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COCKBURN OIL UNIT

Cockburn Oil Unit is an oil lease in Wharton County, Texas, operated by Charolais Energy, LLC in the Magnet Withers, E.(frio Lower) field.

1 well

7bbl oil, last 12 months−99% vs prior year
RRC lease
03-23609

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Where it sits

This county

Wharton CountyWhartonLavacaFayetteAustinColoradoFort BendJacksonWharton County
Wharton County
Oil in Jun 2026
0 bbl
Reporting since
Jan 2020

Checks stopped on this lease?

  • Operator

    Operator changed: Charolais Energy, LLC took over from Cotton Valley Resources, LLC in Mar 2025.

  • P-5

    The previous operator's P-5 registration is listed as inactive since Nov 26, 2025 (last P-5 filed Dec 19, 2024).

  • 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.

See why checks stop on this lease

Production by month

Oil output fell 99% over the last 12 months

Jul 2026 was not reported.

  • Oil (bars)
  • Last 12 months
Oil output fell 99% over the last 12 monthsMonthly oil production for COCKBURN OIL UNIT, Aug 2023 to Jul 2026. Oil output fell 99% over the last 12 months. 7 bbl in the 12 months through Jul 2026, against 853 bbl in the 12 months before.Last 12 months: 7 bblbbl per month0100200300400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 99% over the last 12 monthsMonthly oil production for COCKBURN OIL UNIT, Aug 2023 to Jul 2026. Oil output fell 99% over the last 12 months. 7 bbl in the 12 months through Jul 2026, against 853 bbl in the 12 months before.Last 12 monthsbbl per month0100200300400Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

Who has run this lease

The operator changed 3 times, most recently in Mar 2025

Operators of this lease over timeGemarmi Inc., Jan 2020 to Apr 2021; Resource Expl & Prod, Inc., May 2021 to Jun 2023; Cotton Valley Resources, LLC, Jul 2023 to Feb 2025; Charolais Energy, LLC, Mar 2025 to Jun 20262020202120222023202420252026Changed May 2021Changed Jul 2023Changed Mar 2025Gemarmi Inc.Jan 2020 to Apr 2021Resource Expl & Prod, Inc.May 2021 to Jun 2023Cotton Valley Resources, LLCJul 2023 to Feb 2025Charolais Energy, LLCMar 2025 to now
Operators of this lease over timeGemarmi Inc., Jan 2020 to Apr 2021; Resource Expl & Prod, Inc., May 2021 to Jun 2023; Cotton Valley Resources, LLC, Jul 2023 to Feb 2025; Charolais Energy, LLC, Mar 2025 to Jun 20262020202120222023202420252026Changed May 2021Changed Jul 2023Changed Mar 2025Gemarmi Inc.Jan 2020 to Apr 2021Resource Expl & Prod, Inc.May 2021 to Jun 2023Cotton Valley Resources, LLCJul 2023 to Feb 2025Charolais Energy, LLCMar 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on COCKBURN OIL UNIT
API numberWell no.Status
42-481-332871Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Gulfmark Energy, Inc.OilGathers100Jun 1, 2015

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

60 acres on the newest permit

  • Good to know

    A pooling certificate (P-12) was filed

    Your tract may share its production with neighbors in a pooled unit. The unit acres the operator uses to divide production can differ from the acreage on one permit.

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for Cockburn Oil Unit
API numberWell no.Acreson the permit
42-481-33287160

SourceRailroad Commission drilling permits, Oct 3, 2026 (source 1, source 2).

Estimate your royalty

36 months, newest first

Ledger for COCKBURN OIL UNIT
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026No report––$80.46$2.89
Jun 2026Charolais Energy,00$84.81$3.15
May 2026Charolais Energy,00$102.13$2.94
Apr 2026Charolais Energy,00$100.32$2.77
Mar 2026Charolais Energy,00$91.38$3.04
Feb 2026Charolais Energy,00$64.51$3.62
Jan 2026Charolais Energy,70$60.04$7.72
Dec 2025Charolais Energy,00$57.97$4.26
Nov 2025Charolais Energy,00$60.06$3.79
Oct 2025Charolais Energy,00$60.89$3.19
Sep 2025Charolais Energy,00$63.96$2.97
Aug 2025Charolais Energy,00$64.86$2.91
Jul 2025Charolais Energy,00$68.39$3.20
Jun 2025Charolais Energy,00$68.17$3.02
May 2025Charolais Energy,00$62.17$3.12
Apr 2025Charolais Energy,50$63.54$3.42
Mar 2025Charolais Energy,00$68.24$4.12
Feb 2025Cotton Valley70$71.53$4.19
Jan 2025Cotton Valley70$75.74$4.13
Dec 2024Cotton Valley125145$70.12$3.01
Nov 2024Cotton Valley181166$69.95$2.12
Oct 2024Cotton Valley218327$71.99$2.20
Sep 2024Cotton Valley144167$70.24$2.28
Aug 2024Cotton Valley166164$76.68$1.99
Jul 2024Cotton Valley980$81.80$2.07
Jun 2024Cotton Valley150166$79.77$2.54
May 2024Cotton Valley197165$80.02$2.12
Apr 2024Cotton Valley227169$85.35$1.60
Mar 2024Cotton Valley244322$81.28$1.49
Feb 2024Cotton Valley600$77.25$1.72
Jan 2024Cotton Valley256335$74.15$3.18
Dec 2023Cotton Valley30168$71.90$2.52
Nov 2023Cotton Valley37167$77.69$2.71
Oct 2023Cotton Valley3000$85.64$2.98
Sep 2023Cotton Valley302166$89.43$2.64
Aug 2023Cotton Valley170184$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

Charolais Energy, LLC in Wharton County

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Magnet Withers, E.(frio Lower) field

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