Skip to content
Royalty Clerk

Texas gas well

Producing

MAHAFFEY, SUE

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

1 well

65,195mcf gas, last 12 months−9% vs prior year
Operator
Formentera Operations LLC
County
Johnson County
Field
Newark, East (Barnett Shale)
RRC lease
09-227651

Is your check right?

Check my statement

Where it sits

This county

Johnson CountyJohnsonHoodHillEllisTarrantDallasParkerSomervellJohnson County
Johnson County
Gas in Jul 2026
5,443 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.

See why checks stop on this lease

Production by month

Gas output fell 9% over the last 12 months

  • Gas (bars)
  • Last 12 months
Gas output fell 9% over the last 12 monthsMonthly gas production for MAHAFFEY, SUE, Aug 2023 to Jul 2026. Gas output fell 9% over the last 12 months. 65,195 mcf in the 12 months through Jul 2026, against 71,566 mcf in the 12 months before.Last 12 months: 65,195 mcfmcf per month02,0004,0006,0008,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 9% over the last 12 monthsMonthly gas production for MAHAFFEY, SUE, Aug 2023 to Jul 2026. Gas output fell 9% over the last 12 months. 65,195 mcf in the 12 months through Jul 2026, against 71,566 mcf in the 12 months before.Last 12 monthsmcf per month02,0004,0006,0008,000Jan 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 MAHAFFEY, SUE 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 MAHAFFEY, SUE 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 MAHAFFEY, SUE
API numberWell no.Status
42-251-310483Active

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 gasBuys100Jul 3, 2007Nov 1, 2023

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

Who buys my oilOil price check

690 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 Mahaffey, Sue
API numberWell no.Acreson the permit
42-251-310483690

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for MAHAFFEY, SUE
MonthGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Formentera Operations5,4435,4430$80.46$2.89
Jun 2026Formentera Operations5,2655,2650$84.81$3.15
May 2026Formentera Operations5,6275,6270$102.13$2.94
Apr 2026Formentera Operations5,2425,2420$100.32$2.77
Mar 2026Formentera Operations5,4945,4940$91.38$3.04
Feb 2026Formentera Operations5,0265,0260$64.51$3.62
Jan 2026Formentera Operations5,5585,5580$60.04$7.72
Dec 2025Formentera Operations5,6135,6130$57.97$4.26
Nov 2025Javelin Energy5,2075,2070$60.06$3.79
Oct 2025Javelin Energy5,5355,5350$60.89$3.19
Sep 2025Javelin Energy5,3875,3870$63.96$2.97
Aug 2025Javelin Energy5,7985,7980$64.86$2.91
Jul 2025Javelin Energy5,9035,9030$68.39$3.20
Jun 2025Javelin Energy5,9045,9040$68.17$3.02
May 2025Javelin Energy5,8865,8860$62.17$3.12
Apr 2025Javelin Energy5,7035,7030$63.54$3.42
Mar 2025Javelin Energy6,0816,0810$68.24$4.12
Feb 2025Javelin Energy5,5105,5100$71.53$4.19
Jan 2025Javelin Energy5,9855,9850$75.74$4.13
Dec 2024Javelin Energy6,0886,0880$70.12$3.01
Nov 2024Javelin Energy5,7095,7090$69.95$2.12
Oct 2024Javelin Energy6,2936,2930$71.99$2.20
Sep 2024Javelin Energy6,1006,1000$70.24$2.28
Aug 2024Javelin Energy6,4046,4040$76.68$1.99
Jul 2024Javelin Energy6,4566,4560$81.80$2.07
Jun 2024Javelin Energy5,9235,9230$79.77$2.54
May 2024Javelin Energy5,6055,6050$80.02$2.12
Apr 2024Javelin Energy6,4436,4430$85.35$1.60
Mar 2024Javelin Energy6,7966,7960$81.28$1.49
Feb 2024Javelin Energy5,9825,9820$77.25$1.72
Jan 2024Javelin Energy5,6885,6880$74.15$3.18
Dec 2023Javelin Energy5,9285,9280$71.90$2.52
Nov 2023Javelin Energy5,9905,9900$77.69$2.71
Oct 2023Javelin Energy5,7935,7930$85.64$2.98
Sep 2023Javelin Energy6,7536,7530$89.43$2.64
Aug 2023Javelin Energy7,0307,0300$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

How to check your stub against this lease Checks stopped on this lease? See the likely reasons

Do your checks match this lease?

Check my statement

Nearby

This lease belongs to

OperatorFormentera Operations LLCFieldNewark, East (Barnett Shale)CountyJohnson County

Formentera Operations LLC in Johnson County

All Formentera Operations LLC leases →

Newark, East (Barnett Shale) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km