Skip to content
Royalty Clerk

Texas gas well

Producing

MAYFIELD 39

Mayfield 39 is a gas well in Sutton County, Texas, operated by Upp Operating, LLC in the Sawyer (Canyon) field.

1 well

1,373mcf gas, last 12 months−12% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Canyon)
RRC lease
7C-214044

Is your check right?

Check my statement

Where it sits

This county

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

Production by month

Gas output fell 12% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Last 12 months
Gas output fell 12% over the last 12 monthsMonthly gas production for MAYFIELD 39, Aug 2023 to Jul 2026. Gas output fell 12% over the last 12 months. 1,249 mcf in the 12 months through Jul 2026, against 1,415 mcf in the 12 months before.Last 12 months: 1,249 mcfmcf per month0255075100125Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 12% over the last 12 monthsMonthly gas production for MAYFIELD 39, Aug 2023 to Jul 2026. Gas output fell 12% over the last 12 months. 1,249 mcf in the 12 months through Jul 2026, against 1,415 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

79% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
79% of the gas went to a processing plant in the last 12 monthsShare of MAYFIELD 39 gas by disposition code each month, Aug 2023 to Jul 2026. 79% 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
79% of the gas went to a processing plant in the last 12 monthsShare of MAYFIELD 39 gas by disposition code each month, Aug 2023 to Jul 2026. 79% 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)

    79% · 1,090 mcf

  • Lease fuel (1)

    21% · 283 mcf

1 well on this lease

Wells on MAYFIELD 39
API numberWell no.Status
42-435-3730024Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Enterprise Hydrocarbons, L.p.Gas-well gasBuys100Jul 25, 2005
Stonewater Pipeline Company LLCGas-well gasGathers100Feb 1, 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 39
API numberWell no.Acreson the permit
42-435-3730024640

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for MAYFIELD 39
MonthGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026No report filed–––$80.46$2.89
Jun 2026112890$84.81$3.15
May 2026114920$102.13$2.94
Apr 2026108840$100.32$2.77
Mar 2026114910$91.38$3.04
Feb 2026103850$64.51$3.62
Jan 2026105810$60.04$7.72
Dec 2025115920$57.97$4.26
Nov 2025113880$60.06$3.79
Oct 2025121960$60.89$3.19
Sep 2025120970$63.96$2.97
Aug 20251241000$64.86$2.91
Jul 2025124950$68.39$3.20
Jun 2025122980$68.17$3.02
May 20251241050$62.17$3.12
Apr 20251221020$63.54$3.42
Mar 20251191020$68.24$4.12
Feb 2025105890$71.53$4.19
Jan 20251161000$75.74$4.13
Dec 20241181030$70.12$3.01
Nov 2024114990$69.95$2.12
Oct 2024117990$71.99$2.20
Sep 2024114990$70.24$2.28
Aug 20241201030$76.68$1.99
Jul 20241201010$81.80$2.07
Jun 2024117990$79.77$2.54
May 20241201020$80.02$2.12
Apr 2024114980$85.35$1.60
Mar 20241191040$81.28$1.49
Feb 20241111000$77.25$1.72
Jan 20241191070$74.15$3.18
Dec 20231201100$71.90$2.52
Nov 2023113970$77.69$2.71
Oct 20231181060$85.64$2.98
Sep 20231131000$89.43$2.64
Aug 2023109970$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.

How to check your stub against this lease Checks stopped on this lease? See the likely reasons

Do your checks match this lease?

Check my statement

Nearby

This lease belongs to

OperatorUpp Operating, LLCFieldSawyer (Canyon)CountySutton County

Upp Operating, LLC in Sutton County

All Upp Operating, LLC leases →

Sawyer (Canyon) field

All leases in this field →

Leases within 10 km

New drilling permits in Sutton County

Newest in the county: this lease has no coordinates.