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STILES 4D

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

1 well

260bbl oil, last 12 months−47% vs prior year
Operator
Formentera Operations LLC
County
Wheeler County
Field
Mills Ranch (Granite Wash Cons.)
RRC lease
10-09026

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Where it sits

This county

Wheeler CountyWheelerGrayHemphillRobertsWheeler County
Wheeler County
Gas, last 12 months
8,167 mcf
Oil in Jul 2026
17 bbl

Production by month

Oil output fell 47% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 47% over the last 12 monthsMonthly oil production and gas for STILES 4D, Aug 2023 to Jul 2026. Oil output fell 47% over the last 12 months. 260 bbl in the 12 months through Jul 2026, against 494 bbl in the 12 months before.Last 12 months: 260 bblbbl per monthmcf per month0020500401,000601,500802,0001002,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 47% over the last 12 monthsMonthly oil production and gas for STILES 4D, Aug 2023 to Jul 2026. Oil output fell 47% over the last 12 months. 260 bbl in the 12 months through Jul 2026, against 494 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0020500401,000601,500802,0001002,500Jan 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 4D 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 4D 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% · 6,684 mcf

  • Lease fuel (1)

    18% · 1,483 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 4D
API numberWell no.Status
42-483-337902004HActive

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 27, 2014Nov 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

Permits for Stiles 4D
API numberWell no.Acreson the permit
42-483-337902004H40

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

Unit decimal checker

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36 months, newest first

Ledger for STILES 4D
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Formentera Operations17164263450$80.46$2.89
Jun 2026Formentera Operations14173112520$84.81$3.15
May 2026Formentera Operations12113392730$102.13$2.94
Apr 2026Formentera Operations14154123350$100.32$2.77
Mar 2026Formentera Operations17184974060$91.38$3.04
Feb 2026Formentera Operations20244313550$64.51$3.62
Jan 2026Formentera Operations27216795550$60.04$7.72
Dec 2025Formentera Operations38275364400$57.97$4.26
Nov 2025Formentera Operations19201,0768770$60.06$3.79
Oct 2025Formentera Operations26311,0588650$60.89$3.19
Sep 2025Formentera Operations28221,1629530$63.96$2.97
Aug 2025Formentera Operations28311,2401,0280$64.86$2.91
Jul 2025Formentera Operations36381,2741,0130$68.39$3.20
Jun 2025Formentera Operations33321,1589130$68.17$3.02
May 2025Formentera Operations39411,2611,0400$62.17$3.12
Apr 2025Formentera Operations38381,1249250$63.54$3.42
Mar 2025Formentera Operations38411,0328540$68.24$4.12
Feb 2025Formentera Operations34359467890$71.53$4.19
Jan 2025Formentera Operations48501,0398480$75.74$4.13
Dec 2024Formentera Operations44361,2121,0020$70.12$3.01
Nov 2024Formentera Operations45451,1799590$69.95$2.12
Oct 2024Formentera Operations49511,3681,1220$71.99$2.20
Sep 2024Formentera Operations51521,8471,5280$70.24$2.28
Aug 2024Formentera Operations39351,7441,4530$76.68$1.99
Jul 2024Formentera Operations45451,7221,4310$81.80$2.07
Jun 2024Formentera Operations38461,6581,3450$79.77$2.54
May 2024Formentera Operations54501,8031,4780$80.02$2.12
Apr 2024Formentera Operations47581,9221,5840$85.35$1.60
Mar 2024Formentera Operations56412,1411,7670$81.28$1.49
Feb 2024Formentera Operations38371,6411,3570$77.25$1.72
Jan 2024Formentera Operations45681,6371,2620$74.15$3.18
Dec 2023Formentera Operations72611,7851,4740$71.90$2.52
Nov 2023Formentera Operations60532,1501,7770$77.69$2.71
Oct 2023Formentera Operations58512,3921,9880$85.64$2.98
Sep 2023Formentera Operations48501,7991,5090$89.43$2.64
Aug 2023Formentera Operations36431,1269330$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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Nearby

This lease belongs to

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

Formentera Operations LLC in Wheeler County

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Mills Ranch (Granite Wash Cons.) field

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