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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

6,643mcf gas, last 12 months−17% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Canyon)
RRC lease
7C-218251

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Where it sits

This county

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

Production by month

Gas output fell 17% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Last 12 months
Gas output fell 17% over the last 12 monthsMonthly gas production for MAYER 21, Aug 2023 to Jul 2026. Gas output fell 17% over the last 12 months. 6,043 mcf in the 12 months through Jul 2026, against 7,263 mcf in the 12 months before.Last 12 months: 6,043 mcfmcf per month0200400600800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 17% over the last 12 monthsMonthly gas production for MAYER 21, Aug 2023 to Jul 2026. Gas output fell 17% over the last 12 months. 6,043 mcf in the 12 months through Jul 2026, against 7,263 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)

    89% · 5,880 mcf

  • Lease fuel (1)

    11% · 763 mcf

1 well on this lease

Wells on MAYER 21
API numberWell no.Status
42-435-3759714Active

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 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
42-435-3759714507.93

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 20265204960$84.81$3.15
May 20265405210$102.13$2.94
Apr 20265415200$100.32$2.77
Mar 20265635400$91.38$3.04
Feb 20265064870$64.51$3.62
Jan 202652300$60.04$7.72
Dec 20255585380$57.97$4.26
Nov 20255585360$60.06$3.79
Oct 20255765530$60.89$3.19
Sep 20255595370$63.96$2.97
Aug 20255995750$64.86$2.91
Jul 20256005770$68.39$3.20
Jun 20255745500$68.17$3.02
May 20255975700$62.17$3.12
Apr 20255745490$63.54$3.42
Mar 20255965710$68.24$4.12
Feb 20255605360$71.53$4.19
Jan 20256245980$75.74$4.13
Dec 20246386120$70.12$3.01
Nov 20246235950$69.95$2.12
Oct 20246346070$71.99$2.20
Sep 20246125870$70.24$2.28
Aug 20246316000$76.68$1.99
Jul 20246356070$81.80$2.07
Jun 20246195910$79.77$2.54
May 20246496150$80.02$2.12
Apr 20246356350$85.35$1.60
Mar 20246626620$81.28$1.49
Feb 20244884880$77.25$1.72
Jan 20244944940$74.15$3.18
Dec 20235395390$71.90$2.52
Nov 20235465460$77.69$2.71
Oct 20234914910$85.64$2.98
Sep 20235555550$89.43$2.64
Aug 20235875710$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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