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Texas gas well

Producing

MAYFIELD 40

Mayfield 40 is a gas well in Sutton County, Texas, operated by Upp Operating, LLC in the Sawyer (Canyon) field.

1 well

1,434mcf gas, last 12 months−7% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Canyon)
RRC lease
7C-211027

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Where it sits

This county

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

Production by month

Gas output fell 7% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Last 12 months
Gas output fell 7% over the last 12 monthsMonthly gas production for MAYFIELD 40, Aug 2023 to Jul 2026. Gas output fell 7% over the last 12 months. 1,312 mcf in the 12 months through Jul 2026, against 1,415 mcf in the 12 months before.Last 12 months: 1,312 mcfmcf per month050100150200Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 7% over the last 12 monthsMonthly gas production for MAYFIELD 40, Aug 2023 to Jul 2026. Gas output fell 7% over the last 12 months. 1,312 mcf in the 12 months through Jul 2026, against 1,415 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 40 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 40 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% · 1,288 mcf

  • Lease fuel (1)

    10% · 146 mcf

1 well on this lease

Wells on MAYFIELD 40
API numberWell no.Status
42-435-3705114Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
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

  • 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 40
API numberWell no.Acreson the permit
42-435-3705114640

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for MAYFIELD 40
MonthGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026No report filed–––$80.46$2.89
Jun 20261181040$84.81$3.15
May 20261221090$102.13$2.94
Apr 20261161010$100.32$2.77
Mar 20261251140$91.38$3.04
Feb 20261101000$64.51$3.62
Jan 20261191080$60.04$7.72
Dec 20251221110$57.97$4.26
Nov 20251181080$60.06$3.79
Oct 20251211100$60.89$3.19
Sep 20251211050$63.96$2.97
Aug 20251201080$64.86$2.91
Jul 20251221100$68.39$3.20
Jun 2025121950$68.17$3.02
May 2025114930$62.17$3.12
Apr 20251201080$63.54$3.42
Mar 2025115990$68.24$4.12
Feb 2025104890$71.53$4.19
Jan 20251161020$75.74$4.13
Dec 20241171050$70.12$3.01
Nov 20241171020$69.95$2.12
Oct 20241301180$71.99$2.20
Sep 20241211110$70.24$2.28
Aug 20241181080$76.68$1.99
Jul 20241191090$81.80$2.07
Jun 20241191080$79.77$2.54
May 20241211090$80.02$2.12
Apr 20241151010$85.35$1.60
Mar 20241191070$81.28$1.49
Feb 20241151060$77.25$1.72
Jan 20241191100$74.15$3.18
Dec 2023870$71.90$2.52
Nov 2023000$77.69$2.71
Oct 2023000$85.64$2.98
Sep 2023000$89.43$2.64
Aug 2023220$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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Nearby

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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