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Texas gas well

Producing

MAYFIELD 39

Mayfield 39 is a gas well in Sutton County, Texas, operated by Upp Operating, LLC in the Sawyer (Canyon) field.

1 well

1,636mcf gas, last 12 months−13% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Canyon)
RRC lease
7C-213148

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Where it sits

This county

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

Production by month

Gas output fell 13% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Last 12 months
Gas output fell 13% over the last 12 monthsMonthly gas production for MAYFIELD 39, Aug 2023 to Jul 2026. Gas output fell 13% over the last 12 months. 1,494 mcf in the 12 months through Jul 2026, against 1,708 mcf in the 12 months before.Last 12 months: 1,494 mcfmcf per month050100150200Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 13% over the last 12 monthsMonthly gas production for MAYFIELD 39, Aug 2023 to Jul 2026. Gas output fell 13% over the last 12 months. 1,494 mcf in the 12 months through Jul 2026, against 1,708 mcf in the 12 months before.Last 12 monthsmcf per month050100150200Jan 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 39 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 39 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% · 1,300 mcf

  • Lease fuel (1)

    21% · 336 mcf

1 well on this lease

Wells on MAYFIELD 39
API numberWell no.Status
42-435-3730323Active

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 30, 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 39
API numberWell no.Acreson the permit
42-435-3730323640

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for MAYFIELD 39
MonthGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026No report filed–––$80.46$2.89
Jun 20261321050$84.81$3.15
May 20261271020$102.13$2.94
Apr 20261391080$100.32$2.77
Mar 20261351080$91.38$3.04
Feb 20261241030$64.51$3.62
Jan 20261331030$60.04$7.72
Dec 20251381110$57.97$4.26
Nov 20251371070$60.06$3.79
Oct 20251431130$60.89$3.19
Sep 20251381120$63.96$2.97
Aug 20251481190$64.86$2.91
Jul 20251421090$68.39$3.20
Jun 20251291040$68.17$3.02
May 20251561320$62.17$3.12
Apr 20251391170$63.54$3.42
Mar 20251431230$68.24$4.12
Feb 20251291100$71.53$4.19
Jan 20251401210$75.74$4.13
Dec 20241461270$70.12$3.01
Nov 20241441250$69.95$2.12
Oct 20241461240$71.99$2.20
Sep 20241431240$70.24$2.28
Aug 20241511290$76.68$1.99
Jul 20241471240$81.80$2.07
Jun 20241461240$79.77$2.54
May 20241541310$80.02$2.12
Apr 20241501280$85.35$1.60
Mar 20241541350$81.28$1.49
Feb 20241431290$77.25$1.72
Jan 20241541390$74.15$3.18
Dec 20231571430$71.90$2.52
Nov 20231391190$77.69$2.71
Oct 20231521360$85.64$2.98
Sep 20231431270$89.43$2.64
Aug 20231391230$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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