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Texas gas well

Producing

SYLVESTER

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

1 well

4,136mcf gas, last 12 months+3% vs prior year
RRC lease
09-215970

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Where it sits

This county

Johnson CountyJohnsonHoodHillEllisTarrantDallasParkerSomervellJohnson County
Johnson County
Gas in Jul 2026
303 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 held steady over the last 12 months

  • Gas (bars)
  • Last 12 months
Gas output held steady over the last 12 monthsMonthly gas production for SYLVESTER, Aug 2023 to Jul 2026. Gas output held steady over the last 12 months. 4,136 mcf in the 12 months through Jul 2026, against 4,034 mcf in the 12 months before.Last 12 months: 4,136 mcfmcf per month02505007501,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output held steady over the last 12 monthsMonthly gas production for SYLVESTER, Aug 2023 to Jul 2026. Gas output held steady over the last 12 months. 4,136 mcf in the 12 months through Jul 2026, against 4,034 mcf in the 12 months before.Last 12 monthsmcf per month02505007501,000Jan 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 SYLVESTER 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 SYLVESTER 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 SYLVESTER
API numberWell no.Status
42-251-305861Active

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 gasBuys100May 22, 2006Nov 1, 2023

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

183.25 acres on the newest permit

  • Good to know

    A pooling certificate (P-12) was filed

    Your tract may share its production with neighbors in a pooled unit. The unit acres the operator uses to divide production can differ from the acreage on one permit.

Check your decimal on this lease
Permits for Sylvester
API numberWell no.Acreson the permit
42-251-305861183.25

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

Estimate your royalty

36 months, newest first

Ledger for SYLVESTER
MonthGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Formentera Operations3033030$80.46$2.89
Jun 2026Formentera Operations3073070$84.81$3.15
May 2026Formentera Operations3563560$102.13$2.94
Apr 2026Formentera Operations3903900$100.32$2.77
Mar 2026Formentera Operations4484480$91.38$3.04
Feb 2026Formentera Operations3883880$64.51$3.62
Jan 2026Formentera Operations3883880$60.04$7.72
Dec 2025Formentera Operations2842840$57.97$4.26
Nov 2025Javelin Energy2702700$60.06$3.79
Oct 2025Javelin Energy3933930$60.89$3.19
Sep 2025Javelin Energy2692690$63.96$2.97
Aug 2025Javelin Energy3403400$64.86$2.91
Jul 2025Javelin Energy4444440$68.39$3.20
Jun 2025Javelin Energy2492490$68.17$3.02
May 2025Javelin Energy1301300$62.17$3.12
Apr 2025Javelin Energy1341340$63.54$3.42
Mar 2025Javelin Energy2082080$68.24$4.12
Feb 2025Javelin Energy000$71.53$4.19
Jan 2025Javelin Energy1761760$75.74$4.13
Dec 2024Javelin Energy3963960$70.12$3.01
Nov 2024Javelin Energy4534530$69.95$2.12
Oct 2024Javelin Energy5555550$71.99$2.20
Sep 2024Javelin Energy5895890$70.24$2.28
Aug 2024Javelin Energy7007000$76.68$1.99
Jul 2024Javelin Energy7207200$81.80$2.07
Jun 2024Javelin Energy7107100$79.77$2.54
May 2024Javelin Energy7357350$80.02$2.12
Apr 2024Javelin Energy7527520$85.35$1.60
Mar 2024Javelin Energy6166160$81.28$1.49
Feb 2024Javelin Energy5425420$77.25$1.72
Jan 2024Javelin Energy6806800$74.15$3.18
Dec 2023Javelin Energy7857850$71.90$2.52
Nov 2023Javelin Energy7527520$77.69$2.71
Oct 2023Javelin Energy7857850$85.64$2.98
Sep 2023Javelin Energy8088080$89.43$2.64
Aug 2023Javelin Energy8048040$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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