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Producing

MAYFIELD 39

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

1 well

3,488mcf gas, last 12 months−17% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Strawn, North)
RRC lease
7C-198966

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Where it sits

This county

Sutton CountySuttonSchleicherMenardSutton County
Sutton County
Gas in Jun 2026
263 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 MAYFIELD 39, Aug 2023 to Jul 2026. Gas output fell 17% over the last 12 months. 3,176 mcf in the 12 months through Jul 2026, against 3,808 mcf in the 12 months before.Last 12 months: 3,176 mcfmcf per month0100200300400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 17% over the last 12 monthsMonthly gas production for MAYFIELD 39, Aug 2023 to Jul 2026. Gas output fell 17% over the last 12 months. 3,176 mcf in the 12 months through Jul 2026, against 3,808 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

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% · 3,136 mcf

  • Lease fuel (1)

    10% · 352 mcf

1 well on this lease

Wells on MAYFIELD 39
API numberWell no.Status
42-435-3619118Active

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
42-435-3619118640

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 20262632320$84.81$3.15
May 20262922620$102.13$2.94
Apr 20262912540$100.32$2.77
Mar 20263072800$91.38$3.04
Feb 20262732490$64.51$3.62
Jan 20263012740$60.04$7.72
Dec 20252962700$57.97$4.26
Nov 20252852600$60.06$3.79
Oct 20252712470$60.89$3.19
Sep 20252942540$63.96$2.97
Aug 20253032720$64.86$2.91
Jul 20253122820$68.39$3.20
Jun 20252942310$68.17$3.02
May 20252962420$62.17$3.12
Apr 20252912620$63.54$3.42
Mar 20253362890$68.24$4.12
Feb 20252892470$71.53$4.19
Jan 20253262860$75.74$4.13
Dec 20243252920$70.12$3.01
Nov 20243142740$69.95$2.12
Oct 20243453140$71.99$2.20
Sep 20243413130$70.24$2.28
Aug 20243393100$76.68$1.99
Jul 20243553250$81.80$2.07
Jun 20243403090$79.77$2.54
May 20243473120$80.02$2.12
Apr 20243212820$85.35$1.60
Mar 20243383040$81.28$1.49
Feb 20243283030$77.25$1.72
Jan 20243453190$74.15$3.18
Dec 20233362990$71.90$2.52
Nov 20233323030$77.69$2.71
Oct 20233673360$85.64$2.98
Sep 20233292980$89.43$2.64
Aug 20233362930$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 (Strawn, North)CountySutton County

Upp Operating, LLC in Sutton County

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Sawyer (Strawn, North) field

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