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BROOK D-SW4A

Operated by PIONEER NATURAL RES. USA, INC. (P-5 665748) 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 21979District 7CField 85279200OilCasinghead gasSaveExport
Value, all time
$29.7 M
Sep 2022 – May 2026
Value, last 12 filed months
$2.9 M
at the published price for each month
Months reported
45
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 7,461 leases and 22,481 wells, and the rule below applies to all of them.

Discovered
1904-12-31
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 2016-03-08.

The Commission's schedule remark for this field reads: “AREA) 85279200.”

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
OilDisposition350,443 bbl$26,458,783
Casinghead gasProduction1,122,550 Mcf$3,229,653
Total$29,688,436

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 31.4785, -101.7895. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

31.47849, -101.78954 · 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
9,061 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 9,061 ft.

Completions filed
Dec 2022
1 of 1 wells

1 well

42-461414191H9,061 ftDec 2022——

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 (45)

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

45 months

May 20262,12731,401106.413.05$321,976
Apr 20262,20831,22998.932.87$308,056
Mar 20262,38530,48589.753.15$310,064
Feb 20262,56525,14963.503.75$257,194
Jan 20262,72117,04059.138.00$297,177
Dec 20251,97213,10056.664.41$169,549
Nov 20252,83124,08158.593.93$260,421
Oct 20253,06119,36759.383.30$245,767
Sep 20253,09712,96462.743.08$234,195
Aug 20253,0488,67363.933.01$221,006
Jul 20252,2474,05166.743.32$163,395
Jun 20251,2981,60966.483.13$91,325
May 20252475560.553.23$15,134
Apr 202527711662.363.54$17,685
Mar 20251,3299,50467.704.27$130,539
Feb 20254,35030,21870.884.34$439,500
Jan 20253,49129,64474.324.28$386,288
Dec 20244,92136,51168.993.12$453,464
Nov 20244,71536,29169.052.20$405,354
Oct 20244,89436,98871.372.28$433,669
Sep 20245,17136,34269.612.36$445,879
Aug 20245,52735,31775.632.06$490,888
Jul 20245,88236,18379.932.15$547,818
Jun 20246,28038,29478.082.63$591,208
May 20246,47133,41478.812.20$583,438
Apr 20246,78640,20984.451.66$639,792
Mar 20247,71439,42780.301.55$680,354
Feb 20247,68034,53276.091.78$645,964
Jan 20248,68940,25973.023.30$767,231
Dec 202310,01037,73271.262.61$811,820
Nov 20239,53219,25477.892.81$796,504
Oct 202312,35020,55385.443.09$1,118,637
Sep 202310,17529,14789.042.74$985,700
Aug 202316,06640,35080.522.67$1,401,485
Jul 202319,42542,15874.852.64$1,565,334
Jun 202315,41021,65368.962.26$1,111,576
May 202313,07318,51770.622.23$964,460
Apr 202320,73821,00278.122.24$1,667,050
Mar 202326,02836,40072.852.39$1,983,251
Feb 202327,47835,18875.112.47$2,150,635
Jan 202337,92646,79076.533.39$3,060,988
Dec 202218,24821,35376.415.73$1,516,663
Nov 20220085.005.65$0
Oct 20220087.185.86$0
Sep 20220084.888.16$0

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                2,127 bbl  × $106.41 =   $226,334
Casinghead gas    31,401 Mcf  × $  3.05 =    $95,642

────────────────────────────────────────────────────
Month total                                 $321,976

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. 7C/O/21979 is the state's own key, not one this site invented.