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BAST '33-40'

Operated by PIONEER NATURAL RES. USA, INC. (P-5 665748) in the SPRABERRY (TREND AREA) R 40 EXC field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 19818District 7CField 85279201OilCasinghead gasSaveExport
Value, all time
$56.8 M
Oct 2017 – May 2026
Value, last 12 filed months
$2.6 M
at the published price for each month
Months reported
104
no gaps in the span
Streams
2
oil, casinghead gas

The SPRABERRY (TREND AREA) R 40 EXC 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 721 leases and 1,413 wells, and the rule below applies to all of them.

Discovered
2013-12-18
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 2024-02-01.

The Commission's schedule remark for this field reads: “ALLOCATION FORMULA EFFECTIVE 02/01/2024.”

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
OilDisposition577,043 bbl$35,794,750
Casinghead gasProduction6,109,447 Mcf$20,995,562
Total$56,790,312

Wells on this lease (4)

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 31.4781, -101.7243. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

31.47813, -101.72431 · 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 4 wells
With a plug date
0.0%
0 of 4 wells
Median depth
8,589 ft
4 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.
4100.0%

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 7,917 and 8,977 ft, median 8,589 ft, over the 4 wells that filed a depth.

Completions filed
Oct 2017 – Nov 2017
4 of 4 wells

4 wells

42-383397762813H7,917 ftNov 2017——
42-383397924213H8,486 ftNov 2017——
42-383397934313H8,691 ftOct 2017——
42-383397954413H8,977 ftOct 2017——

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 (104)

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

104 months

May 20262,01226,882106.413.05$295,975
Apr 20261,62742,32398.932.87$282,414
Mar 20261,61328,31989.753.15$233,956
Feb 20261,63239,62863.503.75$252,250
Jan 20261,44120,32559.138.00$247,764
Dec 20251,99719,90856.664.41$201,011
Nov 20251,26921,19458.593.93$157,568
Oct 20251,51825,56459.383.30$174,624
Sep 20251,85627,17962.743.08$200,073
Aug 20251,78025,08563.933.01$189,421
Jul 20251,64624,49266.743.32$191,050
Jun 20251,82322,50066.483.13$191,589
May 20251,92320,24660.553.23$181,879
Apr 20252,19117,53162.363.54$198,745
Mar 202570911,49267.704.27$97,051
Feb 20257509,79070.884.34$95,657
Jan 20259169,94874.324.28$110,641
Dec 20241,67213,97968.993.12$158,985
Nov 20241,45111,62169.052.20$125,740
Oct 20241,94611,25771.372.28$164,568
Sep 20242,7878,81869.612.36$214,852
Aug 20242,2715,03175.632.06$182,138
Jul 20241,1002,85179.932.15$94,043
Jun 20243862,31478.082.63$36,234
May 20241,72315,39578.812.20$169,635
Apr 20241,92913,68784.451.66$185,614
Mar 20242,26611,32080.301.55$199,451
Feb 20241,9169,93076.091.78$163,500
Jan 20242,6717,08273.023.30$218,390
Dec 20232,8065,08971.262.61$213,242
Nov 20231,3273,55477.892.81$113,338
Oct 20231,6613,66785.443.09$153,237
Sep 20232,1366,11889.042.74$206,922
Aug 202317897080.522.67$16,925
Jul 20232,15843,77574.852.64$277,171
Jun 20232,36450,36168.962.26$276,761
May 20232,50352,99370.622.23$294,798
Apr 20232,13939,77778.122.24$256,110
Mar 20231,94244,84272.852.39$248,789
Feb 20231,76617,99275.112.47$177,007
Jan 20231,91911,88876.533.39$187,134
Dec 20221,74311,43076.415.73$198,666
Nov 20228625,99985.005.65$107,142
Oct 20222,16339,32087.185.86$419,133
Sep 20222,86562,08684.888.16$750,031
Aug 20223,22546,14294.529.13$725,972
Jul 20223,93975,710101.587.54$971,135
Jun 20224,09874,564115.097.98$1,066,451
May 20224,19681,128109.378.43$1,143,072
Apr 20223,80279,131104.226.84$937,311
Mar 20224,40581,981108.885.08$895,785
Feb 20223,32072,52991.054.86$654,693
Jan 20223,60582,52581.844.54$669,505
Dec 20214,12482,61171.323.90$616,234
Nov 20213,65375,75477.435.24$679,564
Oct 20214,04481,36579.795.71$787,580
Sep 20213,73384,61569.865.35$713,555
Aug 20214,26187,38366.024.22$650,119
Jul 20214,08388,18370.783.98$640,147
Jun 20213,95085,71669.493.38$564,259
May 20214,38189,87463.483.02$549,316
Apr 20214,41483,23760.362.76$496,032
Mar 20215,69690,52361.302.72$595,110
Feb 20213,01155,41657.805.55$481,481
Jan 20215,70587,64750.412.81$533,901
Dec 20204,84185,14244.642.68$443,896
Nov 20205,69289,79238.772.71$463,707
Oct 20205,47486,47736.972.48$416,701
Sep 20204,47488,52937.091.99$342,205
Aug 20204,59094,29239.982.39$408,404
Jul 20205,84895,67438.371.83$399,004
Jun 20206,10381,70734.901.69$351,105
May 20203,50175,01616.921.81$195,372
Apr 20203,11850,39414.751.80$136,920
Mar 20202,06666,29630.341.86$185,743
Feb 20202,10566,96549.881.98$237,633
Jan 20202,99275,39657.252.09$329,227
Dec 20194,25075,36559.012.30$424,461
Nov 20195,44586,06155.302.75$537,836
Oct 20195,90590,03053.472.42$533,482
Sep 20195,69679,03255.052.66$523,575
Aug 20196,29682,74753.112.30$525,059
Jul 20198,157109,20756.272.46$727,650
Jun 20196,962119,80852.782.49$665,920
May 20197,513122,84658.482.74$775,998
Apr 20197,451113,02362.632.75$777,549
Mar 20194,615104,11356.803.06$580,936
Feb 20194,98486,58150.852.79$495,190
Jan 20198,49074,30246.033.23$630,655
Dec 20186,48138,33446.594.19$462,394
Nov 20187,90594,68752.934.24$819,623
Oct 201810,343117,34461.443.40$1,034,218
Sep 201811,001129,80759.543.11$1,058,440
Aug 201813,287141,00859.403.07$1,221,657
Jul 201813,967120,24665.142.93$1,262,357
Jun 201815,628129,70560.183.08$1,339,585
May 201819,901165,60365.382.90$1,781,509
Apr 201820,590134,40263.842.90$1,704,339
Mar 201823,953128,17061.222.79$1,823,592
Feb 201828,21099,57161.782.77$2,018,239
Jan 201838,41796,68162.874.01$2,802,902
Dec 201749,54489,32157.272.92$3,098,338
Nov 201728,55932,32555.423.12$1,683,541
Oct 20171,6911,86249.292.98$88,905

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                2,012 bbl  × $106.41 =   $214,097
Casinghead gas    26,882 Mcf  × $  3.05 =    $81,878

────────────────────────────────────────────────────
Month total                                 $295,975

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/19818 is the state's own key, not one this site invented.