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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

818mcf gas, last 12 months−10% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Canyon)
RRC lease
7C-052998

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Where it sits

This county

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

Production by month

Gas output fell 10% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Last 12 months
Gas output fell 10% over the last 12 monthsMonthly gas production for MAYFIELD 40, Aug 2023 to Jul 2026. Gas output fell 10% over the last 12 months. 707 mcf in the 12 months through Jul 2026, against 787 mcf in the 12 months before.Last 12 months: 707 mcfmcf per month0255075100125Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 10% over the last 12 monthsMonthly gas production for MAYFIELD 40, Aug 2023 to Jul 2026. Gas output fell 10% over the last 12 months. 707 mcf in the 12 months through Jul 2026, against 787 mcf in the 12 months before.Last 12 monthsmcf per month0255075100125Jan 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% · 734 mcf

  • Lease fuel (1)

    10% · 84 mcf

1 well on this lease

Wells on MAYFIELD 40
API numberWell no.Status
42-435-301341Active

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).

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What the drilling permits say

  • Good to know

    The state has no unit acreage for this lease

    Ask the operator for the acreage on your well's division order and unit plat.

Check your decimal on this lease
Permits for Mayfield 40
API numberWell no.Acreson the permit
42-435-301341–

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

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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 202658510$84.81$3.15
May 202655490$102.13$2.94
Apr 202654470$100.32$2.77
Mar 202656510$91.38$3.04
Feb 202649450$64.51$3.62
Jan 202660550$60.04$7.72
Dec 202566600$57.97$4.26
Nov 202567610$60.06$3.79
Oct 202574670$60.89$3.19
Sep 202571610$63.96$2.97
Aug 202597870$64.86$2.91
Jul 20251111000$68.39$3.20
Jun 202565510$68.17$3.02
May 202576620$62.17$3.12
Apr 202562560$63.54$3.42
Mar 202562530$68.24$4.12
Feb 202554460$71.53$4.19
Jan 202559520$75.74$4.13
Dec 202458520$70.12$3.01
Nov 202457500$69.95$2.12
Oct 202463570$71.99$2.20
Sep 202461560$70.24$2.28
Aug 202459540$76.68$1.99
Jul 202459540$81.80$2.07
Jun 202457520$79.77$2.54
May 202455490$80.02$2.12
Apr 202449430$85.35$1.60
Mar 202449440$81.28$1.49
Feb 202446420$77.25$1.72
Jan 202447430$74.15$3.18
Dec 202344390$71.90$2.52
Nov 202342380$77.69$2.71
Oct 202338350$85.64$2.98
Sep 202345410$89.43$2.64
Aug 202348420$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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