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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

2,476mcf gas, last 12 months−20% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Canyon)
RRC lease
7C-205279

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Where it sits

This county

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

Production by month

Gas output fell 20% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 20% over the last 12 monthsMonthly gas production and oil for MAYFIELD 40, Aug 2023 to Jul 2026. Gas output fell 20% over the last 12 months. 2,322 mcf in the 12 months through Jul 2026, against 2,906 mcf in the 12 months before.Last 12 months: 2,322 mcfmcf per monthbbl per month001000200130014001Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 20% over the last 12 monthsMonthly gas production and oil for MAYFIELD 40, Aug 2023 to Jul 2026. Gas output fell 20% over the last 12 months. 2,322 mcf in the 12 months through Jul 2026, against 2,906 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month001000200130014001Jan 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% · 2,226 mcf

  • Lease fuel (1)

    10% · 250 mcf

1 well on this lease

Wells on MAYFIELD 40
API numberWell no.Status
42-435-366616Active

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

  • 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
42-435-366616640

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
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026No report filed–––––$80.46$2.89
Jun 2026002191930$84.81$3.15
May 2026001891690$102.13$2.94
Apr 2026002211930$100.32$2.77
Mar 2026002011830$91.38$3.04
Feb 2026002582350$64.51$3.62
Jan 2026001361240$60.04$7.72
Dec 2025001931760$57.97$4.26
Nov 2025002462250$60.06$3.79
Oct 2025002302090$60.89$3.19
Sep 2025001811570$63.96$2.97
Aug 2025002482230$64.86$2.91
Jul 2025001541390$68.39$3.20
Jun 2025003732930$68.17$3.02
May 2025002592120$62.17$3.12
Apr 2025003162850$63.54$3.42
Mar 2025003623110$68.24$4.12
Feb 2025003262780$71.53$4.19
Jan 2025002041790$75.74$4.13
Dec 2024001341200$70.12$3.01
Nov 202400110960$69.95$2.12
Oct 2024002212010$71.99$2.20
Sep 2024001501380$70.24$2.28
Aug 2024002972720$76.68$1.99
Jul 2024003022760$81.80$2.07
Jun 2024002972700$79.77$2.54
May 2024033042730$80.02$2.12
Apr 2024002812470$85.35$1.60
Mar 2024002892600$81.28$1.49
Feb 2024002902680$77.25$1.72
Jan 2024002822610$74.15$3.18
Dec 2023002952620$71.90$2.52
Nov 2023003052790$77.69$2.71
Oct 2023042722490$85.64$2.98
Sep 2023002882610$89.43$2.64
Aug 2023103012630$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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