,47256.664.41$52,593
Nov 20256283,37358.593.93$50,038
Oct 20253424359.383.30$20,450
Sep 2025331962.743.08$20,795
Aug 202548314,36263.933.01$74,176
Jul 20255363,05866.743.32$45,911
Jun 20255553,33666.483.13$47,334
May 20256183,35060.553.23$48,248
Apr 20255462,67162.363.54$43,512
Mar 20258011,45867.704.27$60,451
Feb 2025675070.884.34$47,844
Jan 2025660074.324.28$49,051
Dec 202465970768.993.12$47,671
Nov 20246333,74369.052.20$51,937
Oct 20246994,44471.372.28$60,026
Sep 20242581,53869.612.36$21,596
Aug 20247295,05775.632.06$65,570
Jul 20246726,14679.932.15$66,906
Jun 20244667,55778.082.63$56,290
May 20243766,49978.812.20$43,920
Apr 20243886,29584.451.66$43,211
Mar 20243506,12880.301.55$37,574
Feb 20241994,63976.091.78$23,416
Jan 20243325,44273.023.30$42,189
Dec 20233536,24171.262.61$41,448
Nov 20232293,76377.892.81$28,402
Oct 20233836,74885.443.09$53,556
Sep 20235227,53089.042.74$67,074
Aug 20235947,74180.522.67$68,520
Jul 20235528,43174.852.64$63,590
Jun 202354310,51868.962.26$61,200
May 20235078,33270.622.23$54,363
Apr 20236049,64278.122.24$68,761
Mar 202376810,58672.852.39$81,283
Feb 20238868,42575.112.47$87,321
Jan 20231,3557,22676.533.39$128,178
Dec 20223832,92876.415.73$46,040
Nov 20223492,29285.005.65$42,606
Oct 202223296587.185.86$25,884
Sep 20223251,37384.888.16$38,795
Aug 20223271,46694.529.13$44,288
Jul 20223422,045101.587.54$50,164
Jun 20223432,991115.097.98$63,336
May 20223642,988109.378.43$65,009
Apr 20224582,619104.226.84$65,640
Mar 202272319108.885.08$9,459
Feb 20227033,88991.054.86$82,904
Jan 20228584,65281.844.54$91,328
Dec 20219174,56371.323.90$83,192
Nov 20217414,95677.435.24$83,329
Oct 20211,3869,53779.795.71$165,082
Sep 20211,61310,55569.865.35$169,163
Aug 20211,60611,03466.024.22$152,598
Jul 20211,80711,36070.783.98$173,136
Jun 20211,74010,48569.493.38$156,358
May 20212,03311,43263.483.02$163,553
Apr 20211,87111,09960.362.76$143,549
Mar 20212,45612,23861.302.72$183,803
Feb 20212,05510,19957.805.55$175,363
Jan 20212,57511,63450.412.81$162,500
Dec 20202,17211,35544.642.68$127,338
Nov 20202,14412,25538.772.71$116,292
Oct 20203,09213,58936.972.48$147,991
Sep 20202,80413,30737.091.99$130,495
Aug 20203,65414,23539.982.39$180,039
Jul 20203,68914,84938.371.83$168,648
Jun 20203,54514,22834.901.69$147,770
May 20204,03415,57716.921.81$96,524
Apr 20204,27716,57914.751.80$93,001
Mar 20205,14117,27530.341.86$188,044
Feb 20204,03411,28349.881.98$223,564
Jan 20205,76916,06257.252.09$363,921
Dec 20196,99315,96059.012.30$449,435
Nov 20197,51917,08155.302.75$462,785
Oct 20199,51218,01953.472.42$552,186
Sep 201912,09319,56355.052.66$717,704
Aug 201916,56021,65353.112.30$929,398
Jul 201923,46523,17656.272.46$1,377,390
Jun 201917,67315,28352.782.49$970,854
May 20199,8217,55358.482.74$595,030

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                  465 bbl  × $106.41 =    $49,481
Casinghead gas     2,202 Mcf  × $  3.05 =     $6,707

────────────────────────────────────────────────────
Month total                                  $56,188

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/52375 is the state's own key, not one this site invented.