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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

5,362mcf gas, last 12 months+113% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Strawn, North)
RRC lease
7C-161715

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Where it sits

This county

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

Production by month

Gas output rose 113% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Last 12 months
Gas output rose 113% over the last 12 monthsMonthly gas production for MAYFIELD 39, Aug 2023 to Jul 2026. Gas output rose 113% over the last 12 months. 5,173 mcf in the 12 months through Jul 2026, against 2,425 mcf in the 12 months before.Last 12 months: 5,173 mcfmcf per month02505007501,0001,250Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output rose 113% over the last 12 monthsMonthly gas production for MAYFIELD 39, Aug 2023 to Jul 2026. Gas output rose 113% over the last 12 months. 5,173 mcf in the 12 months through Jul 2026, against 2,425 mcf in the 12 months before.Last 12 monthsmcf per month02505007501,0001,250Jan 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% · 4,808 mcf

  • Lease fuel (1)

    10% · 554 mcf

1 well on this lease

Wells on MAYFIELD 39
API numberWell no.Status
42-435-346139Active

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

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Permits for Mayfield 39
API numberWell no.Acreson the permit
42-435-346139640

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 20267796880$84.81$3.15
May 20269278300$102.13$2.94
Apr 20269948690$100.32$2.77
Mar 20261,0659720$91.38$3.04
Feb 20264494100$64.51$3.62
Jan 20262962700$60.04$7.72
Dec 202571650$57.97$4.26
Nov 20251481350$60.06$3.79
Oct 20251581440$60.89$3.19
Sep 2025106920$63.96$2.97
Aug 20251801620$64.86$2.91
Jul 20251891710$68.39$3.20
Jun 20251911500$68.17$3.02
May 20251921570$62.17$3.12
Apr 20251911720$63.54$3.42
Mar 20252161860$68.24$4.12
Feb 20251871600$71.53$4.19
Jan 20251981740$75.74$4.13
Dec 20242101880$70.12$3.01
Nov 20242001750$69.95$2.12
Oct 20242252050$71.99$2.20
Sep 20242131960$70.24$2.28
Aug 20242131950$76.68$1.99
Jul 20242212020$81.80$2.07
Jun 20242071880$79.77$2.54
May 20241891700$80.02$2.12
Apr 20241971730$85.35$1.60
Mar 20242071860$81.28$1.49
Feb 20242001850$77.25$1.72
Jan 20242172010$74.15$3.18
Dec 20232061830$71.90$2.52
Nov 20232362160$77.69$2.71
Oct 20232121940$85.64$2.98
Sep 20231761600$89.43$2.64
Aug 20232151880$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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