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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

3,690mcf gas, last 12 months+746% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Canyon)
RRC lease
7C-243756

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Where it sits

This county

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

Production by month

Gas output rose 746% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Last 12 months
Gas output rose 746% over the last 12 monthsMonthly gas production for MAYFIELD 40, Aug 2023 to Jul 2026. Gas output rose 746% over the last 12 months. 3,687 mcf in the 12 months through Jul 2026, against 436 mcf in the 12 months before.Last 12 months: 3,687 mcfmcf per month0100200300400500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output rose 746% over the last 12 monthsMonthly gas production for MAYFIELD 40, Aug 2023 to Jul 2026. Gas output rose 746% over the last 12 months. 3,687 mcf in the 12 months through Jul 2026, against 436 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

80% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
80% 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. 80% 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
80% 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. 80% 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)

    80% · 2,944 mcf

  • Lease fuel (1)

    20% · 759 mcf

1 well on this lease

Wells on MAYFIELD 40
API numberWell no.Status
42-435-3910423Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Shell Trading (Us) CompanyCondensateGathers100Nov 13, 2008
Enervest Operating, L.l.c.Gas-well gasBuys100Sep 1, 2015
Stonewater Pipeline Company LLCGas-well gasGathers100Nov 13, 2008

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
42-435-3910423640

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 20263963150$84.81$3.15
May 20264293450$102.13$2.94
Apr 20262932270$100.32$2.77
Mar 20264203350$91.38$3.04
Feb 20263853190$64.51$3.62
Jan 20264293320$60.04$7.72
Dec 20254533640$57.97$4.26
Nov 20254803750$60.06$3.79
Oct 20254003170$60.89$3.19
Sep 2025220$63.96$2.97
Aug 2025000$64.86$2.91
Jul 2025320$68.39$3.20
Jun 2025000$68.17$3.02
May 2025000$62.17$3.12
Apr 202513110$63.54$3.42
Mar 202547400$68.24$4.12
Feb 202523200$71.53$4.19
Jan 202534290$75.74$4.13
Dec 202433290$70.12$3.01
Nov 202460520$69.95$2.12
Oct 202494800$71.99$2.20
Sep 202459510$70.24$2.28
Aug 202470600$76.68$1.99
Jul 202477650$81.80$2.07
Jun 202471600$79.77$2.54
May 202465550$80.02$2.12
Apr 202474630$85.35$1.60
Mar 202466580$81.28$1.49
Feb 202472650$77.25$1.72
Jan 202477690$74.15$3.18
Dec 202372660$71.90$2.52
Nov 202383710$77.69$2.71
Oct 2023101900$85.64$2.98
Sep 2023105930$89.43$2.64
Aug 202399880$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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