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Producing

CAUTHORN, MACK "129"

Cauthorn, Mack "129" is a gas well in Sutton County, Texas, operated by Upp Operating, LLC in the Sawyer (Canyon) field.

1 well

4,023mcf gas, last 12 months+71% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Canyon)
RRC lease
7C-102666

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Where it sits

This county

Sutton CountySuttonSchleicherMenardSutton County
Sutton County
Gas in Jun 2026
326 mcf
Reporting since
Jan 2020

Production by month

Gas output rose 71% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Last 12 months
Gas output rose 71% over the last 12 monthsMonthly gas production for CAUTHORN, MACK "129", Aug 2023 to Jul 2026. Gas output rose 71% over the last 12 months. 3,633 mcf in the 12 months through Jul 2026, against 2,122 mcf in the 12 months before.Last 12 months: 3,633 mcfmcf per month0200400600800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output rose 71% over the last 12 monthsMonthly gas production for CAUTHORN, MACK "129", Aug 2023 to Jul 2026. Gas output rose 71% over the last 12 months. 3,633 mcf in the 12 months through Jul 2026, against 2,122 mcf in the 12 months before.Last 12 monthsmcf per month0200400600800Jan 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 CAUTHORN, MACK "129" 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 CAUTHORN, MACK "129" 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.

1 well on this lease

Wells on CAUTHORN, MACK "129"
API numberWell no.Status
42-435-328121295Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Enervest Operating, L.l.c.Gas-well gasBuys100Sep 1, 2015
Stonewater Pipeline Company LLCFull well streamGathers100Feb 1, 2008

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

Who buys my oilOil price check

2,560 acres on the newest permit

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Permits for Cauthorn, Mack "129"
API numberWell no.Acreson the permit
42-435-3281212952,560

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

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36 months, newest first

Ledger for CAUTHORN, MACK "129"
MonthGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026No report filed–––$80.46$2.89
Jun 20263263260$84.81$3.15
May 20263443440$102.13$2.94
Apr 20263073070$100.32$2.77
Mar 20263243240$91.38$3.04
Feb 20263013010$64.51$3.62
Jan 20263443440$60.04$7.72
Dec 20253653650$57.97$4.26
Nov 20252652650$60.06$3.79
Oct 20253393390$60.89$3.19
Sep 20253463460$63.96$2.97
Aug 20253723720$64.86$2.91
Jul 20253903900$68.39$3.20
Jun 20254054050$68.17$3.02
May 20254864860$62.17$3.12
Apr 20256476470$63.54$3.42
Mar 20251641640$68.24$4.12
Feb 2025880$71.53$4.19
Jan 2025440$75.74$4.13
Dec 2024550$70.12$3.01
Nov 2024330$69.95$2.12
Oct 2024660$71.99$2.20
Sep 2024440$70.24$2.28
Aug 2024000$76.68$1.99
Jul 2024000$81.80$2.07
Jun 2024000$79.77$2.54
May 2024000$80.02$2.12
Apr 2024000$85.35$1.60
Mar 2024000$81.28$1.49
Feb 2024000$77.25$1.72
Jan 2024000$74.15$3.18
Dec 2023000$71.90$2.52
Nov 2023000$77.69$2.71
Oct 2023000$85.64$2.98
Sep 2023000$89.43$2.64
Aug 2023000$81.39$2.58

No report filed

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

OperatorUpp Operating, LLCFieldSawyer (Canyon)CountySutton County

Upp Operating, LLC in Sutton County

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Sawyer (Canyon) field

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