Skip to content
Royalty Clerk

Texas oil lease

Producing

STILES 4B

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

1 well

391bbl oil, last 12 months−34% vs prior year
RRC lease
10-09048

Is your check right?

Check my statement

Where it sits

This county

Wheeler CountyWheelerGrayHemphillRobertsWheeler County
Wheeler County
Gas, last 12 months
30,414 mcf
Oil in Jul 2026
13 bbl

Production by month

Oil output fell 34% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 34% over the last 12 monthsMonthly oil production and gas for STILES 4B, Aug 2023 to Jul 2026. Oil output fell 34% over the last 12 months. 391 bbl in the 12 months through Jul 2026, against 592 bbl in the 12 months before.Last 12 months: 391 bblbbl per monthmcf per month00201,000402,000603,000804,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 34% over the last 12 monthsMonthly oil production and gas for STILES 4B, Aug 2023 to Jul 2026. Oil output fell 34% over the last 12 months. 391 bbl in the 12 months through Jul 2026, against 592 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00201,000402,000603,000804,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

81% of the gas went to a transmission line in the last 12 months

  • Transmission line (2)
  • Lease fuel (1)
81% of the gas went to a transmission line in the last 12 monthsShare of STILES 4B gas by disposition code each month, Aug 2023 to Jul 2026. 81% 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
81% of the gas went to a transmission line in the last 12 monthsShare of STILES 4B gas by disposition code each month, Aug 2023 to Jul 2026. 81% 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)

    81% · 24,770 mcf

  • Lease fuel (1)

    19% · 5,644 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 4B
API numberWell no.Status
42-483-335261804HActive

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.OilGathers100Jan 1, 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).

40 acres on the newest permit

Permits for Stiles 4B
API numberWell no.Acreson the permit
42-483-335261804H40

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

Estimate your royalty

36 months, newest first

Ledger for STILES 4B
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Formentera Operations1342,2831,8390$80.46$2.89
Jun 2026Formentera Operations121142,4551,9870$84.81$3.15
May 2026Formentera Operations17102,1661,7500$102.13$2.94
Apr 2026Formentera Operations40152,4712,0090$100.32$2.77
Mar 2026Formentera Operations33142,5762,1070$91.38$3.04
Feb 2026Formentera Operations37132,7672,2770$64.51$3.62
Jan 2026Formentera Operations43192,6052,0640$60.04$7.72
Dec 2025Formentera Operations571543,3362,7320$57.97$4.26
Nov 2025Formentera Operations40132,7972,2800$60.06$3.79
Oct 2025Formentera Operations33192,2221,8200$60.89$3.19
Sep 2025Formentera Operations3292,1431,7540$63.96$2.97
Aug 2025Formentera Operations34142,5932,1510$64.86$2.91
Jul 2025Formentera Operations41163,0212,4020$68.39$3.20
Jun 2025Formentera Operations371342,3571,8470$68.17$3.02
May 2025Formentera Operations51233,1122,5650$62.17$3.12
Apr 2025Formentera Operations53202,4702,0320$63.54$3.42
Mar 2025Formentera Operations45163,4582,8620$68.24$4.12
Feb 2025Formentera Operations31142,7472,2630$71.53$4.19
Jan 2025Formentera Operations491553,3562,7380$75.74$4.13
Dec 2024Formentera Operations59173,3742,7880$70.12$3.01
Nov 2024Formentera Operations54233,3692,7410$69.95$2.12
Oct 2024Formentera Operations691713,3912,7800$71.99$2.20
Sep 2024Formentera Operations56193,4942,8900$70.24$2.28
Aug 2024Formentera Operations47143,3702,8050$76.68$1.99
Jul 2024Formentera Operations47173,2732,7190$81.80$2.07
Jun 2024Formentera Operations401952,8262,2940$79.77$2.54
May 2024Formentera Operations65173,2382,6540$80.02$2.12
Apr 2024Formentera Operations67173,1292,5780$85.35$1.60
Mar 2024Formentera Operations58193,2892,7140$81.28$1.49
Feb 2024Formentera Operations55213,2572,6940$77.25$1.72
Jan 2024Formentera Operations531832,8672,3530$74.15$3.18
Dec 2023Formentera Operations51203,3602,7740$71.90$2.52
Nov 2023Formentera Operations72273,3832,7960$77.69$2.71
Oct 2023Formentera Operations70253,5562,9550$85.64$2.98
Sep 2023Formentera Operations571943,0452,5470$89.43$2.64
Aug 2023Formentera Operations56123,3252,7560$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

Do your checks match this lease?

Nearby

Formentera Operations LLC in Wheeler County

All Formentera Operations LLC leases →

Mills Ranch (Granite Wash Cons.) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km