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Texas oil lease

Producing

STILES 4

Stiles 4 is an oil lease in Wheeler County, Texas, operated by Formentera Operations LLC in the Mills Ranch (Granite Wash Cons.) field.

1 well

473bbl oil, last 12 months−37% vs prior year
Operator
Formentera Operations LLC
County
Wheeler County
Field
Mills Ranch (Granite Wash Cons.)
RRC lease
10-08797

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Where it sits

This county

Wheeler CountyWheelerGrayHemphillRobertsWheeler County
Wheeler County
Gas, last 12 months
16,009 mcf
Oil in Jul 2026
22 bbl

Production by month

Oil output fell 37% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 37% over the last 12 monthsMonthly oil production and gas for STILES 4, Aug 2023 to Jul 2026. Oil output fell 37% over the last 12 months. 473 bbl in the 12 months through Jul 2026, against 748 bbl in the 12 months before.Last 12 months: 473 bblbbl per monthmcf per month0025500501,000751,5001002,0001252,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 37% over the last 12 monthsMonthly oil production and gas for STILES 4, Aug 2023 to Jul 2026. Oil output fell 37% over the last 12 months. 473 bbl in the 12 months through Jul 2026, against 748 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0025500501,000751,5001002,0001252,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

82% of the gas went to a transmission line in the last 12 months

  • Transmission line (2)
  • Lease fuel (1)
82% of the gas went to a transmission line in the last 12 monthsShare of STILES 4 gas by disposition code each month, Aug 2023 to Jul 2026. 82% 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
82% of the gas went to a transmission line in the last 12 monthsShare of STILES 4 gas by disposition code each month, Aug 2023 to Jul 2026. 82% 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.

  • Transmission line (2)

    82% · 13,083 mcf

  • Lease fuel (1)

    18% · 2,926 mcf

Who has run this lease

The operator changed once, most recently in Jun 2021

Operators of this lease over timeTapstone Energy, LLC, Jan 2020 to May 2021; Formentera Operations LLC, Jun 2021 to Jul 20262020202120222023202420252026Changed Jun 2021Tapstone Energy, LLCJan 2020 to May 2021Formentera Operations LLCJun 2021 to now
Operators of this lease over timeTapstone Energy, LLC, Jan 2020 to May 2021; Formentera Operations LLC, Jun 2021 to Jul 20262020202120222023202420252026Changed Jun 2021Tapstone Energy, LLCJan 2020 to May 2021Formentera Operations LLCJun 2021 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on STILES 4
API numberWell no.Status
42-483-336041704HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Energy Trans Crude Marketing LLCOilGathers50Nov 19, 2025–
Plains Marketing, L.p.OilGathers50Nov 19, 2025–
Formentera Operations LLCCasinghead gasBuys100Jul 1, 2021–
Energy Transfer CompanyCasinghead gasGathers100Oct 1, 2023–
Plains Marketing, L.p.OilGathers100Feb 4, 2013Nov 19, 2025
Enable Gas Gathering, LLCCasinghead gasGathers100Jan 1, 2015Oct 1, 2023
Tapstone Energy, LLCCasinghead gasBuys100Jan 1, 2015Jul 1, 2021

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

Who buys my oilOil price check

40 acres on the newest permit

A pooling certificate was filed

Permits for Stiles 4
API numberWell no.Acreson the permit
42-483-336041704H40

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for STILES 4
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Formentera Operations2221,1229050$80.46$2.89
Jun 2026Formentera Operations301209647800$84.81$3.15
May 2026Formentera Operations3551,1389190$102.13$2.94
Apr 2026Formentera Operations3771,2119850$100.32$2.77
Mar 2026Formentera Operations4581,4931,2220$91.38$3.04
Feb 2026Formentera Operations341751,1779680$64.51$3.62
Jan 2026Formentera Operations3591,2341,0130$60.04$7.72
Dec 2025Formentera Operations7681,5461,2660$57.97$4.26
Nov 2025Formentera Operations3091,3671,1150$60.06$3.79
Oct 2025Formentera Operations611081,6061,3130$60.89$3.19
Sep 2025Formentera Operations4681,5881,3010$63.96$2.97
Aug 2025Formentera Operations221841,5631,2960$64.86$2.91
Jul 2025Formentera Operations58112,0411,6240$68.39$3.20
Jun 2025Formentera Operations41111,7251,3610$68.17$3.02
May 2025Formentera Operations42121,6331,3460$62.17$3.12
Apr 2025Formentera Operations541961,6121,3270$63.54$3.42
Mar 2025Formentera Operations8592,1451,7750$68.24$4.12
Feb 2025Formentera Operations3981,6231,3460$71.53$4.19
Jan 2025Formentera Operations110111,9901,6240$75.74$4.13
Dec 2024Formentera Operations56112,2731,8820$70.12$3.01
Nov 2024Formentera Operations891992,0151,6390$69.95$2.12
Oct 2024Formentera Operations80152,2931,8800$71.99$2.20
Sep 2024Formentera Operations4761,2781,0580$70.24$2.28
Aug 2024Formentera Operations471921,7261,4420$76.68$1.99
Jul 2024Formentera Operations5891,6131,3400$81.80$2.07
Jun 2024Formentera Operations2551,4771,1990$79.77$2.54
May 2024Formentera Operations5481,6031,3140$80.02$2.12
Apr 2024Formentera Operations741856265140$85.35$1.60
Mar 2024Formentera Operations1333572940$81.28$1.49
Feb 2024Formentera Operations3169207610$77.25$1.72
Jan 2024Formentera Operations5936205100$74.15$3.18
Dec 2023Formentera Operations4158817270$71.90$2.52
Nov 2023Formentera Operations381639567900$77.69$2.71
Oct 2023Formentera Operations3056885720$85.64$2.98
Sep 2023Formentera Operations4548937490$89.43$2.64
Aug 2023Formentera Operations7039637980$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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This lease belongs to

OperatorFormentera Operations LLCFieldMills Ranch (Granite Wash Cons.)CountyWheeler County

Formentera Operations LLC in Wheeler County

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