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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

1,118mcf gas, last 12 months+95% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Canyon)
RRC lease
7C-179021

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Where it sits

This county

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

Production by month

Gas output rose 95% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Last 12 months
Gas output rose 95% over the last 12 monthsMonthly gas production for MAYFIELD 39, Aug 2023 to Jul 2026. Gas output rose 95% over the last 12 months. 1,118 mcf in the 12 months through Jul 2026, against 573 mcf in the 12 months before.Last 12 months: 1,118 mcfmcf per month050100150200Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output rose 95% over the last 12 monthsMonthly gas production for MAYFIELD 39, Aug 2023 to Jul 2026. Gas output rose 95% over the last 12 months. 1,118 mcf in the 12 months through Jul 2026, against 573 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

90% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
90% 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. 90% 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
90% 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. 90% 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)

    90% · 1,066 mcf

  • Lease fuel (1)

    9.7% · 114 mcf

1 well on this lease

Wells on MAYFIELD 39
API numberWell no.Status
42-435-3517312Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Shell Trading (Us) CompanyCondensateGathers100Oct 1, 2006
Enervest Operating, L.l.c.Gas-well gasBuys100Sep 1, 2015
Dcp Operating Company, LPGas-well gasGathers100Apr 1, 2017

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

Who buys my oilOil price check

640 acres on the newest permit

Check your decimal on this lease
Permits for Mayfield 39
API numberWell no.Acreson the permit
42-435-3517312640

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

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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 20261131000$84.81$3.15
May 20261231100$102.13$2.94
Apr 20261221070$100.32$2.77
Mar 20261341220$91.38$3.04
Feb 20261291180$64.51$3.62
Jan 20261261150$60.04$7.72
Dec 20251291180$57.97$4.26
Nov 20251401280$60.06$3.79
Oct 2025102930$60.89$3.19
Sep 2025000$63.96$2.97
Aug 2025000$64.86$2.91
Jul 2025000$68.39$3.20
Jun 2025110$68.17$3.02
May 2025000$62.17$3.12
Apr 2025000$63.54$3.42
Mar 2025110$68.24$4.12
Feb 2025000$71.53$4.19
Jan 202560530$75.74$4.13
Dec 202449440$70.12$3.01
Nov 2024104910$69.95$2.12
Oct 20241211100$71.99$2.20
Sep 20241191090$70.24$2.28
Aug 20241181080$76.68$1.99
Jul 20241221120$81.80$2.07
Jun 20241201090$79.77$2.54
May 20241221100$80.02$2.12
Apr 20241141000$85.35$1.60
Mar 20241151040$81.28$1.49
Feb 20241151060$77.25$1.72
Jan 2024105970$74.15$3.18
Dec 20231131000$71.90$2.52
Nov 20231111010$77.69$2.71
Oct 20231281170$85.64$2.98
Sep 20231211100$89.43$2.64
Aug 20231281120$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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