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Texas gas well

Producing

STAR MAHAFFEY

Star Mahaffey is a gas well in Sterling County, Texas, operated by Burk Royalty Co., Ltd. in the Conger (Penn) field.

Gas well dossier

3,432mcf gas, last 12 months−14% vs prior year
Operator
Burk Royalty Co., Ltd.
County
Sterling County
Field
Conger (Penn)
RRC lease
08-268425

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Where it sits

This county

Sterling CountySterlingTom GreenMitchellNolanGlasscockHowardCokeSterling County
Sterling County
Oil, last 12 months
30 bbl
Gas in Jul 2026
320 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 fell 14% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 14% over the last 12 monthsMonthly gas production and oil for STAR MAHAFFEY, Aug 2023 to Jul 2026. Gas output fell 14% over the last 12 months. 3,432 mcf in the 12 months through Jul 2026, against 3,979 mcf in the 12 months before.Last 12 months: 3,432 mcfmcf per monthbbl per month00100520010300154002050025Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 14% over the last 12 monthsMonthly gas production and oil for STAR MAHAFFEY, Aug 2023 to Jul 2026. Gas output fell 14% over the last 12 months. 3,432 mcf in the 12 months through Jul 2026, against 3,979 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month00100520010300154002050025Jan 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 STAR MAHAFFEY 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 STAR MAHAFFEY 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.

Wells on this lease

No wells are linked to this lease in our data

Production is still reported at lease level.

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).

Who buys my oilOil price check

240 acres on the newest permit

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Permits for Star Mahaffey
API numberWell no.Acreson the permit
42-431-316162240

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for STAR MAHAFFEY
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Burk Royalty203203200$80.46$2.89
Jun 2026Burk Royalty102632630$84.81$3.15
May 2026Burk Royalty003163160$102.13$2.94
Apr 2026Burk Royalty002522520$100.32$2.77
Mar 2026Burk Royalty16463033030$91.38$3.04
Feb 2026Burk Royalty202792790$64.51$3.62
Jan 2026Burk Royalty203113110$60.04$7.72
Dec 2025Burk Royalty003303300$57.97$4.26
Nov 2025Burk Royalty103523520$60.06$3.79
Oct 2025Burk Royalty003163160$60.89$3.19
Sep 2025Burk Royalty201621620$63.96$2.97
Aug 2025Burk Royalty402282280$64.86$2.91
Jul 2025Burk Royalty402962960$68.39$3.20
Jun 2025Burk Royalty303063060$68.17$3.02
May 2025Burk Royalty503233230$62.17$3.12
Apr 2025Burk Royalty103443440$63.54$3.42
Mar 2025Burk Royalty203103100$68.24$4.12
Feb 2025Burk Royalty403073070$71.53$4.19
Jan 2025Burk Royalty2683663660$75.74$4.13
Dec 2024Burk Royalty1103573570$70.12$3.01
Nov 2024Burk Royalty103963960$69.95$2.12
Oct 2024Burk Royalty203373370$71.99$2.20
Sep 2024Burk Royalty102762760$70.24$2.28
Aug 2024Burk Royalty203613610$76.68$1.99
Jul 2024Burk Royalty104474470$81.80$2.07
Jun 2024Burk Royalty203483480$79.77$2.54
May 2024Burk Royalty204624620$80.02$2.12
Apr 2024Burk Royalty101221220$85.35$1.60
Mar 2024Burk Royalty303393390$81.28$1.49
Feb 2024Burk Royalty403223220$77.25$1.72
Jan 2024Burk Royalty203373370$74.15$3.18
Dec 2023Burk Royalty903413410$71.90$2.52
Nov 2023Burk Royalty1303353350$77.69$2.71
Oct 2023Burk Royalty503583580$85.64$2.98
Sep 2023Burk Royalty103743740$89.43$2.64
Aug 2023Burk Royalty203813810$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

OperatorBurk Royalty Co., Ltd.FieldConger (Penn)CountySterling County

Burk Royalty Co., Ltd. in Sterling County

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Conger (Penn) field

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