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Texas oil lease

Producing

MCDERMOTT, C. W.

McDermott, C. W. is an oil lease in Colorado County, Texas, operated by Mountain V Texas, LLC in the Nada, E. (Ammann 6500) field.

2 wells

1,101bbl oil, last 12 months−32% vs prior year
Operator
Mountain V Texas, LLC
County
Colorado County
Field
Nada, E. (Ammann 6500)
RRC lease
03-20827

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Where it sits

This county

Colorado CountyColoradoLavacaFayetteWashingtonAustinWhartonWallerFort BendColorado County
Colorado County
Oil in Jun 2026
99 bbl
Reporting since
Jan 2020

Production by month

Oil output fell 32% over the last 12 months

Jul 2026 was not reported.

  • Oil (bars)
  • Last 12 months
Oil output fell 32% over the last 12 monthsMonthly oil production for MCDERMOTT, C. W., Aug 2023 to Jul 2026. Oil output fell 32% over the last 12 months. 986 bbl in the 12 months through Jul 2026, against 1,447 bbl in the 12 months before.Last 12 months: 986 bblbbl per month050100150200Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 32% over the last 12 monthsMonthly oil production for MCDERMOTT, C. W., Aug 2023 to Jul 2026. Oil output fell 32% over the last 12 months. 986 bbl in the 12 months through Jul 2026, against 1,447 bbl in the 12 months before.Last 12 monthsbbl per month050100150200Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

Who has run this lease

The operator changed once, most recently in Oct 2025

Operators of this lease over timeTMR Exploration, Inc., Jan 2020 to Sep 2025; Mountain V Texas, LLC, Oct 2025 to Jun 20262020202120222023202420252026Changed Oct 2025TMR Exploration, Inc.Jan 2020 to Sep 2025Mountain V Texas, LLCOct 2025 to now
Operators of this lease over timeTMR Exploration, Inc., Jan 2020 to Sep 2025; Mountain V Texas, LLC, Oct 2025 to Jun 20262020202120222023202420252026Changed Oct 2025TMR Exploration, Inc.Jan 2020 to Sep 2025Mountain V Texas, LLCOct 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

2 wells on this lease

Wells on MCDERMOTT, C. W.
API numberWell no.Status
42-089-306424Shut-in
42-089-318146Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Gulfmark Energy, Inc.OilGathers100May 1, 2026–
Copano Fld Serv/South Texas LLCCasinghead gasBuys100Aug 1, 2021–
Copano Fld Serv/South Texas LLCCasinghead gasGathers100Aug 1, 2021–
4J Energy, LLCOilGathers100May 1, 2024May 1, 2026
Enterprise Crude Oil LLCOilGathers100Aug 1, 2021May 1, 2024
Copano Fld Serv/South Texas LLCCasinghead gasGathers100Jun 1, 2020Aug 1, 2021
Copano Fld Serv/South Texas LLCCasinghead gasBuys100Jun 1, 2020Aug 1, 2021
Plains Marketing, L.p.OilGathers100Jun 1, 2020Aug 1, 2021
Shell Trading (Us) CompanyOilGathers100Oct 1, 2016Jun 1, 2020

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

Who buys my oilOil price check

695 acres on the newest permit

Permits for McDermott, C. W.
API numberWell no.Acreson the permit
42-089-318146695
42-089-306424695

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

Unit decimal checker

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36 months, newest first

Ledger for MCDERMOTT, C. W.
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026No report––$80.46$2.89
Jun 2026Mountain V990$84.81$3.15
May 2026Mountain V46173$102.13$2.94
Apr 2026Mountain V620$100.32$2.77
Mar 2026Mountain V43179$91.38$3.04
Feb 2026Mountain V430$64.51$3.62
Jan 2026Mountain V197179$60.04$7.72
Dec 2025Mountain V900$57.97$4.26
Nov 2025Mountain V108188$60.06$3.79
Oct 2025Mountain V900$60.89$3.19
Sep 2025TMR Exploration,93173$63.96$2.97
Aug 2025TMR Exploration,115163$64.86$2.91
Jul 2025TMR Exploration,1150$68.39$3.20
Jun 2025TMR Exploration,114168$68.17$3.02
May 2025TMR Exploration,123169$62.17$3.12
Apr 2025TMR Exploration,1220$63.54$3.42
Mar 2025TMR Exploration,117164$68.24$4.12
Feb 2025TMR Exploration,119174$71.53$4.19
Jan 2025TMR Exploration,107174$75.74$4.13
Dec 2024TMR Exploration,1570$70.12$3.01
Nov 2024TMR Exploration,124171$69.95$2.12
Oct 2024TMR Exploration,108173$71.99$2.20
Sep 2024TMR Exploration,1390$70.24$2.28
Aug 2024TMR Exploration,102174$76.68$1.99
Jul 2024TMR Exploration,76178$81.80$2.07
Jun 2024TMR Exploration,1030$79.77$2.54
May 2024TMR Exploration,95166$80.02$2.12
Apr 2024TMR Exploration,1200$85.35$1.60
Mar 2024TMR Exploration,173173$81.28$1.49
Feb 2024TMR Exploration,94169$77.25$1.72
Jan 2024TMR Exploration,230$74.15$3.18
Dec 2023TMR Exploration,740$71.90$2.52
Nov 2023TMR Exploration,117168$77.69$2.71
Oct 2023TMR Exploration,190$85.64$2.98
Sep 2023TMR Exploration,134169$89.43$2.64
Aug 2023TMR Exploration,168185$81.39$2.58

No report filed

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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Nearby

This lease belongs to

OperatorMountain V Texas, LLCFieldNada, E. (Ammann 6500)CountyColorado County

Mountain V Texas, LLC in Colorado County

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Nada, E. (Ammann 6500) field

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