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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

5,188mcf gas, last 12 months−7% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Canyon)
RRC lease
7C-205276

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Where it sits

This county

Sutton CountySuttonSchleicherMenardSutton County
Sutton County
Oil, last 12 months
243 bbl
Gas in Jun 2026
429 mcf

Production by month

Gas output fell 7% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 7% over the last 12 monthsMonthly gas production and oil for MAYFIELD 40, Aug 2023 to Jul 2026. Gas output fell 7% over the last 12 months. 4,685 mcf in the 12 months through Jul 2026, against 5,026 mcf in the 12 months before.Last 12 months: 4,685 mcfmcf per monthbbl per month00200254005060075800100Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 7% over the last 12 monthsMonthly gas production and oil for MAYFIELD 40, Aug 2023 to Jul 2026. Gas output fell 7% over the last 12 months. 4,685 mcf in the 12 months through Jul 2026, against 5,026 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month00200254005060075800100Jan 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% · 4,663 mcf

  • Lease fuel (1)

    10% · 525 mcf

1 well on this lease

Wells on MAYFIELD 40
API numberWell no.Status
42-435-3662611Active

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
42-435-3662611640

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

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36 months, newest first

Ledger for MAYFIELD 40
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026No report filed–––––$80.46$2.89
Jun 20263204293790$84.81$3.15
May 20269494413950$102.13$2.94
Apr 20263204463900$100.32$2.77
Mar 202618434814390$91.38$3.04
Feb 20263504343960$64.51$3.62
Jan 20268503172890$60.04$7.72
Dec 20253004584180$57.97$4.26
Nov 202519414624220$60.06$3.79
Oct 20251002732480$60.89$3.19
Sep 20252404563950$63.96$2.97
Aug 202526374884380$64.86$2.91
Jul 2025005034540$68.39$3.20
Jun 20251904173270$68.17$3.02
May 20255343582930$62.17$3.12
Apr 20253404744270$63.54$3.42
Mar 202517425084370$68.24$4.12
Feb 20252104043450$71.53$4.19
Jan 202513442121860$75.74$4.13
Dec 20241802342100$70.12$3.01
Nov 20242303493050$69.95$2.12
Oct 202418635114650$71.99$2.20
Sep 20243505354910$70.24$2.28
Aug 202422555214770$76.68$1.99
Jul 20242305404940$81.80$2.07
Jun 20241705234760$79.77$2.54
May 2024371105284740$80.02$2.12
Apr 20241704904300$85.35$1.60
Mar 202432564984480$81.28$1.49
Feb 20246004844470$77.25$1.72
Jan 2024100704844480$74.15$3.18
Dec 2023005464850$71.90$2.52
Nov 2023004303930$77.69$2.71
Oct 202319254684290$85.64$2.98
Sep 2023105054580$89.43$2.64
Aug 2023105284610$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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