Skip to content
Royalty Clerk

Texas oil lease

Producing

DUVAL RANCH SEC. 79

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

1 well

667bbl oil, last 12 months−7% vs prior year
RRC lease
04-00623

Is your check right?

Check my statement

Where it sits

This county

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

Production by month

Oil output fell 7% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output fell 7% over the last 12 monthsMonthly oil production for DUVAL RANCH SEC. 79, Aug 2023 to Jul 2026. Oil output fell 7% over the last 12 months. 667 bbl in the 12 months through Jul 2026, against 715 bbl in the 12 months before.Last 12 months: 667 bblbbl per month020406080Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 7% over the last 12 monthsMonthly oil production for DUVAL RANCH SEC. 79, Aug 2023 to Jul 2026. Oil output fell 7% over the last 12 months. 667 bbl in the 12 months through Jul 2026, against 715 bbl in the 12 months before.Last 12 monthsbbl per month020406080Jan 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 SEC. 79
API numberWell no.Status
42-131-054498Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Gulfmark Energy, Inc.OilGathers50Apr 1, 2012
Valero Marketing and Supply Co.OilGathers50Apr 1, 2012

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

What the drilling permits say

  • Good to know

    The state has no unit acreage for this lease

    Ask the operator for the acreage on your well's division order and unit plat.

Check your decimal on this lease
Permits for Duval Ranch Sec. 79
API numberWell no.Acreson the permit
42-131-054432–
42-131-054487–
42-131-054498–

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

Estimate your royalty

36 months, newest first

Ledger for DUVAL RANCH SEC. 79
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 20265654$80.46$2.89
Jun 20266353$84.81$3.15
May 20265253$102.13$2.94
Apr 20266850$100.32$2.77
Mar 20264649$91.38$3.04
Feb 202667105$64.51$3.62
Jan 20265447$60.04$7.72
Dec 20255252$57.97$4.26
Nov 202580$60.06$3.79
Oct 202567125$60.89$3.19
Sep 20257865$63.96$2.97
Aug 2025560$64.86$2.91
Jul 202574127$68.39$3.20
Jun 20258068$68.17$3.02
May 20257863$62.17$3.12
Apr 20256763$63.54$3.42
Mar 202557115$68.24$4.12
Feb 2025790$71.53$4.19
Jan 20253265$75.74$4.13
Dec 2024270$70.12$3.01
Nov 20244761$69.95$2.12
Oct 20244776$71.99$2.20
Sep 20245968$70.24$2.28
Aug 20246869$76.68$1.99
Jul 2024600$81.80$2.07
Jun 20246669$79.77$2.54
May 20246867$80.02$2.12
Apr 20245663$85.35$1.60
Mar 20246365$81.28$1.49
Feb 20245258$77.25$1.72
Jan 20246656$74.15$3.18
Dec 20235249$71.90$2.52
Nov 2023190$77.69$2.71
Oct 20232443$85.64$2.98
Sep 20232844$89.43$2.64
Aug 2023310$81.39$2.58

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

How to check your stub against this lease Checks stopped on this lease? See the likely reasons

Do your checks match this lease?

Nearby

Leases within 10 km

Drilling permits within 10 km