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WEST CHICO UNIT

West Chico Unit is an oil lease in Wise County, Texas, operated by Large Operating LLC in the Chico, West (Caddo Congl. Upper) field.

19 wells

110bbl oil, last 12 months+108% vs prior year
Operator
Large Operating LLC
County
Wise County
Field
Chico, West (Caddo Congl. Upper)
RRC lease
09-10334

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Where it sits

This county

Wise CountyWiseJackClayCookeMontagueDentonWise County
Wise County
Gas, last 12 months
10,285 mcf
Oil in Jun 2026
4 bbl

Checks stopped on this lease?

  • Sales

    No sales reported for the last 12 months of state data (through Jul 2026).

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Oil output rose 108% over the last 12 months

Jul 2026 was not reported.

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 108% over the last 12 monthsMonthly oil production and gas for WEST CHICO UNIT, Aug 2023 to Jul 2026. Oil output rose 108% over the last 12 months. 106 bbl in the 12 months through Jul 2026, against 51 bbl in the 12 months before.Last 12 months: 106 bblbbl per monthmcf per month005500101,000151,500202,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 108% over the last 12 monthsMonthly oil production and gas for WEST CHICO UNIT, Aug 2023 to Jul 2026. Oil output rose 108% over the last 12 months. 106 bbl in the 12 months through Jul 2026, against 51 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005500101,000151,500202,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to a processing plant in the last 12 months

All of the gas went to a processing plant in the last 12 monthsShare of WEST CHICO UNIT gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant 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 processing plant in the last 12 monthsShare of WEST CHICO UNIT gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant 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 2 times, most recently in Jun 2021

Operators of this lease over timeBig Mountain Operating LLC, Jan 2020 to Jul 2020; Everest Energy LLC, Aug 2020 to May 2021; Large Operating LLC, Jun 2021 to Jun 20262020202120222023202420252026Changed Aug 2020Changed Jun 2021Big Mountain Operating LLCJan 2020 to Jul 2020Everest Energy LLCAug 2020 to May 2021Large Operating LLCJun 2021 to now
Operators of this lease over timeBig Mountain Operating LLC, Jan 2020 to Jul 2020; Everest Energy LLC, Aug 2020 to May 2021; Large Operating LLC, Jun 2021 to Jun 20262020202120222023202420252026Changed Aug 2020Changed Jun 2021Big Mountain Operating LLCJan 2020 to Jul 2020Everest Energy LLCAug 2020 to May 2021Large Operating LLCJun 2021 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

19 wells on this lease

Wells on WEST CHICO UNIT
API numberWell no.Status
42-497-02209105Active
42-497-02211107Active
42-497-02532204Active
42-497-02534405Active
42-497-02544901WActive
42-497-02889603Active
42-497-04013301Active
42-497-04014602Active
42-497-32494715WActive
42-497-32631803Active
42-497-33096717Active
42-497-33259718Active
42-497-34454804Active
42-497-34468902Active
42-497-81180101Active
42-497-81185402Active
42-497-81186403Active
42-497-81188601WActive
42-497-81191703Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Sentinel Transportation, LLCOilGathers100Jul 1, 2007
Targa Midstream Services LLCCasinghead gasBuys100Oct 1, 2011
Targa Midstream Services LLCCasinghead gasGathers100Oct 1, 2011

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

Who buys my oilOil price check

1,669 acres on the newest permit

  • Good to know

    25 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

Check your decimal on this lease
Permits for West Chico Unit
API numberWell no.Acreson the permit
42-497-344689021,669
42-497-344548041,669
42-497-332597181,669
42-497-330967171,669
42-497-326318031,669
42-497-324947151,669
42-497-32494715W1,669
42-497-01392713S–
42-497-02209105–
42-497-02211107–
42-497-02532204–
42-497-02534405–

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

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36 months, newest first

Ledger for WEST CHICO UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026No report–––––$80.46$2.89
Jun 2026Large Operating404584580$84.81$3.15
May 2026Large Operating504634630$102.13$2.94
Apr 2026Large Operating504454450$100.32$2.77
Mar 2026Large Operating1901,8011,8010$91.38$3.04
Feb 2026Large Operating1901,8371,8370$64.51$3.62
Jan 2026Large Operating1801,7281,7280$60.04$7.72
Dec 2025Large Operating1009419410$57.97$4.26
Nov 2025Large Operating1401,3191,3190$60.06$3.79
Oct 2025Large Operating403413410$60.89$3.19
Sep 2025Large Operating403153150$63.96$2.97
Aug 2025Large Operating403143140$64.86$2.91
Jul 2025Large Operating403233230$68.39$3.20
Jun 2025Large Operating005865860$68.17$3.02
May 2025Large Operating909419410$62.17$3.12
Apr 2025Large Operating303083080$63.54$3.42
Mar 2025Large Operating303243240$68.24$4.12
Feb 2025Large Operating302942940$71.53$4.19
Jan 2025Large Operating005655650$75.74$4.13
Dec 2024Large Operating606366360$70.12$3.01
Nov 2024Large Operating504874870$69.95$2.12
Oct 2024Large Operating008848840$71.99$2.20
Sep 2024Large Operating908698690$70.24$2.28
Aug 2024Large Operating909319310$76.68$1.99
Jul 2024Large Operating001,1091,1090$81.80$2.07
Jun 2024Large Operating1009809800$79.77$2.54
May 2024Large Operating006186180$80.02$2.12
Apr 2024Large Operating606116110$85.35$1.60
Mar 2024Large Operating706606600$81.28$1.49
Feb 2024Large Operating606156150$77.25$1.72
Jan 2024Large Operating706826820$74.15$3.18
Dec 2023Large Operating807547540$71.90$2.52
Nov 2023Large Operating706956950$77.69$2.71
Oct 2023Large Operating908748740$85.64$2.98
Sep 2023Large Operating908798790$89.43$2.64
Aug 2023Large Operating807987980$81.39$2.58

No report filed

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

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Nearby

This lease belongs to

OperatorLarge Operating LLCFieldChico, West (Caddo Congl. Upper)CountyWise County

Large Operating LLC in Wise County

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Chico, West (Caddo Congl. Upper) field

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