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Royalty Clerk

Texas gas well

Producing

MAYER 21

Mayer 21 is a gas well in Sutton County, Texas, operated by Upp Operating, LLC in the Sawyer (Canyon) field.

1 well

4,341mcf gas, last 12 months−11% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Canyon)
RRC lease
7C-220526

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Where it sits

This county

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

Production by month

Gas output fell 11% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Last 12 months
Gas output fell 11% over the last 12 monthsMonthly gas production for MAYER 21, Aug 2023 to Jul 2026. Gas output fell 11% over the last 12 months. 3,963 mcf in the 12 months through Jul 2026, against 4,471 mcf in the 12 months before.Last 12 months: 3,963 mcfmcf per month0100200300400500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 11% over the last 12 monthsMonthly gas production for MAYER 21, Aug 2023 to Jul 2026. Gas output fell 11% over the last 12 months. 3,963 mcf in the 12 months through Jul 2026, against 4,471 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

Since Feb 2026 the lease's gas goes to a processing plant instead of lease fuel

  • Processing plant (3)
  • Transmission line (2)
  • Lease fuel (1)
Since Feb 2026 the lease's gas goes to a processing plant instead of lease fuelShare of MAYER 21 gas by disposition code each month, Aug 2023 to Jul 2026. Since Feb 2026 the lease's gas goes to a processing plant instead of lease fuel.Share of the lease’s gas by disposition code, per month0%50%100%Feb 2026: fuel to plantOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Feb 2026 the lease's gas goes to a processing plant instead of lease fuelShare of MAYER 21 gas by disposition code each month, Aug 2023 to Jul 2026. Since Feb 2026 the lease's gas goes to a processing plant instead of lease fuel.Share of gas by disposition code0%50%100%Feb 26: fuel to plantJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    88% · 3,839 mcf

  • Lease fuel (1)

    12% · 502 mcf

1 well on this lease

Wells on MAYER 21
API numberWell no.Status
42-435-3761215Active

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 LLCGas-well gasGathers100Feb 1, 2008

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

Who buys my oilOil price check

507.93 acres on the newest permit

  • Worth asking

    A substandard-acreage flag is in the permit records

    The RRC permit records include a substandard-acreage flag. Ask which acreage applies to your well and how it was used in your decimal.

  • 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 Mayer 21
API numberWell no.Acreson the permit
42-435-3761215507.93

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for MAYER 21
MonthGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026No report filed–––$80.46$2.89
Jun 20263483320$84.81$3.15
May 20263703570$102.13$2.94
Apr 20263573430$100.32$2.77
Mar 20263743590$91.38$3.04
Feb 20263333210$64.51$3.62
Jan 202634600$60.04$7.72
Dec 20253663530$57.97$4.26
Nov 20253623480$60.06$3.79
Oct 20253753600$60.89$3.19
Sep 20253573430$63.96$2.97
Aug 20253753600$64.86$2.91
Jul 20253783630$68.39$3.20
Jun 20253623470$68.17$3.02
May 20253743570$62.17$3.12
Apr 20253583420$63.54$3.42
Mar 20253683530$68.24$4.12
Feb 20253473320$71.53$4.19
Jan 20253803640$75.74$4.13
Dec 20243873710$70.12$3.01
Nov 20243773600$69.95$2.12
Oct 20243853690$71.99$2.20
Sep 20243713560$70.24$2.28
Aug 20243843650$76.68$1.99
Jul 20243843670$81.80$2.07
Jun 20243723550$79.77$2.54
May 20244033820$80.02$2.12
Apr 20243913910$85.35$1.60
Mar 20244094090$81.28$1.49
Feb 20243853850$77.25$1.72
Jan 20244074070$74.15$3.18
Dec 20234124120$71.90$2.52
Nov 20234004000$77.69$2.71
Oct 20234134130$85.64$2.98
Sep 20233933930$89.43$2.64
Aug 20234134020$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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