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MARY 18-7A-C

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 20916District 7CField 85279201OilCasinghead gasSave
Value, all time
$24.8 M
Nov 2019 – May 2026
Value, last 12 filed months
$1.9 M
at the published price for each month
Months reported
79
no gaps in the span
Streams
2
oil, casinghead gas

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
OilDisposition344,889 bbl$21,162,969
Casinghead gasProduction1,052,523 Mcf$3,658,945
Total$24,821,914

Wells on this lease (2)

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 31.2212, -101.9343. A lease has no coordinate of its own — that point is the mean of its wells, and they span 54.8 miles, so treat it as the lease's centre and not as its location.

31.22124, -101.93435 · 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
50.0%
1 of 2 wells
With a plug date
50.0%
1 of 2 wells
Median depth
5,123 ft
2 wells filed one
Completion to plug
8 months
median over 1 wells

What the state filed about each well

On the RRC proration schedule
150.0%
A plug date is filed
150.0%
BothOn the schedule and plugged. Neither fact cancels the other.
150.0%
NeitherNo plug date, and not on the schedule.
150.0%

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 892 and 9,354 ft, median 5,123 ft, over the 2 wells that filed a depth.

Completions filed
May 2010 – Nov 2019
2 of 2 wells
Plug dates filed
Jan 2011
1 of 2 wells; 1 filed none

Last completion to plug: a median of 8 months across the 1 well that filed both dates, with the middle half between 8 months and 8 months. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

2 wells

42-461412364105H9,354 ftNov 2019——
42-105305832892 ftMay 2010Jan 2011Yes

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 (79)

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

79 months

May 20261,5766,562106.413.05$187,689
Apr 20261,6828,06298.932.87$189,536
Mar 20261,81115,68289.753.15$211,927
Feb 20262,1878,47063.503.75$170,640
Jan 20261,6549,60859.138.00$174,645
Dec 20251,8758,03156.664.41$141,681
Nov 20251,58510,01258.593.93$132,177
Oct 20251,9439,64259.383.30$147,241
Sep 20251,4806,61462.743.08$113,206
Aug 20251,80011,05163.933.01$148,390
Jul 20251,64014,95766.743.32$159,039
Jun 20251,41716,18766.483.13$144,847
May 20251,20416,36560.553.23$125,799
Apr 20251,22414,55862.363.54$127,909
Mar 20251,34715,32867.704.27$156,617
Feb 20251,47811,05370.884.34$152,740
Jan 20251,72210,89274.324.28$174,582
Dec 20241,76513,28068.993.12$163,219
Nov 20241,69112,66669.052.20$144,609
Oct 20241,65611,63171.372.28$144,724
Sep 20241,77111,86269.612.36$151,325
Aug 20241,96813,21575.632.06$176,111
Jul 20242,09312,62479.932.15$194,392
Jun 20242,20313,16778.082.63$206,692
May 20242,33815,68078.812.20$218,729
Apr 20242,51117,49684.451.66$241,083
Mar 20242,92912,48180.301.55$254,483
Feb 20242,45713,84576.091.78$211,648
Jan 20242,64613,21773.023.30$236,796
Dec 20232,58916,73571.262.61$228,183
Nov 20232,30418,75077.892.81$232,100
Oct 20232,80810,48185.443.09$272,273
Sep 20232,6609,36789.042.74$262,466
Aug 20233,04810,68280.522.67$273,977
Jul 20232,84710,23474.852.64$240,134
Jun 20232,3169,05668.962.26$180,164
May 20232,90812,10770.622.23$232,330
Apr 20233,02113,73678.122.24$266,738
Mar 20233,34213,32772.852.39$275,358
Feb 20233,42312,56375.112.47$288,078
Jan 20233,09517,63976.533.39$296,616
Dec 20222,79312,62276.415.73$285,726
Nov 20223,08413,13885.005.65$336,320
Oct 20222,63910,11887.185.86$289,398
Sep 20223,19212,41684.888.16$372,297
Aug 20223,51414,13594.529.13$461,156
Jul 20223,57012,939101.587.54$460,228
Jun 20223,30411,937115.097.98$475,481
May 20223,68913,913109.378.43$520,795
Apr 20224,00212,731104.226.84$504,138
Mar 20224,03413,454108.885.08$507,520
Feb 20224,06414,99591.054.86$442,886
Jan 20224,36513,29281.844.54$417,546
Dec 20214,51112,88171.323.90$371,949
Nov 20214,57513,64177.435.24$425,678
Oct 20215,06714,40879.795.71$486,621
Sep 20215,05312,95769.865.35$422,334
Aug 20215,79212,43766.024.22$434,879
Jul 20216,6706,76070.783.98$499,021
Jun 20211,57029369.493.38$110,090
May 20211,5454,23463.483.02$110,853
Apr 20215,38816,97360.362.76$372,038
Mar 20215,81216,52761.302.72$401,178
Feb 20216,40115,30057.805.55$454,861
Jan 20216,71513,60950.412.81$376,748
Dec 20206,64713,63144.642.68$333,191
Nov 20206,29312,19638.772.71$276,989
Oct 20206,93312,80636.972.48$288,052
Sep 20207,29416,05337.091.99$302,497
Aug 20207,71013,84939.982.39$341,277
Jul 20208,03913,94338.371.83$333,904
Jun 20208,74317,60034.901.69$334,880
May 202010,03419,12916.921.81$204,490
Apr 202011,27618,98114.751.80$200,570
Mar 20209,6338,68130.341.86$308,379
Feb 202012,16015,95149.881.98$638,134
Jan 202016,44727,09757.252.09$998,352
Dec 201919,60327,74259.012.30$1,220,701
Nov 201924,71430,23955.302.75$1,449,863

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                1,576 bbl  × $106.41 =   $167,702
Casinghead gas     6,562 Mcf  × $  3.05 =    $19,987

────────────────────────────────────────────────────
Month total                                 $187,689

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/20916 is the state's own key, not one this site invented.