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Texas gas well

Producing

MAHAFFEY ESTATE

Mahaffey Estate is a gas well in Sterling County, Texas, operated by Burk Royalty Co., Ltd. in the Deck (Cisco) field.

1 well

10,533mcf gas, last 12 months+26% vs prior year
RRC lease
08-217634

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Where it sits

This county

Sterling CountySterlingTom GreenMitchellNolanGlasscockHowardCokeSterling County
Sterling County
Oil, last 12 months
176 bbl
Gas in Jul 2026
865 mcf

Checks stopped on this lease?

  • Buyer

    Buyer changed: TARGA PIPELINE MID-CONTINENT LLC replaced SLANT OPERATING, LLC as the buyer of this lease's gas from gas wells on Mar 1, 2026.

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

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Production by month

Gas output rose 26% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output rose 26% over the last 12 monthsMonthly gas production and oil for MAHAFFEY ESTATE, Aug 2023 to Jul 2026. Gas output rose 26% over the last 12 months. 10,533 mcf in the 12 months through Jul 2026, against 8,327 mcf in the 12 months before.Last 12 months: 10,533 mcfmcf per monthbbl per month00250505001007501501,0002001,250250Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output rose 26% over the last 12 monthsMonthly gas production and oil for MAHAFFEY ESTATE, Aug 2023 to Jul 2026. Gas output rose 26% over the last 12 months. 10,533 mcf in the 12 months through Jul 2026, against 8,327 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month00250505001007501501,0002001,250250Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to a processing plant in the last 12 months

All of the gas went to a processing plant in the last 12 monthsShare of MAHAFFEY ESTATE gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to a processing plant in the last 12 monthsShare of MAHAFFEY ESTATE gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Who has run this lease

The operator changed 2 times, most recently in Jan 2022

Operators of this lease over timeStanolind Production LLC, Jan 2020 to Dec 2020; Slant Operating, LLC, Jan 2021 to Dec 2021; Burk Royalty Co., Ltd., Jan 2022 to Jul 20262020202120222023202420252026Changed Jan 2021Changed Jan 2022Stanolind Production LLCJan 2020 to Dec 2020Slant Operating, LLCJan 2021 to Dec 2021Burk Royalty Co., Ltd.Jan 2022 to now
Operators of this lease over timeStanolind Production LLC, Jan 2020 to Dec 2020; Slant Operating, LLC, Jan 2021 to Dec 2021; Burk Royalty Co., Ltd., Jan 2022 to Jul 20262020202120222023202420252026Changed Jan 2021Changed Jan 2022Stanolind Production LLCJan 2020 to Dec 2020Slant Operating, LLCJan 2021 to Dec 2021Burk Royalty Co., Ltd.Jan 2022 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on MAHAFFEY ESTATE
API numberWell no.Status
42-431-306341Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Bml, Inc. BCondensateGathers100Mar 1, 2026–
Targa Pipeline Mid-Continent LLCGas-well gasBuys100Mar 1, 2026–
Targa Pipeline Mid-Continent LLCGas-well gasGathers100Mar 1, 2026–
Plains Marketing, L.p.CondensateGathers100Nov 1, 2020Mar 1, 2026
Slant Operating, LLCGas-well gasGathers100Jan 1, 2021Mar 1, 2026
Slant Operating, LLCGas-well gasBuys100Jan 1, 2021Mar 1, 2026
Stanolind Production LLCGas-well gasGathers100Aug 1, 2018Jan 1, 2021
Stanolind Production LLCGas-well gasBuys100Nov 1, 2018Jan 1, 2021
Rio Energy International, Inc.CondensateGathers100Jul 1, 2020Nov 1, 2020

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

320 acres on the newest permit

Permits for Mahaffey Estate
API numberWell no.Acreson the permit
42-431-306341320

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

Estimate your royalty

36 months, newest first

Ledger for MAHAFFEY ESTATE
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Burk Royalty908658650$80.46$2.89
Jun 2026Burk Royalty301,0151,0150$84.81$3.15
May 2026Burk Royalty509749740$102.13$2.94
Apr 2026Burk Royalty008298290$100.32$2.77
Mar 2026Burk Royalty1281449789780$91.38$3.04
Feb 2026Burk Royalty409379370$64.51$3.62
Jan 2026Burk Royalty701,0851,0850$60.04$7.72
Dec 2025Burk Royalty201,0741,0740$57.97$4.26
Nov 2025Burk Royalty106546540$60.06$3.79
Oct 2025Burk Royalty106156150$60.89$3.19
Sep 2025Burk Royalty508778770$63.96$2.97
Aug 2025Burk Royalty1106306300$64.86$2.91
Jul 2025Burk Royalty606406400$68.39$3.20
Jun 2025Burk Royalty101236486480$68.17$3.02
May 2025Burk Royalty2307307300$62.17$3.12
Apr 2025Burk Royalty4007177170$63.54$3.42
Mar 2025Burk Royalty908728720$68.24$4.12
Feb 2025Burk Royalty1907797790$71.53$4.19
Jan 2025Burk Royalty1305785780$75.74$4.13
Dec 2024Burk Royalty371367637630$70.12$3.01
Nov 2024Burk Royalty2508348340$69.95$2.12
Oct 2024Burk Royalty2304654650$71.99$2.20
Sep 2024Burk Royalty505275270$70.24$2.28
Aug 2024Burk Royalty2207747740$76.68$1.99
Jul 2024Burk Royalty1607537530$81.80$2.07
Jun 2024Burk Royalty1708018010$79.77$2.54
May 2024Burk Royalty9838668660$80.02$2.12
Apr 2024Burk Royalty2802722720$85.35$1.60
Mar 2024Burk Royalty1107437430$81.28$1.49
Feb 2024Burk Royalty2807977970$77.25$1.72
Jan 2024Burk Royalty303623620$74.15$3.18
Dec 2023Burk Royalty00000$71.90$2.52
Nov 2023Burk Royalty103233230$77.69$2.71
Oct 2023Burk Royalty10905975970$85.64$2.98
Sep 2023Burk Royalty1206356350$89.43$2.64
Aug 2023Burk Royalty5806586580$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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Nearby

Burk Royalty Co., Ltd. in Sterling County

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