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Texas gas well

Producing

SANDEFUR, R. V.

Sandefur, R. V. is a gas well in Johnson County, Texas, operated by Formentera Operations LLC in the Newark, East (Barnett Shale) field.

1 well

9,868mcf gas, last 12 months−8% vs prior year
RRC lease
09-197127

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Where it sits

This county

Johnson CountyJohnsonHoodHillEllisTarrantDallasParkerSomervellJohnson County
Johnson County
Gas in Jul 2026
790 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 8% over the last 12 months

  • Gas (bars)
  • Last 12 months
Gas output fell 8% over the last 12 monthsMonthly gas production for SANDEFUR, R. V., Aug 2023 to Jul 2026. Gas output fell 8% over the last 12 months. 9,868 mcf in the 12 months through Jul 2026, against 10,679 mcf in the 12 months before.Last 12 months: 9,868 mcfmcf per month02505007501,0001,250Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 8% over the last 12 monthsMonthly gas production for SANDEFUR, R. V., Aug 2023 to Jul 2026. Gas output fell 8% over the last 12 months. 9,868 mcf in the 12 months through Jul 2026, against 10,679 mcf in the 12 months before.Last 12 monthsmcf per month02505007501,0001,250Jan 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 SANDEFUR, R. V. 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 SANDEFUR, R. V. 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 SANDEFUR, R. V.
API numberWell no.Status
42-251-301161Active

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 gasGathers100Jun 1, 2014–
Ptt Premier Trading and Tran LLCCondensateGathers100Nov 1, 2023Jan 1, 2024
Gulfmark Energy, Inc.CondensateGathers100Oct 1, 2018Nov 1, 2023
Devon Gas Services, L.p.Gas-well gasBuys100Oct 20, 2003Nov 1, 2023

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

757.63 acres on the newest permit

Permits for Sandefur, R. V.
API numberWell no.Acreson the permit
42-251-301161757.63

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

Estimate your royalty

36 months, newest first

Ledger for SANDEFUR, R. V.
MonthGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Formentera Operations7907900$80.46$2.89
Jun 2026Formentera Operations7687680$84.81$3.15
May 2026Formentera Operations8118110$102.13$2.94
Apr 2026Formentera Operations7807800$100.32$2.77
Mar 2026Formentera Operations8288280$91.38$3.04
Feb 2026Formentera Operations7607600$64.51$3.62
Jan 2026Formentera Operations8648640$60.04$7.72
Dec 2025Formentera Operations8878870$57.97$4.26
Nov 2025Javelin Energy8328320$60.06$3.79
Oct 2025Javelin Energy8608600$60.89$3.19
Sep 2025Javelin Energy8328320$63.96$2.97
Aug 2025Javelin Energy8568560$64.86$2.91
Jul 2025Javelin Energy8518510$68.39$3.20
Jun 2025Javelin Energy8338330$68.17$3.02
May 2025Javelin Energy8708700$62.17$3.12
Apr 2025Javelin Energy8608600$63.54$3.42
Mar 2025Javelin Energy8798790$68.24$4.12
Feb 2025Javelin Energy7917910$71.53$4.19
Jan 2025Javelin Energy9019010$75.74$4.13
Dec 2024Javelin Energy9199190$70.12$3.01
Nov 2024Javelin Energy8938930$69.95$2.12
Oct 2024Javelin Energy9699690$71.99$2.20
Sep 2024Javelin Energy9489480$70.24$2.28
Aug 2024Javelin Energy9659650$76.68$1.99
Jul 2024Javelin Energy9759750$81.80$2.07
Jun 2024Javelin Energy9639630$79.77$2.54
May 2024Javelin Energy1,0331,0330$80.02$2.12
Apr 2024Javelin Energy9909900$85.35$1.60
Mar 2024Javelin Energy1,0401,0400$81.28$1.49
Feb 2024Javelin Energy9799790$77.25$1.72
Jan 2024Javelin Energy1,0441,0440$74.15$3.18
Dec 2023Javelin Energy1,0791,0790$71.90$2.52
Nov 2023Javelin Energy1,0811,0810$77.69$2.71
Oct 2023Javelin Energy1,1211,1210$85.64$2.98
Sep 2023Javelin Energy1,1531,1530$89.43$2.64
Aug 2023Javelin Energy1,2081,2080$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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Nearby

Formentera Operations LLC in Johnson County

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Newark, East (Barnett Shale) field

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