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Texas gas well

Producing

GRISWELL-NOWLIN (SA)

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

1 well

24,038mcf gas, last 12 months−13% vs prior year
Operator
Formentera Operations LLC
County
Johnson County
Field
Newark, East (Barnett Shale)
RRC lease
09-254162

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Where it sits

This county

Johnson CountyJohnsonHoodHillEllisTarrantDallasParkerSomervellJohnson County
Johnson County
Gas in Jul 2026
2,023 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 13% over the last 12 months

  • Gas (bars)
  • Last 12 months
Gas output fell 13% over the last 12 monthsMonthly gas production for GRISWELL-NOWLIN (SA), Aug 2023 to Jul 2026. Gas output fell 13% over the last 12 months. 24,038 mcf in the 12 months through Jul 2026, against 27,698 mcf in the 12 months before.Last 12 months: 24,038 mcfmcf per month01,0002,0003,0004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 13% over the last 12 monthsMonthly gas production for GRISWELL-NOWLIN (SA), Aug 2023 to Jul 2026. Gas output fell 13% over the last 12 months. 24,038 mcf in the 12 months through Jul 2026, against 27,698 mcf in the 12 months before.Last 12 monthsmcf per month01,0002,0003,0004,000Jan 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 GRISWELL-NOWLIN (SA) 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 GRISWELL-NOWLIN (SA) 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 GRISWELL-NOWLIN (SA)
API numberWell no.Status
42-251-333241Active

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 gasBuys100Nov 21, 2008Nov 1, 2023

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

Who buys my oilOil price check

1,016.69 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.

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for Griswell-Nowlin (Sa)
API numberWell no.Acreson the permit
42-251-3332411,016.69

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

Unit decimal checker

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36 months, newest first

Ledger for GRISWELL-NOWLIN (SA)
MonthGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Formentera Operations2,0232,0230$80.46$2.89
Jun 2026Formentera Operations2,0402,0400$84.81$3.15
May 2026Formentera Operations2,1482,1480$102.13$2.94
Apr 2026Formentera Operations2,0622,0620$100.32$2.77
Mar 2026Formentera Operations1,6481,6480$91.38$3.04
Feb 2026Formentera Operations1,2521,2520$64.51$3.62
Jan 2026Formentera Operations1,7881,7880$60.04$7.72
Dec 2025Formentera Operations2,1992,1990$57.97$4.26
Nov 2025Javelin Energy2,1682,1680$60.06$3.79
Oct 2025Javelin Energy2,2712,2710$60.89$3.19
Sep 2025Javelin Energy2,2232,2230$63.96$2.97
Aug 2025Javelin Energy2,2162,2160$64.86$2.91
Jul 2025Javelin Energy2,2722,2720$68.39$3.20
Jun 2025Javelin Energy2,1882,1880$68.17$3.02
May 2025Javelin Energy1,7161,7160$62.17$3.12
Apr 2025Javelin Energy2,0952,0950$63.54$3.42
Mar 2025Javelin Energy2,3222,3220$68.24$4.12
Feb 2025Javelin Energy2,1222,1220$71.53$4.19
Jan 2025Javelin Energy2,6302,6300$75.74$4.13
Dec 2024Javelin Energy2,3482,3480$70.12$3.01
Nov 2024Javelin Energy2,5862,5860$69.95$2.12
Oct 2024Javelin Energy2,6862,6860$71.99$2.20
Sep 2024Javelin Energy2,3502,3500$70.24$2.28
Aug 2024Javelin Energy2,3832,3830$76.68$1.99
Jul 2024Javelin Energy2,3932,3930$81.80$2.07
Jun 2024Javelin Energy2,4212,4210$79.77$2.54
May 2024Javelin Energy2,5882,5880$80.02$2.12
Apr 2024Javelin Energy2,6282,6280$85.35$1.60
Mar 2024Javelin Energy2,6882,6880$81.28$1.49
Feb 2024Javelin Energy2,3682,3680$77.25$1.72
Jan 2024Javelin Energy2,3322,3320$74.15$3.18
Dec 2023Javelin Energy2,7272,7270$71.90$2.52
Nov 2023Javelin Energy2,6452,6450$77.69$2.71
Oct 2023Javelin Energy2,8482,8480$85.64$2.98
Sep 2023Javelin Energy2,8172,8170$89.43$2.64
Aug 2023Javelin Energy2,8492,8490$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)CountyJohnson County

Formentera Operations LLC in Johnson County

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Newark, East (Barnett Shale) field

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