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 Fawcett (Wolfcamp) field.

1 well

1,991mcf gas, last 12 months+866% vs prior year
RRC lease
7C-280290

Is your check right?

Check my statement

Where it sits

This county

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

Production by month

Gas output rose 866% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Last 12 months
Gas output rose 866% over the last 12 monthsMonthly gas production for MAYFIELD 39, Aug 2023 to Jul 2026. Gas output rose 866% over the last 12 months. 1,864 mcf in the 12 months through Jul 2026, against 193 mcf in the 12 months before.Last 12 months: 1,864 mcfmcf per month0100200300400500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output rose 866% over the last 12 monthsMonthly gas production for MAYFIELD 39, Aug 2023 to Jul 2026. Gas output rose 866% over the last 12 months. 1,864 mcf in the 12 months through Jul 2026, against 193 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

89% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
89% 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. 89% 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
89% 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. 89% 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)

    89% · 1,781 mcf

  • Lease fuel (1)

    11% · 210 mcf

1 well on this lease

Wells on MAYFIELD 39
API numberWell no.Status
42-435-3505315Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Shell Trading (Us) CompanyCondensateGathers100Jun 1, 2014
Enervest Operating, L.l.c.Gas-well gasBuys100Jun 1, 2014
Dcp Operating Company, LPGas-well gasGathers100Apr 1, 2017

SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).

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
42-435-3505315640

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

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 20262462170$84.81$3.15
May 20261411260$102.13$2.94
Apr 20264203670$100.32$2.77
Mar 20261571430$91.38$3.04
Feb 20261521390$64.51$3.62
Jan 202692840$60.04$7.72
Dec 20251341220$57.97$4.26
Nov 20251361240$60.06$3.79
Oct 20251311190$60.89$3.19
Sep 20251271100$63.96$2.97
Aug 20251281150$64.86$2.91
Jul 20251271150$68.39$3.20
Jun 202566520$68.17$3.02
May 2025000$62.17$3.12
Apr 2025000$63.54$3.42
Mar 2025000$68.24$4.12
Feb 2025000$71.53$4.19
Jan 2025000$75.74$4.13
Dec 2024000$70.12$3.01
Nov 2024000$69.95$2.12
Oct 2024000$71.99$2.20
Sep 2024000$70.24$2.28
Aug 2024000$76.68$1.99
Jul 2024000$81.80$2.07
Jun 2024000$79.77$2.54
May 2024000$80.02$2.12
Apr 2024000$85.35$1.60
Mar 2024000$81.28$1.49
Feb 2024000$77.25$1.72
Jan 2024000$74.15$3.18
Dec 2023000$71.90$2.52
Nov 2023000$77.69$2.71
Oct 202315140$85.64$2.98
Sep 20232672420$89.43$2.64
Aug 20232682340$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?

Nearby

Upp Operating, LLC in Sutton County

All Upp Operating, LLC leases →

Fawcett (Wolfcamp) 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.