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Texas oil lease

Producing

DUVAL CO. RANCH CO. -C-

Duval Co. Ranch Co. -C- is an oil lease in Duval County, Texas, operated by Caribbean Energy LLC II in the Lopez, North (Lopez) field.

3 wells

918bbl oil, last 12 months−3% vs prior year
Operator
Caribbean Energy LLC II
County
Duval County
Field
Lopez, North (Lopez)
RRC lease
04-01654

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Where it sits

This county

Duval CountyDuvalJim WellsDuval County
Duval County
Oil in Jul 2026
190 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.

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Production by month

Oil output held steady over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output held steady over the last 12 monthsMonthly oil production for DUVAL CO. RANCH CO. -C-, Aug 2023 to Jul 2026. Oil output held steady over the last 12 months. 918 bbl in the 12 months through Jul 2026, against 944 bbl in the 12 months before.Last 12 months: 918 bblbbl per month0100200300400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output held steady over the last 12 monthsMonthly oil production for DUVAL CO. RANCH CO. -C-, Aug 2023 to Jul 2026. Oil output held steady over the last 12 months. 918 bbl in the 12 months through Jul 2026, against 944 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 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.

3 wells on this lease

Wells on DUVAL CO. RANCH CO. -C-
API numberWell no.Status
42-131-0655919Active
42-131-3160223Active
42-131-3721924Shut-in

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

160 acres on the newest permit

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Permits for Duval Co. Ranch Co. -C-
API numberWell no.Acreson the permit
42-131-3721924160
42-131-0655919–
42-131-0656020–
42-131-3160223–

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

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36 months, newest first

Ledger for DUVAL CO. RANCH CO. -C-
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026Caribbean Energy190155$80.46$2.89
Jun 2026Caribbean Energy137242$84.81$3.15
May 2026Caribbean Energy1160$102.13$2.94
Apr 2026Caribbean Energy190$100.32$2.77
Mar 2026Caribbean Energy40$91.38$3.04
Feb 2026Caribbean Energy80$64.51$3.62
Jan 2026Caribbean Energy62136$60.04$7.72
Dec 2025Caribbean Energy550$57.97$4.26
Nov 2025Caribbean Energy175156$60.06$3.79
Oct 2025Caribbean Energy152152$60.89$3.19
Sep 2025Caribbean Energy057$63.96$2.97
Aug 2025Rattlesnake Operating00$64.86$2.91
Jul 2025Rattlesnake Operating00$68.39$3.20
Jun 2025Rattlesnake Operating00$68.17$3.02
May 2025Rattlesnake Operating00$62.17$3.12
Apr 2025Rattlesnake Operating00$63.54$3.42
Mar 2025Rattlesnake Operating00$68.24$4.12
Feb 2025Rattlesnake Operating00$71.53$4.19
Jan 2025Rattlesnake Operating00$75.74$4.13
Dec 2024Rattlesnake Operating00$70.12$3.01
Nov 2024Rattlesnake Operating171150$69.95$2.12
Oct 2024Rattlesnake Operating322315$71.99$2.20
Sep 2024Rattlesnake Operating208189$70.24$2.28
Aug 2024Rattlesnake Operating243316$76.68$1.99
Jul 2024Rattlesnake Operating153152$81.80$2.07
Jun 2024Rattlesnake Operating810$79.77$2.54
May 2024Rattlesnake Operating97155$80.02$2.12
Apr 2024Rattlesnake Operating171156$85.35$1.60
Mar 2024Rattlesnake Operating157156$81.28$1.49
Feb 2024Rattlesnake Operating193156$77.25$1.72
Jan 2024Rattlesnake Operating231316$74.15$3.18
Dec 2023Rattlesnake Operating205152$71.90$2.52
Nov 2023Rattlesnake Operating109151$77.69$2.71
Oct 2023Rattlesnake Operating107157$85.64$2.98
Sep 2023Rattlesnake Operating260$89.43$2.64
Aug 2023Rattlesnake Operating900$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 IIFieldLopez, North (Lopez)CountyDuval County

Caribbean Energy LLC II in Duval County

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Lopez, North (Lopez) field

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