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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

1,788mcf gas, last 12 months−26% vs prior year
RRC lease
7C-201981

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Where it sits

This county

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

Production by month

Gas output fell 26% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Last 12 months
Gas output fell 26% over the last 12 monthsMonthly gas production for MAYFIELD 39, Aug 2023 to Jul 2026. Gas output fell 26% over the last 12 months. 1,621 mcf in the 12 months through Jul 2026, against 2,183 mcf in the 12 months before.Last 12 months: 1,621 mcfmcf per month0100200300400500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 26% over the last 12 monthsMonthly gas production for MAYFIELD 39, Aug 2023 to Jul 2026. Gas output fell 26% over the last 12 months. 1,621 mcf in the 12 months through Jul 2026, against 2,183 mcf in the 12 months before.Last 12 monthsmcf per month0100200300400500Jan 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% · 1,610 mcf

  • Lease fuel (1)

    10.0% · 178 mcf

1 well on this lease

Wells on MAYFIELD 39
API numberWell no.Status
42-435-3619016Active

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).

640 acres on the newest permit

  • Good to know

    A pooling certificate (P-12) was filed

    Your tract may share its production with neighbors in a pooled unit. The unit acres the operator uses to divide production can differ from the acreage on one permit.

Check your decimal on this lease
Permits for Mayfield 39
API numberWell no.Acreson the permit
42-435-3619016640

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

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 20261441270$84.81$3.15
May 20261481330$102.13$2.94
Apr 20261451270$100.32$2.77
Mar 20261531400$91.38$3.04
Feb 20261341220$64.51$3.62
Jan 20261491360$60.04$7.72
Dec 20251501370$57.97$4.26
Nov 20251501370$60.06$3.79
Oct 20251561420$60.89$3.19
Sep 20251281110$63.96$2.97
Aug 20251641470$64.86$2.91
Jul 20251671510$68.39$3.20
Jun 20251631280$68.17$3.02
May 20251701390$62.17$3.12
Apr 20251721550$63.54$3.42
Mar 20251641410$68.24$4.12
Feb 20251511290$71.53$4.19
Jan 20251651450$75.74$4.13
Dec 20241741560$70.12$3.01
Nov 20241811580$69.95$2.12
Oct 20242061870$71.99$2.20
Sep 20242192010$70.24$2.28
Aug 20242512300$76.68$1.99
Jul 20243433140$81.80$2.07
Jun 20244023660$79.77$2.54
May 20243433080$80.02$2.12
Apr 2024000$85.35$1.60
Mar 2024000$81.28$1.49
Feb 2024000$77.25$1.72
Jan 2024000$74.15$3.18
Dec 2023000$71.90$2.52
Nov 2023000$77.69$2.71
Oct 2023000$85.64$2.98
Sep 2023000$89.43$2.64
Aug 2023000$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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Upp Operating, LLC in Sutton County

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