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Texas oil lease

Producing

DUVAL COUNTY RANCH CO.-STATE -F-

Duval County Ranch Co.-State -F- is an oil lease in Duval County, Texas, operated by Caribbean Energy LLC II in the Cedro Hill field.

9 wells

929bbl oil, last 12 months−46% vs prior year
Operator
Caribbean Energy LLC II
County
Duval County
Field
Cedro Hill
RRC lease
04-00438

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Where it sits

This county

Duval CountyDuvalJim WellsDuval County
Duval County
Oil in Jul 2026
85 bbl
Reporting since
Jan 2020

Checks stopped on this lease?

  • Operator

    Operator changed: Caribbean Energy LLC II took over from Rattlesnake Operating Co, LLC in Sep 2025.

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 46% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output fell 46% over the last 12 monthsMonthly oil production for DUVAL COUNTY RANCH CO.-STATE -F-, Aug 2023 to Jul 2026. Oil output fell 46% over the last 12 months. 929 bbl in the 12 months through Jul 2026, against 1,721 bbl in the 12 months before.Last 12 months: 929 bblbbl per month0100200300400500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 46% over the last 12 monthsMonthly oil production for DUVAL COUNTY RANCH CO.-STATE -F-, Aug 2023 to Jul 2026. Oil output fell 46% over the last 12 months. 929 bbl in the 12 months through Jul 2026, against 1,721 bbl in the 12 months before.Last 12 monthsbbl per month0100200300400500Jan 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 2 times, most recently in Sep 2025

Operators of this lease over timeBlack Bayou Operating, LLC, Jan 2020 to May 2020; Rattlesnake Operating Co, LLC, Jun 2020 to Aug 2025; Caribbean Energy LLC II, Sep 2025 to Jul 20262020202120222023202420252026Changed Jun 2020Changed Sep 2025Black Bayou Operating, LLCJan 2020 to May 2020Rattlesnake Operating Co, LLCJun 2020 to Aug 2025Caribbean Energy LLC IISep 2025 to now
Operators of this lease over timeBlack Bayou Operating, LLC, Jan 2020 to May 2020; Rattlesnake Operating Co, LLC, Jun 2020 to Aug 2025; Caribbean Energy LLC II, Sep 2025 to Jul 20262020202120222023202420252026Changed Jun 2020Changed Sep 2025Black Bayou Operating, LLCJan 2020 to May 2020Rattlesnake Operating Co, LLCJun 2020 to Aug 2025Caribbean Energy LLC IISep 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

9 wells on this lease

Wells on DUVAL COUNTY RANCH CO.-STATE -F-
API numberWell no.Status
42-131-063211Active
42-131-063233Active
42-131-063244Active
42-131-063255Shut-in
42-131-063266Shut-in
42-131-063288Active
42-131-0633719Active
42-131-3634620Active
42-131-3818221Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Gulfmark Energy, Inc.OilGathers100Sep 1, 2006

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

Who buys my oilOil price check

273.84 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 273.84 and 320 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    15 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.

  • 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 Duval County Ranch Co.-State -F-
API numberWell no.Acreson the permit
42-131-063288273.84
42-131-3818221320
42-131-3634620274
42-131-063211–
42-131-063222–
42-131-063233–
42-131-063244–
42-131-063255–
42-131-063266–
42-131-063277–
42-131-0633010–
42-131-0633313–

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

Unit decimal checker

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36 months, newest first

Ledger for DUVAL COUNTY RANCH CO.-STATE -F-
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026Caribbean Energy8588$80.46$2.89
Jun 2026Caribbean Energy2497$84.81$3.15
May 2026Caribbean Energy290$102.13$2.94
Apr 2026Caribbean Energy67155$100.32$2.77
Mar 2026Caribbean Energy830$91.38$3.04
Feb 2026Caribbean Energy800$64.51$3.62
Jan 2026Caribbean Energy141142$60.04$7.72
Dec 2025Caribbean Energy104125$57.97$4.26
Nov 2025Caribbean Energy79139$60.06$3.79
Oct 2025Caribbean Energy960$60.89$3.19
Sep 2025Caribbean Energy30$63.96$2.97
Aug 2025Rattlesnake Operating138136$64.86$2.91
Jul 2025Rattlesnake Operating300291$68.39$3.20
Jun 2025Rattlesnake Operating447467$68.17$3.02
May 2025Rattlesnake Operating00$62.17$3.12
Apr 2025Rattlesnake Operating101159$63.54$3.42
Mar 2025Rattlesnake Operating270309$68.24$4.12
Feb 2025Rattlesnake Operating177155$71.53$4.19
Jan 2025Rattlesnake Operating910$75.74$4.13
Dec 2024Rattlesnake Operating99152$70.12$3.01
Nov 2024Rattlesnake Operating550$69.95$2.12
Oct 2024Rattlesnake Operating103157$71.99$2.20
Sep 2024Rattlesnake Operating5762$70.24$2.28
Aug 2024Rattlesnake Operating2142$76.68$1.99
Jul 2024Rattlesnake Operating12157$81.80$2.07
Jun 2024Rattlesnake Operating140$79.77$2.54
May 2024Rattlesnake Operating130$80.02$2.12
Apr 2024Rattlesnake Operating140$85.35$1.60
Mar 2024Rattlesnake Operating130$81.28$1.49
Feb 2024Rattlesnake Operating100$77.25$1.72
Jan 2024Rattlesnake Operating110$74.15$3.18
Dec 2023Rattlesnake Operating130$71.90$2.52
Nov 2023Rattlesnake Operating130$77.69$2.71
Oct 2023Rattlesnake Operating160$85.64$2.98
Sep 2023Rattlesnake Operating50$89.43$2.64
Aug 2023Rattlesnake Operating120$81.39$2.58

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

OperatorCaribbean Energy LLC IIFieldCedro HillCountyDuval County

Caribbean Energy LLC II in Duval County

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Cedro Hill field

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