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SOUTH CALLAGHAN RANCH

South Callaghan Ranch is a gas well in Webb County, Texas, operated by Aldine Oil and Gas, LP in the Brettchance (Lobo 1) field.

1 well

421mcf gas, last 12 months−21% vs prior year
Operator
Aldine Oil and Gas, LP
County
Webb County
Field
Brettchance (Lobo 1)
RRC lease
04-222833

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Where it sits

This county

Webb CountyWebbLa SalleDimmitWebb County
Webb County
Oil, last 12 months
3 bbl
Gas in Jul 2026
23 mcf

Checks stopped on this lease?

  • Sales

    Sales over the last 3 months fell to 24% of the 9 months before.

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

See why checks stop on this lease

Production by month

Gas output fell 21% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 21% over the last 12 monthsMonthly gas production and oil for SOUTH CALLAGHAN RANCH, Aug 2023 to Jul 2026. Gas output fell 21% over the last 12 months. 421 mcf in the 12 months through Jul 2026, against 535 mcf in the 12 months before.Last 12 months: 421 mcfmcf per monthbbl per month005011001150220022503Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 21% over the last 12 monthsMonthly gas production and oil for SOUTH CALLAGHAN RANCH, Aug 2023 to Jul 2026. Gas output fell 21% over the last 12 months. 421 mcf in the 12 months through Jul 2026, against 535 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month005011001150220022503Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

90% of the gas went to a transmission line in the last 12 months

  • Transmission line (2)
  • Lease fuel (1)
90% 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. 90% 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
90% 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. 90% 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)

    90% · 377 mcf

  • Lease fuel (1)

    10% · 44 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
42-479-39528237Active

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 gasGathers100Sep 14, 2006–
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

39,636 acres on the newest permit

Check your decimal on this lease
Permits for South Callaghan Ranch
API numberWell no.Acreson the permit
42-479-3952823739,636

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

Unit decimal checker

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36 months, newest first

Ledger for SOUTH CALLAGHAN RANCH
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Aldine Oil0023200$80.46$2.89
Jun 2026Aldine Oil00540$84.81$3.15
May 2026Aldine Oil00540$102.13$2.94
Apr 2026Aldine Oil1024220$100.32$2.77
Mar 2026Aldine Oil0039350$91.38$3.04
Feb 2026Aldine Oil0015130$64.51$3.62
Jan 2026Aldine Oil0132290$60.04$7.72
Dec 2025Aldine Oil2080720$57.97$4.26
Nov 2025Aldine Oil0156510$60.06$3.79
Oct 2025Aldine Oil0048420$60.89$3.19
Sep 2025Aldine Oil0034310$63.96$2.97
Aug 2025Aldine Oil0060540$64.86$2.91
Jul 2025Aldine Oil0014120$68.39$3.20
Jun 2025Aldine Oil0038360$68.17$3.02
May 2025Aldine Oil0033310$62.17$3.12
Apr 2025Aldine Oil0040370$63.54$3.42
Mar 2025Aldine Oil11100940$68.24$4.12
Feb 2025Aldine Oil0087810$71.53$4.19
Jan 2025Aldine Oil0039360$75.74$4.13
Dec 2024Aldine Oil0033310$70.12$3.01
Nov 2024Aldine Oil0015140$69.95$2.12
Oct 2024Aldine Oil0036330$71.99$2.20
Sep 2024Aldine Oil0047430$70.24$2.28
Aug 2024Aldine Oil0053480$76.68$1.99
Jul 2024Aldine Oil0011100$81.80$2.07
Jun 2024Aldine Oil01104980$79.77$2.54
May 2024Aldine Oil11104980$80.02$2.12
Apr 2024Aldine Oil0014130$85.35$1.60
Mar 2024Aldine Oil111071000$81.28$1.49
Feb 2024Aldine Oil111091020$77.25$1.72
Jan 2024Aldine Oil211171090$74.15$3.18
Dec 2023Aldine Oil111311220$71.90$2.52
Nov 2023Aldine Oil101691530$77.69$2.71
Oct 2023Aldine Oil1167620$85.64$2.98
Sep 2023Aldine Oil101651550$89.43$2.64
Aug 2023Aldine Oil102061900$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, LPFieldBrettchance (Lobo 1)CountyWebb County

Aldine Oil and Gas, LP in Webb County

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Brettchance (Lobo 1) field

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