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Texas gas well

Producing

MCMAHON

McMahon is a gas well in Tarrant County, Texas, operated by Formentera Operations LLC in the Newark, East (Barnett Shale) field.

1 well

10,978mcf gas, last 12 months−3% vs prior year
Operator
Formentera Operations LLC
County
Tarrant County
Field
Newark, East (Barnett Shale)
RRC lease
09-256708

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Where it sits

This county

Tarrant CountyTarrantWiseHoodEllisCollinDallasParkerJohnsonDentonTarrant County
Tarrant County
Gas in Jul 2026
2,193 mcf
Reporting since
Jan 2020

Checks stopped on this lease?

  • Operator

    Operator changed: Formentera Operations LLC took over from Javelin Energy Partners Mgmt LLC in Dec 2025.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Gas output fell 3% over the last 12 months

  • Gas (bars)
  • Last 12 months
Gas output fell 3% over the last 12 monthsMonthly gas production for MCMAHON, Aug 2023 to Jul 2026. Gas output fell 3% over the last 12 months. 10,978 mcf in the 12 months through Jul 2026, against 11,365 mcf in the 12 months before.Last 12 months: 10,978 mcfmcf per month05001,0001,5002,0002,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 3% over the last 12 monthsMonthly gas production for MCMAHON, Aug 2023 to Jul 2026. Gas output fell 3% over the last 12 months. 10,978 mcf in the 12 months through Jul 2026, against 11,365 mcf in the 12 months before.Last 12 monthsmcf per month05001,0001,5002,0002,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to a transmission line in the last 12 months

All of the gas went to a transmission line in the last 12 monthsShare of MCMAHON gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to a transmission line in the last 12 monthsShare of MCMAHON gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line 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.

Who has run this lease

The operator changed 3 times, most recently in Dec 2025

Operators of this lease over timeFDL Operating, LLC, Jan 2020 to Dec 2021; Venado Operating Company LLC, Jan 2022 to Mar 2022; Javelin Energy Partners Mgmt LLC, Apr 2022 to Nov 2025; Formentera Operations LLC, Dec 2025 to Jul 20262020202120222023202420252026Changed Jan 2022Changed Apr 2022Changed Dec 2025FDL Operating, LLCJan 2020 to Dec 2021Venado Operating Company LLCJan 2022 to Mar 2022Javelin Energy Partners Mgmt…Apr 2022 to Nov 2025Formentera Operations LLCDec 2025 to now
Operators of this lease over timeFDL Operating, LLC, Jan 2020 to Dec 2021; Venado Operating Company LLC, Jan 2022 to Mar 2022; Javelin Energy Partners Mgmt LLC, Apr 2022 to Nov 2025; Formentera Operations LLC, Dec 2025 to Jul 20262020202120222023202420252026Changed Jan 2022Changed Apr 2022Changed Dec 2025FDL Operating, LLCJan 2020 to Dec 2021Venado Operating Company LLCJan 2022 to Mar 2022Javelin Energy Partners Mgmt LLCApr 2022 to Nov 2025Formentera Operations LLCDec 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on MCMAHON
API numberWell no.Status
42-439-346317Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Energy Trans Crude Marketing LLCCondensateGathers100Jan 1, 2024–
Javelin Marketing, LLCGas-well gasBuys100Nov 1, 2023–
Enlink Midstream Services, LLCGas-well gasGathers100Nov 1, 2023–
Ptt Premier Trading and Tran LLCCondensateGathers100Nov 1, 2023Jan 1, 2024
Gulfmark Energy, Inc.CondensateGathers100Oct 1, 2018Nov 1, 2023
Enlink North Texas Gathering, LPGas-well gasGathers100Aug 1, 2014Nov 1, 2023
Devon Gas Services, L.p.Gas-well gasBuys100Apr 13, 2010Nov 1, 2023

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

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543.22 acres on the newest permit

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Permits for McMahon
API numberWell no.Acreson the permit
42-439-346317543.22

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

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36 months, newest first

Ledger for MCMAHON
MonthGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Formentera Operations2,1932,1930$80.46$2.89
Jun 2026Formentera Operations4434430$84.81$3.15
May 2026Formentera Operations1,3931,3930$102.13$2.94
Apr 2026Formentera Operations000$100.32$2.77
Mar 2026Formentera Operations000$91.38$3.04
Feb 2026Formentera Operations000$64.51$3.62
Jan 2026Formentera Operations3103100$60.04$7.72
Dec 2025Formentera Operations1,3301,3300$57.97$4.26
Nov 2025Javelin Energy1,3601,3600$60.06$3.79
Oct 2025Javelin Energy1,1651,1650$60.89$3.19
Sep 2025Javelin Energy1,4291,4290$63.96$2.97
Aug 2025Javelin Energy1,3551,3550$64.86$2.91
Jul 2025Javelin Energy2,2582,2580$68.39$3.20
Jun 2025Javelin Energy1,0521,0520$68.17$3.02
May 2025Javelin Energy1,1871,1870$62.17$3.12
Apr 2025Javelin Energy1,0661,0660$63.54$3.42
Mar 2025Javelin Energy4344340$68.24$4.12
Feb 2025Javelin Energy3553550$71.53$4.19
Jan 2025Javelin Energy1,1651,1650$75.74$4.13
Dec 2024Javelin Energy1,1381,1380$70.12$3.01
Nov 2024Javelin Energy1,0281,0280$69.95$2.12
Oct 2024Javelin Energy79790$71.99$2.20
Sep 2024Javelin Energy3523520$70.24$2.28
Aug 2024Javelin Energy1,2511,2510$76.68$1.99
Jul 2024Javelin Energy3463460$81.80$2.07
Jun 2024Javelin Energy3833830$79.77$2.54
May 2024Javelin Energy1,4241,4240$80.02$2.12
Apr 2024Javelin Energy1,1181,1180$85.35$1.60
Mar 2024Javelin Energy4524520$81.28$1.49
Feb 2024Javelin Energy8958950$77.25$1.72
Jan 2024Javelin Energy70700$74.15$3.18
Dec 2023Javelin Energy5985980$71.90$2.52
Nov 2023Javelin Energy6076070$77.69$2.71
Oct 2023Javelin Energy6156150$85.64$2.98
Sep 2023Javelin Energy6276270$89.43$2.64
Aug 2023Javelin Energy3133130$81.39$2.58

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

OperatorFormentera Operations LLCFieldNewark, East (Barnett Shale)CountyTarrant County

Formentera Operations LLC in Tarrant County

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Newark, East (Barnett Shale) field

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