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TRAILAND B UNIT

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 51664District 08Field 85280300OilCasinghead gasSaveExport
Value, all time
$240.2 M
Sep 2018 – May 2026
Value, last 12 filed months
$13.2 M
at the published price for each month
Months reported
93
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
OilDisposition3,309,128 bbl$188,509,107
Casinghead gasProduction14,430,412 Mcf$51,644,892
Total$240,153,999

Wells on this lease (14)

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 31.9938, -102.2018. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.4 miles.

31.99393, -102.20162 · 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 14 wells
With a plug date
0.0%
0 of 14 wells
Median depth
9,444 ft
14 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.
14100.0%

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

Total depth in feet, 14 of 14 wells. Median 9,444 ft, with the middle half between 9,208 and 9,687 ft; the shallowest is 8,613 ft and the deepest 9,892 ft. The median is published rather than the mean, because a single mis-keyed depth moves a mean and cannot move a median.

When they were last completed

Last completion by decade, 14 of 14 wells, Sep 2018 – Jul 2019. This is the LAST completion filed on each wellbore, not the first — a well recompleted in 2019 counts once, in the 2010s.

Completions filed
Sep 2018 – Jul 2019
14 of 14 wells

14 wells

42-329429493906JM8,776 ftJul 2019——
42-329427773907LS9,309 ftJul 2019——
42-329427763908LS9,191 ftJul 2019——
42-329429483907MS8,613 ftJul 2019——
42-329427753907WA9,716 ftJul 2019——
42-329427733907WB9,880 ftJul 2019——
42-329427743908WA9,601 ftJul 2019——
42-329429473908JM8,774 ftMay 2019——
42-329422883901WB9,892 ftSep 2018——
42-329422863902WA9,580 ftSep 2018——
42-329422873901LS9,261 ftSep 2018——
42-329422903901WA9,579 ftSep 2018——
42-329422773902WB9,882 ftSep 2018——
42-329422783902LS9,258 ftSep 2018——

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 (93)

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

93 months

May 20267,277156,424106.413.05$1,250,788
Apr 20265,347166,62698.932.87$1,007,149
Mar 20267,030160,69089.753.15$1,137,026
Feb 20266,363135,77063.503.75$913,231
Jan 20267,802139,79659.138.00$1,579,409
Dec 20258,792144,83156.664.41$1,137,346
Nov 20258,009151,78758.593.93$1,065,230
Oct 20257,972150,71959.383.30$971,480
Sep 20257,947157,93662.743.08$984,551
Aug 20258,620160,26763.933.01$1,034,243
Jul 20258,294154,11966.743.32$1,064,477
Jun 20258,774144,94366.483.13$1,036,782
May 20259,718153,09260.553.23$1,083,267
Apr 20259,267143,53062.363.54$1,086,434
Mar 20259,207158,33867.704.27$1,299,151
Feb 20258,157135,47470.884.34$1,166,239
Jan 202510,088160,45774.324.28$1,436,284
Dec 202410,179161,08868.993.12$1,205,064
Nov 202410,891173,94169.052.20$1,134,422
Oct 202412,057180,86971.372.28$1,273,143
Sep 202411,504160,16769.612.36$1,179,486
Aug 202413,165164,71575.632.06$1,335,580
Jul 202413,384170,13279.932.15$1,434,987
Jun 202413,710160,26578.082.63$1,492,612
May 202414,792132,05078.812.20$1,456,062
Apr 202414,328136,04684.451.66$1,435,727
Mar 202413,179119,73680.301.55$1,243,281
Feb 20248,42787,54076.091.78$797,350
Jan 202410,82772,81773.023.30$1,030,713
Dec 202311,483106,86971.262.61$1,097,284
Nov 202310,867107,14977.892.81$1,147,258
Oct 202310,986106,29685.443.09$1,266,809
Sep 202311,631120,37689.042.74$1,364,857
Aug 202313,739136,91380.522.67$1,472,216
Jul 202312,634134,30974.852.64$1,300,472
Jun 202311,778127,12668.962.26$1,099,322
May 202310,972124,42270.622.23$1,051,980
Apr 202310,131108,61778.122.24$1,034,493
Mar 20239,446107,64472.852.39$945,750
Feb 20236,40880,27075.112.47$679,225
Jan 20235,35497,59876.533.39$740,376
Dec 20226,755108,23076.415.73$1,136,208
Nov 202210,447145,03685.005.65$1,706,897
Oct 202215,653187,52687.185.86$2,464,236
Sep 202215,890186,02184.888.16$2,867,359
Aug 202216,187185,61194.529.13$3,224,097
Jul 202217,656182,276101.587.54$3,168,237
Jun 202218,028181,078115.097.98$3,519,338
May 202219,214188,136109.378.43$3,687,994
Apr 202219,137176,442104.226.84$3,200,898
Mar 202221,059186,971108.885.08$3,242,044
Feb 202219,496168,86391.054.86$2,595,589
Jan 202221,667187,15481.844.54$2,622,472
Dec 202121,100202,41671.323.90$2,294,096
Nov 202125,619222,98377.435.24$3,151,408
Oct 202129,100219,98979.795.71$3,578,878
Sep 202126,704180,48669.865.35$2,831,308
Aug 202127,193176,81466.024.22$2,541,541
Jul 202129,891205,51670.783.98$2,934,066
Jun 202126,093172,32569.493.38$2,395,768
May 202134,224230,38163.483.02$2,867,753
Apr 202139,195245,06560.362.76$3,041,802
Mar 202143,692224,05661.302.72$3,287,066
Feb 202134,374159,23357.805.55$2,870,234
Jan 202145,224195,51350.412.81$2,829,186
Dec 202041,690190,06244.642.68$2,369,545
Nov 202048,023193,30438.772.71$2,385,043
Oct 202049,908176,67136.972.48$2,282,965
Sep 202048,538175,81737.091.99$2,150,333
Aug 202050,939181,89039.982.39$2,470,367
Jul 202046,945164,06838.371.83$2,100,723
Jun 202060,528179,48034.901.69$2,415,804
May 202063,176169,14616.921.81$1,375,896
Apr 202068,934183,12414.751.80$1,347,202
Mar 202078,996194,95630.341.86$2,758,622
Feb 202080,682186,00549.881.98$4,392,833
Jan 202094,762168,78757.252.09$5,778,689
Dec 2019108,711182,54859.012.30$6,835,692
Nov 2019127,052202,78255.302.75$7,583,768
Oct 2019107,058160,75153.472.42$6,113,174
Sep 2019197,860255,74355.052.66$11,571,774
Aug 2019234,469228,70253.112.30$12,979,660
Jul 201969,14057,16456.272.46$4,031,135
Jun 20191,0191,19152.782.49$56,750
May 201916,49134,65758.482.74$1,059,365
Apr 201949,99389,97062.632.75$3,378,542
Mar 201962,113115,97056.803.06$3,883,130
Feb 201966,695115,43750.852.79$3,713,766
Jan 201982,775135,85446.033.23$4,248,694
Dec 2018105,406155,00746.594.19$5,559,638
Nov 2018137,868171,45252.934.24$8,023,837
Oct 2018162,997146,26961.443.40$10,511,569
Sep 201852,22643,73059.543.11$3,245,449

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                7,277 bbl  × $106.41 =   $774,346
Casinghead gas   156,424 Mcf  × $  3.05 =   $476,442

────────────────────────────────────────────────────
Month total                               $1,250,788

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/51664 is the state's own key, not one this site invented.