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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

632mcf gas, last 12 months−67% vs prior year
Operator
Upp Operating, LLC
County
Sutton County
Field
Sawyer (Canyon)
RRC lease
7C-100422

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Where it sits

This county

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

Production by month

Gas output fell 67% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 67% over the last 12 monthsMonthly gas production and oil for MAYFIELD 39, Aug 2023 to Jul 2026. Gas output fell 67% over the last 12 months. 551 mcf in the 12 months through Jul 2026, against 1,664 mcf in the 12 months before.Last 12 months: 551 mcfmcf per monthbbl per month0010002000300140015001Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 67% over the last 12 monthsMonthly gas production and oil for MAYFIELD 39, Aug 2023 to Jul 2026. Gas output fell 67% over the last 12 months. 551 mcf in the 12 months through Jul 2026, against 1,664 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month0010002000300140015001Jan 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% · 567 mcf

  • Lease fuel (1)

    10% · 65 mcf

1 well on this lease

Wells on MAYFIELD 39
API numberWell no.Status
42-435-321853Active

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

Check your decimal on this lease
Permits for Mayfield 39
API numberWell no.Acreson the permit
42-435-321853640

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

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36 months, newest first

Ledger for MAYFIELD 39
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026No report filed–––––$80.46$2.89
Jun 20260041360$84.81$3.15
May 20260037330$102.13$2.94
Apr 20260013110$100.32$2.77
Mar 20260030270$91.38$3.04
Feb 20260054490$64.51$3.62
Jan 20260063570$60.04$7.72
Dec 20250053480$57.97$4.26
Nov 20250049450$60.06$3.79
Oct 20250073660$60.89$3.19
Sep 20250061530$63.96$2.97
Aug 20250077690$64.86$2.91
Jul 20250081730$68.39$3.20
Jun 20250083650$68.17$3.02
May 20250089730$62.17$3.12
Apr 20250092830$63.54$3.42
Mar 202500102880$68.24$4.12
Feb 2025004874160$71.53$4.19
Jan 2025002702370$75.74$4.13
Dec 20240081730$70.12$3.01
Nov 20240082720$69.95$2.12
Oct 20240095860$71.99$2.20
Sep 20240098900$70.24$2.28
Aug 202400104950$76.68$1.99
Jul 2024001161060$81.80$2.07
Jun 2024001201090$79.77$2.54
May 2024011291160$80.02$2.12
Apr 2024001201050$85.35$1.60
Mar 2024001141030$81.28$1.49
Feb 2024001111030$77.25$1.72
Jan 202400106980$74.15$3.18
Dec 202300103920$71.90$2.52
Nov 202300101920$77.69$2.71
Oct 202302108990$85.64$2.98
Sep 202300108980$89.43$2.64
Aug 20231097850$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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