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MARY 18-7A-A

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 19446District 7CField 85279201OilCasinghead gasSaveExport
Value, all time
$34.8 M
Dec 2016 – May 2026
Value, last 12 filed months
$1.8 M
at the published price for each month
Months reported
114
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
OilDisposition523,180 bbl$29,907,006
Casinghead gasProduction1,541,353 Mcf$4,924,627
Total$34,831,632

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 31.6185, -102.0314. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

31.61854, -102.03139 · 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
9,817 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 9,817 ft.

Completions filed
Dec 2016
1 of 1 wells

1 well

42-461403084401H9,817 ftDec 2016——

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 (114)

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

114 months

May 20261,5978,422106.413.05$195,589
Apr 20261,7247,44098.932.87$191,906
Mar 20262,1009,58289.753.15$218,653
Feb 20261,6697,61463.503.75$134,536
Jan 20261,7167,65659.138.00$162,699
Dec 20251,9098,11556.664.41$143,978
Nov 20252,0458,71758.593.93$154,043
Oct 20252,2452,09359.383.30$140,225
Sep 20251,1083,13662.743.08$79,165
Aug 20251,6744,82563.933.01$121,565
Jul 20251,7942,25666.743.32$127,211
Jun 20251,72411,56266.483.13$150,786
May 20251,98314,76660.553.23$167,799
Apr 20251,7489,25662.363.54$141,800
Mar 20251,8538,11067.704.27$160,064
Feb 20251,7028,16570.884.34$156,081
Jan 20251,88510,92274.324.28$186,825
Dec 20242,04213,76268.993.12$183,834
Nov 20241,91710,16669.052.20$154,718
Oct 20241,7458,37671.372.28$143,650
Sep 20242,18612,56469.612.36$181,873
Aug 20241,41213,45075.632.06$134,545
Jul 20241,99518,42079.932.15$199,001
Jun 20241,68312,27878.082.63$163,749
May 20242,12814,63478.812.20$199,880
Apr 20241,81012,28584.451.66$173,238
Mar 20241,49513,82480.301.55$141,408
Feb 20242,25118,11376.091.78$203,586
Jan 20242,17515,96673.023.30$211,469
Dec 20232,11215,46771.262.61$190,881
Nov 20231,82210,03277.892.81$170,081
Oct 20232,20118,64085.443.09$245,600
Sep 20231,85016,81289.042.74$210,705
Aug 20231,86919,74080.522.67$203,255
Jul 20232,34229,98074.852.64$254,500
Jun 20232,33826,83668.962.26$221,837
May 20232,50826,79270.622.23$236,791
Apr 20232,78228,28578.122.24$280,625
Mar 20234,09927,97272.852.39$365,554
Feb 20231,9844,56175.112.47$160,264
Jan 202330371876.533.39$25,621
Dec 20222,3538,81876.415.73$230,312
Nov 20222,5579,27985.005.65$269,736
Oct 20222,3368,99687.185.86$256,403
Sep 20222,0658,73784.888.16$246,603
Aug 20222,3758,37794.529.13$300,943
Jul 20222,4138,385101.587.54$308,353
Jun 20222,1137,599115.097.98$303,804
May 20222,4098,341109.378.43$333,812
Apr 20222,4777,639104.226.84$310,385
Mar 20222,4506,274108.885.08$298,605
Feb 20222,3966,90891.054.86$251,721
Jan 20222,8747,95381.844.54$271,296
Dec 20212,7506,58671.323.90$221,810
Nov 20212,7548,07277.435.24$255,514
Oct 20212,8639,22679.795.71$281,155
Sep 20212,8457,98869.865.35$241,495
Aug 20213,1347,33266.024.22$237,852
Jul 20213,2487,25270.783.98$258,771
Jun 20213,4395,21969.493.38$256,620
May 20211,7401,11663.483.02$113,823
Apr 20211,4001,19860.362.76$87,809
Mar 20212,4791,97561.302.72$157,329
Feb 20212,4172,14057.805.55$151,575
Jan 20213,0784,05050.412.81$166,544
Dec 20202,6446,45544.642.68$135,298
Nov 20202,3197,03538.772.71$108,948
Oct 20204,14611,66936.972.48$182,198
Sep 20203,45911,94137.091.99$152,069
Aug 20203,55714,90439.982.39$177,756
Jul 20203,73314,99338.371.83$170,599
Jun 20203,76112,94134.901.69$153,133
May 20203,65611,24216.921.81$82,261
Apr 20203,91911,33314.751.80$78,254
Mar 20204,53318,67930.341.86$172,204
Feb 20202,6524,28249.881.98$140,763
Jan 20204,4177,44657.252.09$268,471
Dec 20194,0504,96759.012.30$250,436
Nov 20193,5691,99355.302.75$202,848
Oct 20191,09444653.472.42$59,575
Sep 20191,93114155.052.66$106,676
Aug 2019128353.112.30$6,805
Jul 20193,41014,89656.272.46$228,526
Jun 20194,34418,06652.782.49$274,282
May 20194,46219,25158.482.74$313,692
Apr 20194,74222,48662.632.75$358,844
Mar 20195,46627,46956.803.06$394,582
Feb 20194,37913,85250.852.79$261,350
Jan 20195,68222,75346.033.23$334,993
Dec 20185,85021,75446.594.19$363,602
Nov 20185,55021,73752.934.24$385,866
Oct 20185,47020,37061.443.40$405,296
Sep 20185,72825,76459.543.11$421,120
Aug 20186,58933,02959.403.07$492,672
Jul 20186,32233,60865.142.93$510,350
Jun 20186,30715,93060.183.08$428,571
May 20184,2552,51265.382.90$285,479
Apr 20186,05516,00563.842.90$432,979
Mar 20187,31618,51261.222.79$499,476
Feb 20187,90422,34961.782.77$550,129
Jan 20189,36925,50062.874.01$691,267
Dec 201710,73528,22057.272.92$697,239
Nov 201710,18928,19955.423.12$652,609
Oct 201711,94335,20449.292.98$693,708
Sep 201710,07612,24347.523.09$516,609
Aug 201712,00524,62345.373.00$618,644
Jul 201713,71628,95143.873.09$691,101
Jun 201712,88814,22342.493.09$591,522
May 201716,43518,87945.373.26$807,266
Apr 201719,99833,48447.933.21$1,066,041
Mar 201721,67722,19646.772.98$1,080,059
Feb 201724,16725,04650.452.95$1,293,176
Jan 201735,30236,85549.413.42$1,870,272
Dec 201620,79115,14748.763.72$1,070,159

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                1,597 bbl  × $106.41 =   $169,937
Casinghead gas     8,422 Mcf  × $  3.05 =    $25,652

────────────────────────────────────────────────────
Month total                                 $195,589

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/19446 is the state's own key, not one this site invented.