Skip to content
Royalty Clerk

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

3,727mcf gas, last 12 months−13% vs prior year
RRC lease
7C-211729

Is your check right?

Check my statement

Where it sits

This county

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

Production by month

Gas output fell 13% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 13% over the last 12 monthsMonthly gas production and oil for MAYFIELD 40, Aug 2023 to Jul 2026. Gas output fell 13% over the last 12 months. 3,401 mcf in the 12 months through Jul 2026, against 3,888 mcf in the 12 months before.Last 12 months: 3,401 mcfmcf per monthbbl per month001001200130024002Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 13% over the last 12 monthsMonthly gas production and oil for MAYFIELD 40, Aug 2023 to Jul 2026. Gas output fell 13% over the last 12 months. 3,401 mcf in the 12 months through Jul 2026, against 3,888 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month001001200130024002Jan 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 40 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 40 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% · 2,960 mcf

  • Lease fuel (1)

    21% · 767 mcf

1 well on this lease

Wells on MAYFIELD 40
API numberWell no.Status
42-435-3705013Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
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

  • 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
42-435-3705013640

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

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 2026003042420$84.81$3.15
May 2026003312660$102.13$2.94
Apr 2026002882230$100.32$2.77
Mar 2026003152510$91.38$3.04
Feb 2026002802320$64.51$3.62
Jan 2026003012330$60.04$7.72
Dec 2025003142520$57.97$4.26
Nov 2025003072400$60.06$3.79
Oct 2025003212540$60.89$3.19
Sep 2025003122530$63.96$2.97
Aug 2025003282640$64.86$2.91
Jul 2025003262500$68.39$3.20
Jun 2025003222600$68.17$3.02
May 2025003342820$62.17$3.12
Apr 2025003292760$63.54$3.42
Mar 2025003292820$68.24$4.12
Feb 2025002892460$71.53$4.19
Jan 2025003152720$75.74$4.13
Dec 2024003262840$70.12$3.01
Nov 2024003222800$69.95$2.12
Oct 2024003342830$71.99$2.20
Sep 2024003222790$70.24$2.28
Aug 2024003402910$76.68$1.99
Jul 2024003372840$81.80$2.07
Jun 2024003312810$79.77$2.54
May 2024003392890$80.02$2.12
Apr 2024003282810$85.35$1.60
Mar 2024003352940$81.28$1.49
Feb 2024003172850$77.25$1.72
Jan 2024003403060$74.15$3.18
Dec 2023003463160$71.90$2.52
Nov 2023223252790$77.69$2.71
Oct 2023003403040$85.64$2.98
Sep 2023003352970$89.43$2.64
Aug 2023003513120$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 →

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.