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

1,903mcf gas, last 12 months−36% vs prior year
RRC lease
7C-201982

Is your check right?

Check my statement

Where it sits

This county

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

Production by month

Gas output fell 36% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Last 12 months
Gas output fell 36% over the last 12 monthsMonthly gas production for MAYFIELD 39, Aug 2023 to Jul 2026. Gas output fell 36% over the last 12 months. 1,541 mcf in the 12 months through Jul 2026, against 2,395 mcf in the 12 months before.Last 12 months: 1,541 mcfmcf per month0200400600800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 36% over the last 12 monthsMonthly gas production for MAYFIELD 39, Aug 2023 to Jul 2026. Gas output fell 36% over the last 12 months. 1,541 mcf in the 12 months through Jul 2026, against 2,395 mcf in the 12 months before.Last 12 monthsmcf per month0200400600800Jan 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 39 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 39 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% · 1,713 mcf

  • Lease fuel (1)

    10.0% · 190 mcf

1 well on this lease

Wells on MAYFIELD 39
API numberWell no.Status
42-435-3634917Active

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).

640 acres on the newest permit

Permits for Mayfield 39
API numberWell no.Acreson the permit
42-435-3634917640

SourceRailroad Commission drilling permits, Sep 26, 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 20261451280$84.81$3.15
May 20261451300$102.13$2.94
Apr 20261441260$100.32$2.77
Mar 20261511380$91.38$3.04
Feb 20261331210$64.51$3.62
Jan 20261421290$60.04$7.72
Dec 20251451320$57.97$4.26
Nov 20251421300$60.06$3.79
Oct 20251451320$60.89$3.19
Sep 2025111960$63.96$2.97
Aug 20251381240$64.86$2.91
Jul 20253623270$68.39$3.20
Jun 20252552000$68.17$3.02
May 20252472020$62.17$3.12
Apr 20251961770$63.54$3.42
Mar 20251231060$68.24$4.12
Feb 2025103880$71.53$4.19
Jan 2025101890$75.74$4.13
Dec 20241121000$70.12$3.01
Nov 20242362060$69.95$2.12
Oct 20242442220$71.99$2.20
Sep 20242242060$70.24$2.28
Aug 20241921760$76.68$1.99
Jul 20241221120$81.80$2.07
Jun 2024100910$79.77$2.54
May 2024102920$80.02$2.12
Apr 202481710$85.35$1.60
Mar 20241601440$81.28$1.49
Feb 20241951800$77.25$1.72
Jan 20241851710$74.15$3.18
Dec 20231741550$71.90$2.52
Nov 20231461330$77.69$2.71
Oct 20232732500$85.64$2.98
Sep 20236716080$89.43$2.64
Aug 20232642300$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

Do your checks match this lease?

Nearby

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.