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Texas oil lease

Producing

MARY MCCOMB

Mary McComb is an oil lease in Pecos County, Texas, operated by Willowick Production LLC in the Wolfbone (Trend Area) field.

1 well

2,522bbl oil, last 12 months−20% vs prior year
Operator
Willowick Production LLC
County
Pecos County
Field
Wolfbone (Trend Area)
RRC lease
08-46811

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Where it sits

This county

Pecos CountyPecosUptonCranePecos County
Pecos County
Oil in Jul 2026
130 bbl
Reporting since
Jan 2020

Checks stopped on this lease?

  • Operator

    Operator changed: Willowick Production LLC took over from Sven Permian, LLC in Sep 2025.

  • P-5

    The previous operator's P-5 registration is listed as inactive since Sep 30, 2025 (last P-5 filed Sep 16, 2024).

  • Buyer

    Buyer changed: ET GATHERING & PROCESSING LLC replaced ENERGY TRANSFER COMPANY as the buyer of this lease's gas from oil wells on Sep 1, 2025.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Oil output fell 20% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output fell 20% over the last 12 monthsMonthly oil production for MARY MCCOMB, Aug 2023 to Jul 2026. Oil output fell 20% over the last 12 months. 2,522 bbl in the 12 months through Jul 2026, against 3,143 bbl in the 12 months before.Last 12 months: 2,522 bblbbl per month0200400600800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 20% over the last 12 monthsMonthly oil production for MARY MCCOMB, Aug 2023 to Jul 2026. Oil output fell 20% over the last 12 months. 2,522 bbl in the 12 months through Jul 2026, against 3,143 bbl in the 12 months before.Last 12 monthsbbl per month0200400600800Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

Who has run this lease

The operator changed 2 times, most recently in Sep 2025

Operators of this lease over timeGary Permian, LLC, Jan 2020 to Oct 2021; Sven Permian, LLC, Nov 2021 to Aug 2025; Willowick Production LLC, Sep 2025 to Jul 20262020202120222023202420252026Changed Nov 2021Changed Sep 2025Gary Permian, LLCJan 2020 to Oct 2021Sven Permian, LLCNov 2021 to Aug 2025Willowick Production LLCSep 2025 to now
Operators of this lease over timeGary Permian, LLC, Jan 2020 to Oct 2021; Sven Permian, LLC, Nov 2021 to Aug 2025; Willowick Production LLC, Sep 2025 to Jul 20262020202120222023202420252026Changed Nov 2021Changed Sep 2025Gary Permian, LLCJan 2020 to Oct 2021Sven Permian, LLCNov 2021 to Aug 2025Willowick Production LLCSep 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on MARY MCCOMB
API numberWell no.Status
42-371-330641Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Plains Marketing, L.p.OilGathers100Nov 1, 2021–
Et Gathering & Processing LLCCasinghead gasBuys100Sep 1, 2025–
Energy Transfer CompanyCasinghead gasGathers100Nov 1, 2015–
Energy Transfer CompanyCasinghead gasBuys100Nov 1, 2015Sep 1, 2025
Lpc Crude Oil Marketing LLCOilGathers100Apr 16, 2015Nov 1, 2021

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

Who buys my oilOil price check

640 acres on the newest permit

Check your decimal on this lease
Permits for Mary McComb
API numberWell no.Acreson the permit
42-371-330641640

SourceRailroad Commission drilling permits, Oct 3, 2026 (source 1, source 2).

Unit decimal checker

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36 months, newest first

Ledger for MARY MCCOMB
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026Willowick Production130102$80.46$2.89
Jun 2026Willowick Production204203$84.81$3.15
May 2026Willowick Production332454$102.13$2.94
Apr 2026Willowick Production1160$100.32$2.77
Mar 2026Willowick Production74103$91.38$3.04
Feb 2026Willowick Production184194$64.51$3.62
Jan 2026Willowick Production185105$60.04$7.72
Dec 2025Willowick Production197278$57.97$4.26
Nov 2025Willowick Production237208$60.06$3.79
Oct 2025Willowick Production235207$60.89$3.19
Sep 2025Willowick Production238303$63.96$2.97
Aug 2025Sven Permian,390402$64.86$2.91
Jul 2025Sven Permian,311310$68.39$3.20
Jun 2025Sven Permian,423400$68.17$3.02
May 2025Sven Permian,324407$62.17$3.12
Apr 2025Sven Permian,43218$63.54$3.42
Mar 2025Sven Permian,536294$68.24$4.12
Feb 2025Sven Permian,345301$71.53$4.19
Jan 2025Sven Permian,234224$75.74$4.13
Dec 2024Sven Permian,601686$70.12$3.01
Nov 2024Sven Permian,279201$69.95$2.12
Oct 2024Sven Permian,049$71.99$2.20
Sep 2024Sven Permian,44173$70.24$2.28
Aug 2024Sven Permian,30$76.68$1.99
Jul 2024Sven Permian,1460$81.80$2.07
Jun 2024Sven Permian,00$79.77$2.54
May 2024Sven Permian,00$80.02$2.12
Apr 2024Sven Permian,00$85.35$1.60
Mar 2024Sven Permian,00$81.28$1.49
Feb 2024Sven Permian,00$77.25$1.72
Jan 2024Sven Permian,00$74.15$3.18
Dec 2023Sven Permian,00$71.90$2.52
Nov 2023Sven Permian,00$77.69$2.71
Oct 2023Sven Permian,00$85.64$2.98
Sep 2023Sven Permian,00$89.43$2.64
Aug 2023Sven Permian,00$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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This lease belongs to

OperatorWillowick Production LLCFieldWolfbone (Trend Area)CountyPecos County

Willowick Production LLC in Pecos County

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Wolfbone (Trend Area) field

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