Skip to content
Royalty Clerk

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

918mcf gas, last 12 months+164% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Canyon)
RRC lease
7C-222763

Is your check right?

Check my statement

Where it sits

This county

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

Production by month

Gas output rose 164% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Last 12 months
Gas output rose 164% over the last 12 monthsMonthly gas production for CAUTHORN, MACK 129, Aug 2023 to Jul 2026. Gas output rose 164% over the last 12 months. 841 mcf in the 12 months through Jul 2026, against 318 mcf in the 12 months before.Last 12 months: 841 mcfmcf per month020406080Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output rose 164% over the last 12 monthsMonthly gas production for CAUTHORN, MACK 129, Aug 2023 to Jul 2026. Gas output rose 164% over the last 12 months. 841 mcf in the 12 months through Jul 2026, against 318 mcf in the 12 months before.Last 12 monthsmcf per month020406080Jan 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
42-435-3798913Active

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).

Who buys my oilOil price check

640 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 Cauthorn, Mack 129
API numberWell no.Acreson the permit
42-435-3798913640

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

Unit decimal checker

Estimate your royalty

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 202679790$84.81$3.15
May 202673730$102.13$2.94
Apr 202671710$100.32$2.77
Mar 202677770$91.38$3.04
Feb 202672720$64.51$3.62
Jan 202678780$60.04$7.72
Dec 202578780$57.97$4.26
Nov 202576760$60.06$3.79
Oct 202580800$60.89$3.19
Sep 202577770$63.96$2.97
Aug 202580800$64.86$2.91
Jul 202577770$68.39$3.20
Jun 202576760$68.17$3.02
May 202577770$62.17$3.12
Apr 202565650$63.54$3.42
Mar 202521210$68.24$4.12
Feb 2025000$71.53$4.19
Jan 2025000$75.74$4.13
Dec 2024110$70.12$3.01
Nov 2024000$69.95$2.12
Oct 2024000$71.99$2.20
Sep 2024000$70.24$2.28
Aug 2024110$76.68$1.99
Jul 2024220$81.80$2.07
Jun 2024220$79.77$2.54
May 2024220$80.02$2.12
Apr 2024110$85.35$1.60
Mar 2024220$81.28$1.49
Feb 2024110$77.25$1.72
Jan 2024220$74.15$3.18
Dec 2023110$71.90$2.52
Nov 2023110$77.69$2.71
Oct 2023220$85.64$2.98
Sep 2023220$89.43$2.64
Aug 2023330$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.

How to check your stub against this lease Checks stopped on this lease? See the likely reasons

Do your checks match this lease?

Check my statement

Nearby

This lease belongs to

OperatorUpp Operating, LLCFieldSawyer (Canyon)CountySutton County

Upp Operating, LLC in Sutton County

All Upp Operating, LLC leases →

Sawyer (Canyon) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km