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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

4,985mcf gas, last 12 months−16% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Canyon)
RRC lease
7C-211999

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Where it sits

This county

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

Production by month

Gas output fell 16% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Last 12 months
Gas output fell 16% over the last 12 monthsMonthly gas production for CAUTHORN, MACK 129, Aug 2023 to Jul 2026. Gas output fell 16% over the last 12 months. 4,541 mcf in the 12 months through Jul 2026, against 5,391 mcf in the 12 months before.Last 12 months: 4,541 mcfmcf per month0100200300400500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 16% over the last 12 monthsMonthly gas production for CAUTHORN, MACK 129, Aug 2023 to Jul 2026. Gas output fell 16% over the last 12 months. 4,541 mcf in the 12 months through Jul 2026, against 5,391 mcf in the 12 months before.Last 12 monthsmcf per month0100200300400500Jan 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
42-435-3728612Active

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
42-435-3728612640

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 20264084080$84.81$3.15
May 20263783780$102.13$2.94
Apr 20263763760$100.32$2.77
Mar 20264264260$91.38$3.04
Feb 20263933930$64.51$3.62
Jan 20263823820$60.04$7.72
Dec 20254354350$57.97$4.26
Nov 20254274270$60.06$3.79
Oct 20254434430$60.89$3.19
Sep 20254294290$63.96$2.97
Aug 20254444440$64.86$2.91
Jul 20254444440$68.39$3.20
Jun 20254344340$68.17$3.02
May 20254494490$62.17$3.12
Apr 20254394390$63.54$3.42
Mar 20254584580$68.24$4.12
Feb 20254224220$71.53$4.19
Jan 20254704700$75.74$4.13
Dec 20244634630$70.12$3.01
Nov 20244504500$69.95$2.12
Oct 20244624620$71.99$2.20
Sep 20244454450$70.24$2.28
Aug 20244554550$76.68$1.99
Jul 20244544540$81.80$2.07
Jun 20244364360$79.77$2.54
May 20244484480$80.02$2.12
Apr 20244324320$85.35$1.60
Mar 20244494490$81.28$1.49
Feb 20244264260$77.25$1.72
Jan 20244564560$74.15$3.18
Dec 20234564560$71.90$2.52
Nov 20234464460$77.69$2.71
Oct 20234584580$85.64$2.98
Sep 20234404400$89.43$2.64
Aug 20234554550$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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Nearby

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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