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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

12,059mcf gas, last 12 months−14% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Canyon)
RRC lease
7C-212115

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Where it sits

This county

Sutton CountySuttonSchleicherMenardSutton County
Sutton County
Oil, last 12 months
62 bbl
Gas in Jun 2026
1,022 mcf

Production by month

Gas output fell 14% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 14% over the last 12 monthsMonthly gas production and oil for MAYFIELD 40, Aug 2023 to Jul 2026. Gas output fell 14% over the last 12 months. 10,951 mcf in the 12 months through Jul 2026, against 12,764 mcf in the 12 months before.Last 12 months: 10,951 mcfmcf per monthbbl per month002501050020750301,000401,25050Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 14% over the last 12 monthsMonthly gas production and oil for MAYFIELD 40, Aug 2023 to Jul 2026. Gas output fell 14% over the last 12 months. 10,951 mcf in the 12 months through Jul 2026, against 12,764 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002501050020750301,000401,25050Jan 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% · 9,570 mcf

  • Lease fuel (1)

    21% · 2,489 mcf

1 well on this lease

Wells on MAYFIELD 40
API numberWell no.Status
42-435-372137Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Enterprise Hydrocarbons, L.p.Gas-well gasBuys100May 23, 2005
Stonewater Pipeline Company LLCGas-well gasGathers100Feb 1, 2008

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 Mayfield 40
API numberWell no.Acreson the permit
42-435-372137640

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
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026No report filed–––––$80.46$2.89
Jun 2026001,0228120$84.81$3.15
May 2026001,0268250$102.13$2.94
Apr 2026009987730$100.32$2.77
Mar 202627617666110$91.38$3.04
Feb 20261008527060$64.51$3.62
Jan 20262501,0448080$60.04$7.72
Dec 2025001,0858710$57.97$4.26
Nov 2025001,0698340$60.06$3.79
Oct 2025001,0037940$60.89$3.19
Sep 2025009617800$63.96$2.97
Aug 2025001,1259050$64.86$2.91
Jul 2025001,1088510$68.39$3.20
Jun 2025001,0838730$68.17$3.02
May 20253661,1239480$62.17$3.12
Apr 20254401,1179370$63.54$3.42
Mar 20252101,1559900$68.24$4.12
Feb 2025009177800$71.53$4.19
Jan 202543541,0268860$75.74$4.13
Dec 2024601,0799400$70.12$3.01
Nov 2024001,1089650$69.95$2.12
Oct 2024009337920$71.99$2.20
Sep 2024001,0348950$70.24$2.28
Aug 2024301,0819240$76.68$1.99
Jul 2024201,0829110$81.80$2.07
Jun 2024001,0528940$79.77$2.54
May 202434531,0989360$80.02$2.12
Apr 2024001,0719170$85.35$1.60
Mar 20241301,1239840$81.28$1.49
Feb 20248281,0909810$77.25$1.72
Jan 20241101,1191,0080$74.15$3.18
Dec 2023101,0699760$71.90$2.52
Nov 2023101,0779240$77.69$2.71
Oct 2023301,1371,0170$85.64$2.98
Sep 2023501,1199910$89.43$2.64
Aug 2023201,1781,0460$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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