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Texas gas well

Producing

MAYFIELD 40

Mayfield 40 is a gas well in Sutton County, Texas, operated by Upp Operating, LLC in the Sawyer (Canyon) field.

1 well

3,097mcf gas, last 12 months−6% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Canyon)
RRC lease
7C-230304

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Where it sits

This county

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

Production by month

Gas output fell 6% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Last 12 months
Gas output fell 6% over the last 12 monthsMonthly gas production for MAYFIELD 40, Aug 2023 to Jul 2026. Gas output fell 6% over the last 12 months. 2,834 mcf in the 12 months through Jul 2026, against 3,029 mcf in the 12 months before.Last 12 months: 2,834 mcfmcf per month0100200300400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 6% over the last 12 monthsMonthly gas production for MAYFIELD 40, Aug 2023 to Jul 2026. Gas output fell 6% over the last 12 months. 2,834 mcf in the 12 months through Jul 2026, against 3,029 mcf in the 12 months before.Last 12 monthsmcf per month0100200300400Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

79% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
79% of the gas went to a processing plant in the last 12 monthsShare of MAYFIELD 40 gas by disposition code each month, Aug 2023 to Jul 2026. 79% 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
79% of the gas went to a processing plant in the last 12 monthsShare of MAYFIELD 40 gas by disposition code each month, Aug 2023 to Jul 2026. 79% 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.

  • Processing plant (3)

    79% · 2,459 mcf

  • Lease fuel (1)

    21% · 638 mcf

1 well on this lease

Wells on MAYFIELD 40
API numberWell no.Status
42-435-3746719DActive

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 gasGathers100Oct 2, 2005

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

Who buys my oilOil price check

1,280 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 Mayfield 40
API numberWell no.Acreson the permit
42-435-3746719D1,280

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for MAYFIELD 40
MonthGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026No report filed–––$80.46$2.89
Jun 20262572040$84.81$3.15
May 20262682150$102.13$2.94
Apr 20262561980$100.32$2.77
Mar 20262662120$91.38$3.04
Feb 20262351950$64.51$3.62
Jan 20262582000$60.04$7.72
Dec 20252562060$57.97$4.26
Nov 20252541980$60.06$3.79
Oct 20252592050$60.89$3.19
Sep 20252572080$63.96$2.97
Aug 20252682160$64.86$2.91
Jul 20252632020$68.39$3.20
Jun 20252562060$68.17$3.02
May 20252612200$62.17$3.12
Apr 20252542130$63.54$3.42
Mar 20252552190$68.24$4.12
Feb 20252321970$71.53$4.19
Jan 20252582230$75.74$4.13
Dec 20242582250$70.12$3.01
Nov 20242452130$69.95$2.12
Oct 20242562170$71.99$2.20
Sep 20242432100$70.24$2.28
Aug 20242482120$76.68$1.99
Jul 20242402020$81.80$2.07
Jun 20242261920$79.77$2.54
May 20242362010$80.02$2.12
Apr 20242372030$85.35$1.60
Mar 20242502190$81.28$1.49
Feb 20242402160$77.25$1.72
Jan 20242582320$74.15$3.18
Dec 20232612380$71.90$2.52
Nov 20232472120$77.69$2.71
Oct 20232602330$85.64$2.98
Sep 20232512220$89.43$2.64
Aug 20232592300$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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