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Texas oil lease

Producing

MARY O

Mary O is an oil lease in Upton County, Texas, operated by Summit Petroleum LLC in the Spraberry (Trend Area) field.

5 wells

11,450bbl oil, last 12 months−13% vs prior year
Operator
Summit Petroleum LLC
County
Upton County
Field
Spraberry (Trend Area)
RRC lease
7C-18246

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Where it sits

This county

Upton CountyUptonMidlandCraneGlasscockReaganEctorUpton County
Upton County
Gas, last 12 months
69,004 mcf
Oil in Jul 2026
1,101 bbl

Production by month

Oil output fell 13% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 13% over the last 12 monthsMonthly oil production and gas for MARY O, Aug 2023 to Jul 2026. Oil output fell 13% over the last 12 months. 11,450 bbl in the 12 months through Jul 2026, against 13,225 bbl in the 12 months before.Last 12 months: 11,450 bblbbl per monthmcf per month005002,0001,0004,0001,5006,0002,0008,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 13% over the last 12 monthsMonthly oil production and gas for MARY O, Aug 2023 to Jul 2026. Oil output fell 13% over the last 12 months. 11,450 bbl in the 12 months through Jul 2026, against 13,225 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005002,0001,0004,0001,5006,0002,0008,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since May 2024 the lease's gas goes to a transmission line instead of a processing plant

Flaring peaked at 30.1% of the gas in Jul 2026.

  • Processing plant (3)
  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since May 2024 the lease's gas goes to a transmission line instead of a processing plantShare of MARY O gas by disposition code each month, Aug 2023 to Jul 2026. Since May 2024 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 30.1% of the gas in Jul 2026.Share of the lease’s gas by disposition code, per month0%50%100%May 2024: plant to lineFlared 30.1%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since May 2024 the lease's gas goes to a transmission line instead of a processing plantShare of MARY O gas by disposition code each month, Aug 2023 to Jul 2026. Since May 2024 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 30.1% of the gas in Jul 2026.Share of gas by disposition code0%50%100%May 24: plant to lineFlared 30.1%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    92% · 63,348 mcf

  • Lease fuel (1)

    4.2% · 2,930 mcf

  • Flared (4)

    4.0% · 2,726 mcf

4.0% of the gas flared in the last 12 months. 4 months above 3%.

5 wells on this lease

Wells on MARY O
API numberWell no.Status
42-461-340161Active
42-461-387098501Active
42-461-395278510Active
42-461-395288513Active
42-461-395298506Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enlink Crude Marketing, LLCOilGathers100Jan 1, 2020–
Et Gathering & Processing LLCCasinghead gasBuys100Mar 1, 2026–
Energy Transfer CompanyCasinghead gasGathers100Aug 1, 2024–
Etc South Permian Midstream LLCCasinghead gasBuys100Aug 1, 2024Mar 1, 2026
Wtg South Permian Midstream LLCCasinghead gasGathers100Feb 1, 2021Aug 1, 2024
Wtg South Permian Midstream LLCCasinghead gasBuys100Feb 1, 2021Aug 1, 2024
Wtg Gas Processing, L.p.Casinghead gasGathers100Jan 16, 2013Feb 1, 2021
Wtg Gas Processing, L.p.Casinghead gasBuys100Jan 1, 2020Feb 1, 2021
Wtg Gas Processing, L.p.Casinghead gasBuys100Jan 1, 2017Jan 1, 2020

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

Who buys my oilOil price check

161 acres on the newest permit

Permits for Mary O
API numberWell no.Acreson the permit
42-461-395278510161
42-461-395288513161
42-461-395298506161
42-461-387098501160
42-461-340161160

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

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36 months, newest first

Ledger for MARY O
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20261,1011,0936,2194,3471,872$80.46$2.89
Jun 20267767255,8945,617277$84.81$3.15
May 20261,0651,2886,2246,2240$102.13$2.94
Apr 20261,1871,1085,9695,9690$100.32$2.77
Mar 20266127305,8665,185182$91.38$3.04
Feb 20261,0659345,5205,0690$64.51$3.62
Jan 20269027765,7855,2860$60.04$7.72
Dec 20258659725,8575,26890$57.97$4.26
Nov 20251,0107785,6185,015120$60.06$3.79
Oct 20259369265,5895,01080$60.89$3.19
Sep 20259281,0555,1365,09145$63.96$2.97
Aug 20251,0031,0315,3275,26760$64.86$2.91
Jul 20251,0167705,4465,4460$68.39$3.20
Jun 20259901,1775,7185,7180$68.17$3.02
May 20251,1901,1095,8745,8740$62.17$3.12
Apr 20251,0551,1705,2955,2950$63.54$3.42
Mar 20251,1481,1805,7465,6990$68.24$4.12
Feb 20251,2251,5555,0915,0410$71.53$4.19
Jan 20251,3771,1005,7055,6350$75.74$4.13
Dec 20241,3701,1475,0144,9400$70.12$3.01
Nov 20241,2021,3784,8204,7590$69.95$2.12
Oct 20249119384,6884,6470$71.99$2.20
Sep 20241,1981,4635,1675,1670$70.24$2.28
Aug 202454302,4642,4640$76.68$1.99
Jul 20248149143,2263,2260$81.80$2.07
Jun 20241,0961,3783,9483,9480$79.77$2.54
May 20241,3751,0994,3184,3180$80.02$2.12
Apr 20241,3061,4984,0744,0070$85.35$1.60
Mar 20241,6741,4844,0914,0220$81.28$1.49
Feb 20249511,0682,4582,4180$77.25$1.72
Jan 20246619242,1102,0840$74.15$3.18
Dec 20233801934,1394,0920$71.90$2.52
Nov 20239427323,3543,26845$77.69$2.71
Oct 20231,3181,4674,1133,583469$85.64$2.98
Sep 20238517733,1153,1150$89.43$2.64
Aug 20231,4041,4544,0724,02349$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

OperatorSummit Petroleum LLCFieldSpraberry (Trend Area)CountyUpton County

Summit Petroleum LLC in Upton County

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Spraberry (Trend Area) field

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