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Texas oil lease

Producing

DUVAL RANCH '79'

Duval Ranch '79' is an oil lease in Duval County, Texas, operated by Killam Oil Co., Ltd. in the D C R-79 field.

1 well

916bbl oil, last 12 months−9% vs prior year
Operator
Killam Oil Co., Ltd.
County
Duval County
Field
D C R-79
RRC lease
04-14194

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Where it sits

This county

Duval CountyDuvalJim WellsDuval County
Duval County
Oil in Jul 2026
78 bbl
Reporting since
Jan 2023

Production by month

Oil output fell 9% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output fell 9% over the last 12 monthsMonthly oil production for DUVAL RANCH '79', Aug 2023 to Jul 2026. Oil output fell 9% over the last 12 months. 916 bbl in the 12 months through Jul 2026, against 1,002 bbl in the 12 months before.Last 12 months: 916 bblbbl per month0255075100125Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 9% over the last 12 monthsMonthly oil production for DUVAL RANCH '79', Aug 2023 to Jul 2026. Oil output fell 9% over the last 12 months. 916 bbl in the 12 months through Jul 2026, against 1,002 bbl in the 12 months before.Last 12 monthsbbl per month0255075100125Jan 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.

1 well on this lease

Wells on DUVAL RANCH '79'
API numberWell no.Status
42-131-3967217Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Gulfmark Energy, Inc.OilGathers100Jan 13, 2023

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

Who buys my oilOil price check

310 acres on the newest permit

Check your decimal on this lease
Permits for Duval Ranch '79'
API numberWell no.Acreson the permit
42-131-3967217310

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for DUVAL RANCH '79'
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 202678162$80.46$2.89
Jun 2026790$84.81$3.15
May 202668156$102.13$2.94
Apr 2026860$100.32$2.77
Mar 202671160$91.38$3.04
Feb 2026670$64.51$3.62
Jan 2026750$60.04$7.72
Dec 202574159$57.97$4.26
Nov 2025740$60.06$3.79
Oct 202588157$60.89$3.19
Sep 202584154$63.96$2.97
Aug 2025720$64.86$2.91
Jul 2025890$68.39$3.20
Jun 202596154$68.17$3.02
May 202594157$62.17$3.12
Apr 2025960$63.54$3.42
Mar 202598157$68.24$4.12
Feb 2025480$71.53$4.19
Jan 202582158$75.74$4.13
Dec 2024690$70.12$3.01
Nov 202464157$69.95$2.12
Oct 2024960$71.99$2.20
Sep 202491160$70.24$2.28
Aug 2024790$76.68$1.99
Jul 202451156$81.80$2.07
Jun 2024670$79.77$2.54
May 202477152$80.02$2.12
Apr 2024810$85.35$1.60
Mar 202479152$81.28$1.49
Feb 2024810$77.25$1.72
Jan 202491149$74.15$3.18
Dec 2023910$71.90$2.52
Nov 202398160$77.69$2.71
Oct 2023102150$85.64$2.98
Sep 2023910$89.43$2.64
Aug 202383152$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

OperatorKillam Oil Co., Ltd.FieldD C R-79CountyDuval County

Killam Oil Co., Ltd. in Duval County

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D C R-79 field

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