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MARY 18-7-G

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 19483District 7CField 85279201OilCasinghead gasSaveExport
Value, all time
$46.3 M
Dec 2016 – May 2026
Value, last 12 filed months
$2.1 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
OilDisposition707,345 bbl$41,415,391
Casinghead gasProduction1,494,434 Mcf$4,880,805
Total$46,296,196

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 31.6218, -102.0181. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

31.62183, -102.01813 · 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
9,423 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 9,423 ft.

Completions filed
Dec 2016
1 of 1 wells

1 well

42-461403374214H9,423 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 20263,3543,724106.413.05$368,242
Apr 20263,5355,57398.932.87$365,711
Mar 20262,9433,84789.753.15$276,250
Feb 202651294863.503.75$36,067
Jan 202618872459.138.00$16,907
Dec 20259922,16856.664.41$65,775
Nov 20251,1802,07558.593.93$77,284
Oct 20259423,27659.383.30$66,763
Sep 20251,3627,21962.743.08$107,664
Aug 20252,03715,21363.933.01$176,089
Jul 20252,93618,75166.743.32$258,112
Jun 20252,83215,62466.483.13$237,154
May 20253,2699,96460.553.23$230,145
Apr 20253,14411,58362.363.54$237,100
Mar 20253,15510,39667.704.27$257,967
Feb 20252,2266,37370.884.34$185,443
Jan 20253,08410,49974.324.28$274,125
Dec 20243,22711,86868.993.12$259,675
Nov 20243,11916,85569.052.20$252,422
Oct 20243,47719,45271.372.28$292,531
Sep 20243,54215,10369.612.36$282,268
Aug 20242,49610,10175.632.06$209,617
Jul 20243,19510,21579.932.15$277,304
Jun 20243,3638,97978.082.63$286,234
May 20243,4767,16078.812.20$289,684
Apr 20243,8715,82784.451.66$336,574
Mar 20242,6843,53080.301.55$220,980
Feb 202436934876.091.78$28,698
Jan 20241,3491,84673.023.30$104,591
Dec 20233,4335,85771.262.61$259,927
Nov 20232,2703,59477.892.81$186,901
Oct 20233,8697,73485.443.09$354,444
Sep 20232,9893,01189.042.74$274,376
Aug 20231,54056180.522.67$125,500
Jul 202367516374.852.64$50,954
Jun 202323834068.962.26$17,180
May 202328822270.622.23$20,833
Apr 20233,5028,79578.122.24$293,257
Mar 20233,6747,25872.852.39$285,020
Feb 20233,0364,96075.112.47$240,264
Jan 20233,9476,38876.533.39$323,705
Dec 20222,7454,18976.415.73$233,745
Nov 20223,2324,87085.005.65$302,217
Oct 20222,6834,37587.185.86$259,558
Sep 20223,3787,89784.888.16$351,193
Aug 20223,4539,40894.529.13$412,246
Jul 20223,39412,588101.587.54$439,702
Jun 20223,44916,761115.097.98$530,651
May 20224,28217,425109.378.43$615,268
Apr 20224,40416,589104.226.84$572,414
Mar 20224,82315,150108.885.08$602,036
Feb 20224,62714,69691.054.86$492,694
Jan 20225,15813,70481.844.54$484,315
Dec 20215,30716,87771.323.90$444,301
Nov 20215,73115,92377.435.24$527,138
Oct 20217,24614,78379.795.71$662,626
Sep 202197785569.865.35$72,828
Aug 20213,0954,77366.024.22$224,477
Jul 20215,0347,74970.783.98$387,164
Jun 20214,0377,53969.493.38$306,018
May 20214,0355,08063.483.02$271,472
Apr 20214,3605,07060.362.76$277,155
Mar 20215,5765,24461.302.72$356,056
Feb 20211,66739857.805.55$98,561
Jan 202190815150.412.81$46,197
Dec 2020384044.642.68$17,142
Nov 2020163038.772.71$6,320
Oct 20204,09518,16436.972.48$196,410
Sep 20204,95023,25137.091.99$229,889
Aug 20205,05425,72939.982.39$263,425
Jul 20205,36124,97138.371.83$251,277
Jun 20205,39623,12134.901.69$227,402
May 20205,83424,60416.921.81$143,361
Apr 20207,04220,67814.751.80$141,180
Mar 20204,32917,57630.341.86$163,967
Feb 20205,37317,82449.881.98$303,309
Jan 20205,81814,65757.252.09$363,783
Dec 20196,72115,65759.012.30$432,686
Nov 20196,2989,72655.302.75$375,033
Oct 20191,73488353.472.42$94,853
Sep 20196,11529,62655.052.66$415,355
Aug 20197,06334,46453.112.30$454,533
Jul 20197,04321,05156.272.46$448,096
Jun 20197,18621,39852.782.49$432,584
May 20197,12220,14758.482.74$471,704
Apr 20197,84422,35762.632.75$552,767
Mar 20198,95122,39956.803.06$577,005
Feb 20197,98013,55350.852.79$443,626
Jan 20195,9105,37646.033.23$289,392
Dec 20187,50414,04946.594.19$408,413
Nov 20188,88217,66152.934.24$544,958
Oct 20187,60214,35961.443.40$515,860
Sep 20188,72120,30659.543.11$582,359
Aug 20189,76031,93859.403.07$677,684
Jul 20189,37425,82465.142.93$686,335
Jun 201810,53928,05460.183.08$720,557
May 201811,52633,52865.382.90$850,828
Apr 201812,16627,50763.842.90$856,470
Mar 201810,40114,66961.222.79$677,629
Feb 20189,31614,29861.782.77$615,092
Jan 201813,03722,14762.874.01$908,431
Dec 201713,65523,27857.272.92$850,029
Nov 201714,40727,51155.423.12$884,225
Oct 201715,93730,77149.292.98$877,346
Sep 201714,48421,47947.523.09$754,591
Aug 201717,24024,21645.373.00$854,933
Jul 201716,79817,76043.873.09$791,758
Jun 201717,39719,11042.493.09$798,196
May 201718,78313,43745.373.26$896,035
Apr 201719,04118,16847.933.21$970,983
Mar 201723,53223,40346.772.98$1,170,419
Feb 201725,03222,82650.452.95$1,330,260
Jan 201731,40728,52549.413.42$1,649,341
Dec 201632,11722,18048.763.72$1,648,597

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                3,354 bbl  × $106.41 =   $356,899
Casinghead gas     3,724 Mcf  × $  3.05 =    $11,343

────────────────────────────────────────────────────
Month total                                 $368,242

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/19483 is the state's own key, not one this site invented.