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Texas gas well

Producing

SOUTH CALLAGHAN RANCH

South Callaghan Ranch is a gas well in Webb County, Texas, operated by Aldine Oil and Gas, LP in the Big Cowboy (Lobo) field.

1 well

19,316mcf gas, last 12 months+79% vs prior year
Operator
Aldine Oil and Gas, LP
County
Webb County
Field
Big Cowboy (Lobo)
RRC lease
04-142543

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Where it sits

This county

Webb CountyWebbLa SalleDimmitWebb County
Webb County
Oil, last 12 months
114 bbl
Gas in Jul 2026
1,708 mcf

Production by month

Gas output rose 79% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output rose 79% over the last 12 monthsMonthly gas production and oil for SOUTH CALLAGHAN RANCH, Aug 2023 to Jul 2026. Gas output rose 79% over the last 12 months. 19,316 mcf in the 12 months through Jul 2026, against 10,776 mcf in the 12 months before.Last 12 months: 19,316 mcfmcf per monthbbl per month0050051,000101,500152,00020Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output rose 79% over the last 12 monthsMonthly gas production and oil for SOUTH CALLAGHAN RANCH, Aug 2023 to Jul 2026. Gas output rose 79% over the last 12 months. 19,316 mcf in the 12 months through Jul 2026, against 10,776 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month0050051,000101,500152,00020Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

94% of the gas went to a transmission line in the last 12 months

  • Transmission line (2)
  • Lease fuel (1)
94% of the gas went to a transmission line in the last 12 monthsShare of SOUTH CALLAGHAN RANCH gas by disposition code each month, Aug 2023 to Jul 2026. 94% of the gas went to a transmission line in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
94% of the gas went to a transmission line in the last 12 monthsShare of SOUTH CALLAGHAN RANCH gas by disposition code each month, Aug 2023 to Jul 2026. 94% of the gas went to a transmission line 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.

  • Transmission line (2)

    94% · 18,158 mcf

  • Lease fuel (1)

    6.0% · 1,158 mcf

Who has run this lease

The operator changed once, most recently in Mar 2023

Operators of this lease over timeWhite Oak Operating Company LLC, Jan 2020 to Feb 2023; Aldine Oil and Gas, LP, Mar 2023 to Jul 20262020202120222023202420252026Changed Mar 2023White Oak Operating Company L…Jan 2020 to Feb 2023Aldine Oil and Gas, LPMar 2023 to now
Operators of this lease over timeWhite Oak Operating Company LLC, Jan 2020 to Feb 2023; Aldine Oil and Gas, LP, Mar 2023 to Jul 20262020202120222023202420252026Changed Mar 2023White Oak Operating Company LLCJan 2020 to Feb 2023Aldine Oil and Gas, LPMar 2023 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on SOUTH CALLAGHAN RANCH
API numberWell no.Status
42-479-3546176Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Gulfmark Energy, Inc.CondensateGathers100Jan 1, 2018–
Aldine Oil and Gas, LPGas-well gasBuys100Mar 1, 2023–
Webb/Duval GatherersGas-well gasGathers100Nov 1, 2008–
White Oak Operating Company LLCGas-well gasBuys100Aug 1, 2014Mar 1, 2023

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

Who buys my oilOil price check

37,555.36 acres on the newest permit

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for South Callaghan Ranch
API numberWell no.Acreson the permit
42-479-354617637,555.36

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for SOUTH CALLAGHAN RANCH
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Aldine Oil1161,7081,5760$80.46$2.89
Jun 2026Aldine Oil10111,4651,3610$84.81$3.15
May 2026Aldine Oil10111,5751,4740$102.13$2.94
Apr 2026Aldine Oil10111,5531,4510$100.32$2.77
Mar 2026Aldine Oil12111,8801,7650$91.38$3.04
Feb 2026Aldine Oil9111,6011,4910$64.51$3.62
Jan 2026Aldine Oil12111,7511,6550$60.04$7.72
Dec 2025Aldine Oil7151,7331,6360$57.97$4.26
Nov 2025Aldine Oil251,6541,5570$60.06$3.79
Oct 2025Aldine Oil11131,5011,4200$60.89$3.19
Sep 2025Aldine Oil11101,6751,6000$63.96$2.97
Aug 2025Aldine Oil9131,2201,1720$64.86$2.91
Jul 2025Aldine Oil13111,7621,6910$68.39$3.20
Jun 2025Aldine Oil9101,7121,5470$68.17$3.02
May 2025Aldine Oil10101,8861,7210$62.17$3.12
Apr 2025Aldine Oil1091,8831,7190$63.54$3.42
Mar 2025Aldine Oil1181,8231,6640$68.24$4.12
Feb 2025Aldine Oil1061,7101,5490$71.53$4.19
Jan 2025Aldine Oil00000$75.74$4.13
Dec 2024Aldine Oil00000$70.12$3.01
Nov 2024Aldine Oil00000$69.95$2.12
Oct 2024Aldine Oil00000$71.99$2.20
Sep 2024Aldine Oil00000$70.24$2.28
Aug 2024Aldine Oil00000$76.68$1.99
Jul 2024Aldine Oil00000$81.80$2.07
Jun 2024Aldine Oil00000$79.77$2.54
May 2024Aldine Oil00000$80.02$2.12
Apr 2024Aldine Oil00000$85.35$1.60
Mar 2024Aldine Oil00000$81.28$1.49
Feb 2024Aldine Oil00000$77.25$1.72
Jan 2024Aldine Oil00000$74.15$3.18
Dec 2023Aldine Oil00000$71.90$2.52
Nov 2023Aldine Oil00000$77.69$2.71
Oct 2023Aldine Oil00000$85.64$2.98
Sep 2023Aldine Oil00000$89.43$2.64
Aug 2023Aldine Oil00000$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

OperatorAldine Oil and Gas, LPFieldBig Cowboy (Lobo)CountyWebb County

Aldine Oil and Gas, LP in Webb County

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Big Cowboy (Lobo) field

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