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Texas gas well

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

3,816mcf gas, last 12 months−9% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Canyon)
RRC lease
7C-210802

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Where it sits

This county

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

Production by month

Gas output fell 9% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Last 12 months
Gas output fell 9% over the last 12 monthsMonthly gas production for CAUTHORN, MACK 129, Aug 2023 to Jul 2026. Gas output fell 9% over the last 12 months. 3,489 mcf in the 12 months through Jul 2026, against 3,826 mcf in the 12 months before.Last 12 months: 3,489 mcfmcf per month0100200300400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 9% over the last 12 monthsMonthly gas production for CAUTHORN, MACK 129, Aug 2023 to Jul 2026. Gas output fell 9% over the last 12 months. 3,489 mcf in the 12 months through Jul 2026, against 3,826 mcf in the 12 months before.Last 12 monthsmcf per month0100200300400Jan 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
42-435-3709516Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Shell Trading (Us) CompanyCondensateGathers100Jun 1, 2010
Enervest Operating, L.l.c.Gas-well gasBuys100Sep 1, 2015
Clearwater Pipeline Company LLCGas-well gasGathers100Mar 1, 2010

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

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640 acres on the newest permit

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Permits for Cauthorn, Mack 129
API numberWell no.Acreson the permit
42-435-3709516640

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 20263223220$84.81$3.15
May 20263173170$102.13$2.94
Apr 20262902900$100.32$2.77
Mar 20263293290$91.38$3.04
Feb 20262992990$64.51$3.62
Jan 20263143140$60.04$7.72
Dec 20253283280$57.97$4.26
Nov 20253173170$60.06$3.79
Oct 20253283280$60.89$3.19
Sep 20253183180$63.96$2.97
Aug 20253273270$64.86$2.91
Jul 20253273270$68.39$3.20
Jun 20253143140$68.17$3.02
May 20253243240$62.17$3.12
Apr 20253153150$63.54$3.42
Mar 20253243240$68.24$4.12
Feb 20252862860$71.53$4.19
Jan 20253223220$75.74$4.13
Dec 20243273270$70.12$3.01
Nov 20243163160$69.95$2.12
Oct 20243283280$71.99$2.20
Sep 20243163160$70.24$2.28
Aug 20243273270$76.68$1.99
Jul 20243283280$81.80$2.07
Jun 20243173170$79.77$2.54
May 20243293290$80.02$2.12
Apr 20243193190$85.35$1.60
Mar 20243353350$81.28$1.49
Feb 20243133130$77.25$1.72
Jan 20243273270$74.15$3.18
Dec 20233363360$71.90$2.52
Nov 20233263260$77.69$2.71
Oct 20233393390$85.64$2.98
Sep 20233293290$89.43$2.64
Aug 20233403400$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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