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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

3,178mcf gas, last 12 months+1% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Canyon)
RRC lease
7C-139180

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Where it sits

This county

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

Production by month

Gas output held steady over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Last 12 months
Gas output held steady over the last 12 monthsMonthly gas production for MAYFIELD 40, Aug 2023 to Jul 2026. Gas output held steady over the last 12 months. 2,918 mcf in the 12 months through Jul 2026, against 2,888 mcf in the 12 months before.Last 12 months: 2,918 mcfmcf per month0100200300400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output held steady over the last 12 monthsMonthly gas production for MAYFIELD 40, Aug 2023 to Jul 2026. Gas output held steady over the last 12 months. 2,918 mcf in the 12 months through Jul 2026, against 2,888 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 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% · 2,858 mcf

  • Lease fuel (1)

    10% · 320 mcf

1 well on this lease

Wells on MAYFIELD 40
API numberWell no.Status
42-435-337474Active

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 40
API numberWell no.Acreson the permit
42-435-337474640

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 20262682370$84.81$3.15
May 20262692410$102.13$2.94
Apr 20262672330$100.32$2.77
Mar 20262792550$91.38$3.04
Feb 20262462240$64.51$3.62
Jan 20262642410$60.04$7.72
Dec 20252682450$57.97$4.26
Nov 20252622390$60.06$3.79
Oct 20252732480$60.89$3.19
Sep 20252652290$63.96$2.97
Aug 20252572310$64.86$2.91
Jul 20252602350$68.39$3.20
Jun 20252461930$68.17$3.02
May 20252512050$62.17$3.12
Apr 20252482240$63.54$3.42
Mar 20252231920$68.24$4.12
Feb 20252181860$71.53$4.19
Jan 20252402110$75.74$4.13
Dec 20242422170$70.12$3.01
Nov 20242322030$69.95$2.12
Oct 20242472250$71.99$2.20
Sep 20242442240$70.24$2.28
Aug 20242372170$76.68$1.99
Jul 20242392190$81.80$2.07
Jun 20242292080$79.77$2.54
May 20242332090$80.02$2.12
Apr 20242181910$85.35$1.60
Mar 20242242020$81.28$1.49
Feb 20242182010$77.25$1.72
Jan 20242222050$74.15$3.18
Dec 20232262010$71.90$2.52
Nov 20232282080$77.69$2.71
Oct 20231851700$85.64$2.98
Sep 20232242030$89.43$2.64
Aug 20232312020$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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