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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

6,077mcf gas, last 12 months−23% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Canyon)
RRC lease
7C-218246

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Where it sits

This county

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

Production by month

Gas output fell 23% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Last 12 months
Gas output fell 23% over the last 12 monthsMonthly gas production for MAYER 21, Aug 2023 to Jul 2026. Gas output fell 23% over the last 12 months. 5,446 mcf in the 12 months through Jul 2026, against 7,067 mcf in the 12 months before.Last 12 months: 5,446 mcfmcf per month0200400600800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 23% over the last 12 monthsMonthly gas production for MAYER 21, Aug 2023 to Jul 2026. Gas output fell 23% over the last 12 months. 5,446 mcf in the 12 months through Jul 2026, against 7,067 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

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)

    87% · 5,306 mcf

  • Lease fuel (1)

    13% · 771 mcf

1 well on this lease

Wells on MAYER 21
API numberWell no.Status
42-435-3761116Active

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
42-435-3761116507.93

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 20263833660$84.81$3.15
May 20264143990$102.13$2.94
Apr 20264324150$100.32$2.77
Mar 20264524340$91.38$3.04
Feb 20264023870$64.51$3.62
Jan 202655500$60.04$7.72
Dec 20254954770$57.97$4.26
Nov 20255265050$60.06$3.79
Oct 20255815580$60.89$3.19
Sep 20255795560$63.96$2.97
Aug 20256276020$64.86$2.91
Jul 20256316070$68.39$3.20
Jun 20255655410$68.17$3.02
May 20255905630$62.17$3.12
Apr 20255885620$63.54$3.42
Mar 20255735490$68.24$4.12
Feb 20255114890$71.53$4.19
Jan 20255645400$75.74$4.13
Dec 20245715480$70.12$3.01
Nov 20245214980$69.95$2.12
Oct 20246456180$71.99$2.20
Sep 20246476210$70.24$2.28
Aug 20246616290$76.68$1.99
Jul 20246656350$81.80$2.07
Jun 20246586290$79.77$2.54
May 20246626270$80.02$2.12
Apr 20246676670$85.35$1.60
Mar 20247467460$81.28$1.49
Feb 20246386380$77.25$1.72
Jan 20246916910$74.15$3.18
Dec 20236796790$71.90$2.52
Nov 20236776770$77.69$2.71
Oct 20236876870$85.64$2.98
Sep 20236766760$89.43$2.64
Aug 20236836640$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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