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Texas oil lease

Producing

MARY 18D

Mary 18D is an oil lease in Upton County, Texas, operated by Pioneer Natural Res. USA, Inc. in the Spraberry (Trend Area) field.

1 well

50,441bbl oil, last 12 months−52% vs prior year
Operator
Pioneer Natural Res. USA, Inc.
County
Upton County
Field
Spraberry (Trend Area)
RRC lease
7C-22060

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Where it sits

This county

Upton CountyUptonMidlandCraneGlasscockReaganEctorUpton County
Upton County
Gas, last 12 months
131,450 mcf
Oil in Jul 2026
37 bbl

Production by month

Oil output fell 52% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 52% over the last 12 monthsMonthly oil production and gas for MARY 18D, Aug 2023 to Jul 2026. Oil output fell 52% over the last 12 months. 50,441 bbl in the 12 months through Jul 2026, against 104,642 bbl in the 12 months before.Last 12 months: 50,441 bblbbl per monthmcf per month005,0005,00010k10k15k15k20k20k25k25kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 52% over the last 12 monthsMonthly oil production and gas for MARY 18D, Aug 2023 to Jul 2026. Oil output fell 52% over the last 12 months. 50,441 bbl in the 12 months through Jul 2026, against 104,642 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005,0005,00010k10k15k15k20k20k25k25kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Over 99% of the gas went to a processing plant in the last 12 months

Flaring peaked at 93.4% of the gas in Jul 2026.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Over 99% of the gas went to a processing plant in the last 12 monthsShare of MARY 18D gas by disposition code each month, Aug 2023 to Jul 2026. Over 99% of the gas went to a processing plant in the last 12 months. Flaring peaked at 93.4% of the gas in Jul 2026.Share of the lease’s gas by disposition code, per month0%50%100%Flared 93.4%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Over 99% of the gas went to a processing plant in the last 12 monthsShare of MARY 18D gas by disposition code each month, Aug 2023 to Jul 2026. Over 99% of the gas went to a processing plant in the last 12 months. Flaring peaked at 93.4% of the gas in Jul 2026.Share of gas by disposition code0%50%100%Flared 93.4%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    100% · 144,843 mcf

  • Flared (4)

    0.4% · 536 mcf

  • Lease fuel (1)

    0.1% · 181 mcf

0.4% of the gas flared in the last 12 months. One month above 3%.

1 well on this lease

Wells on MARY 18D
API numberWell no.Status
42-461-423434HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Medallion Operating Company, LLCOilGathers100Jun 5, 2023
Targa Pl Mid-Cont Westtex LLCCasinghead gasBuys100Jun 5, 2023
Targa Pl Mid-Cont Westtex LLCCasinghead gasGathers100Jun 5, 2023

SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).

Who buys my oilOil price check

650.80 acres on the newest permit

An allocation well is on this lease

Permits for Mary 18D
API numberWell no.Acreson the permit
42-461-423434H650.80

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for MARY 18D
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202637371974184$80.46$2.89
Jun 2026065000$84.81$3.15
May 20263,5953,6278,3538,29250$102.13$2.94
Apr 20264,9854,91711,42411,4070$100.32$2.77
Mar 20261,4441,6633,7633,74313$91.38$3.04
Feb 20263,6703,58511,04610,867161$64.51$3.62
Jan 20265,7675,75618,20518,15132$60.04$7.72
Dec 20256,2606,23416,47916,44516$57.97$4.26
Nov 20255,7115,79315,22915,2078$60.06$3.79
Oct 20256,1226,01916,92016,8949$60.89$3.19
Sep 20257,0367,04715,73715,68140$63.96$2.97
Aug 20255,8145,84014,09714,06021$64.86$2.91
Jul 20256,3386,39514,11014,0922$68.39$3.20
Jun 20257,4187,36317,48117,40854$68.17$3.02
May 20258,3698,52118,12718,06939$62.17$3.12
Apr 20258,6148,47916,19616,1762$63.54$3.42
Mar 20258,2328,22917,59417,56411$68.24$4.12
Feb 20257,8777,86816,57916,5554$71.53$4.19
Jan 20257,0857,14516,36516,30146$75.74$4.13
Dec 20248,9708,93322,83922,8162$70.12$3.01
Nov 20249,0769,17917,98517,91750$69.95$2.12
Oct 202410,84310,75820,51520,4940$71.99$2.20
Sep 202411,09411,18420,29920,2780$70.24$2.28
Aug 202410,72610,56420,57320,52920$76.68$1.99
Jul 202413,01013,13323,82923,74951$81.80$2.07
Jun 202414,47114,34422,05922,00925$79.77$2.54
May 20246,4706,5357,6587,491157$80.02$2.12
Apr 202414,37814,42123,20823,1850$85.35$1.60
Mar 202415,42015,42522,90722,761121$81.28$1.49
Feb 202415,50915,28219,55319,359174$77.25$1.72
Jan 202416,38016,88621,08721,02837$74.15$3.18
Dec 202318,11517,86122,39622,35025$71.90$2.52
Nov 202317,52117,54418,44818,41120$77.69$2.71
Oct 202318,28718,32118,32218,26244$85.64$2.98
Sep 202319,68519,57717,33917,3231$89.43$2.64
Aug 202319,80219,91615,78315,75021$81.39$2.58

Flared above 3%

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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Nearby

This lease belongs to

OperatorPioneer Natural Res. USA, Inc.FieldSpraberry (Trend Area)CountyUpton County

Pioneer Natural Res. USA, Inc. in Upton County

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Spraberry (Trend Area) field

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