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Texas oil lease

Producing

BARTZ 19B

Bartz 19B is an oil lease in Wheeler County, Texas, operated by Formentera Operations LLC in the Mills Ranch (Granite Wash Cons.) field.

1 well

2,837bbl oil, last 12 months+52% vs prior year
Operator
Formentera Operations LLC
County
Wheeler County
Field
Mills Ranch (Granite Wash Cons.)
RRC lease
10-08992

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Where it sits

This county

Wheeler CountyWheelerGrayHemphillRobertsWheeler County
Wheeler County
Gas, last 12 months
19,237 mcf
Oil in Jul 2026
328 bbl

Production by month

Oil output rose 52% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 52% over the last 12 monthsMonthly oil production and gas for BARTZ 19B, Aug 2023 to Jul 2026. Oil output rose 52% over the last 12 months. 2,837 bbl in the 12 months through Jul 2026, against 1,867 bbl in the 12 months before.Last 12 months: 2,837 bblbbl per monthmcf per month001005002001,0003001,5004002,0005002,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 52% over the last 12 monthsMonthly oil production and gas for BARTZ 19B, Aug 2023 to Jul 2026. Oil output rose 52% over the last 12 months. 2,837 bbl in the 12 months through Jul 2026, against 1,867 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001005002001,0003001,5004002,0005002,500Jan 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 BARTZ 19B 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 BARTZ 19B 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% · 15,687 mcf

  • Lease fuel (1)

    18% · 3,550 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 BARTZ 19B
API numberWell no.Status
42-483-337922419HActive

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 3, 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

320 acres on the newest permit

Permits for Bartz 19B
API numberWell no.Acreson the permit
42-483-337922419H320

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for BARTZ 19B
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Formentera Operations3281811,5301,2340$80.46$2.89
Jun 2026Formentera Operations3323581,5601,2620$84.81$3.15
May 2026Formentera Operations2092011,6561,3380$102.13$2.94
Apr 2026Formentera Operations2511991,6981,3810$100.32$2.77
Mar 2026Formentera Operations2282611,8451,5100$91.38$3.04
Feb 2026Formentera Operations3073741,4891,2250$64.51$3.62
Jan 2026Formentera Operations2352621,8761,5180$60.04$7.72
Dec 2025Formentera Operations1962011,8221,4920$57.97$4.26
Nov 2025Formentera Operations1842001,5571,2700$60.06$3.79
Oct 2025Formentera Operations1991991,4141,1570$60.89$3.19
Sep 2025Formentera Operations168571,3331,0920$63.96$2.97
Aug 2025Formentera Operations2002221,4571,2080$64.86$2.91
Jul 2025Formentera Operations1571881,4061,1210$68.39$3.20
Jun 2025Formentera Operations1541981,5361,2110$68.17$3.02
May 2025Formentera Operations1492051,6401,3520$62.17$3.12
Apr 2025Formentera Operations3192001,5481,2740$63.54$3.42
Mar 2025Formentera Operations2373171,6741,3860$68.24$4.12
Feb 2025Formentera Operations13091,5711,3010$71.53$4.19
Jan 2025Formentera Operations2323842,0041,6420$75.74$4.13
Dec 2024Formentera Operations11481,7701,4630$70.12$3.01
Nov 2024Formentera Operations1761941,5131,2310$69.95$2.12
Oct 2024Formentera Operations64101,5091,2370$71.99$2.20
Sep 2024Formentera Operations571731,4471,1970$70.24$2.28
Aug 2024Formentera Operations7861,5521,2950$76.68$1.99
Jul 2024Formentera Operations2481951,6401,3620$81.80$2.07
Jun 2024Formentera Operations1072571,4381,1670$79.77$2.54
May 2024Formentera Operations16581,5171,2430$80.02$2.12
Apr 2024Formentera Operations1371921,5991,3180$85.35$1.60
Mar 2024Formentera Operations1851991,9311,5930$81.28$1.49
Feb 2024Formentera Operations2593902,0131,6650$77.25$1.72
Jan 2024Formentera Operations18491,7521,3760$74.15$3.18
Dec 2023Formentera Operations1881811,9431,6040$71.90$2.52
Nov 2023Formentera Operations1501851,7881,4780$77.69$2.71
Oct 2023Formentera Operations1362041,5661,3010$85.64$2.98
Sep 2023Formentera Operations2021941,3961,1690$89.43$2.64
Aug 2023Formentera Operations2001891,7241,4290$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

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