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Texas oil lease

Producing

DUVAL RANCH, SEC. #203

Duval Ranch, Sec. #203 is an oil lease in Duval County, Texas, operated by Killam Oil Co., Ltd. in the Piedre Lumbre field.

14 wells

1,655bbl oil, last 12 months+1% vs prior year
Operator
Killam Oil Co., Ltd.
County
Duval County
Field
Piedre Lumbre
RRC lease
04-02114

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Where it sits

This county

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

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 RANCH, SEC. #203, Aug 2023 to Jul 2026. Oil output held steady over the last 12 months. 1,655 bbl in the 12 months through Jul 2026, against 1,644 bbl in the 12 months before.Last 12 months: 1,655 bblbbl per month050100150200Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output held steady over the last 12 monthsMonthly oil production for DUVAL RANCH, SEC. #203, Aug 2023 to Jul 2026. Oil output held steady over the last 12 months. 1,655 bbl in the 12 months through Jul 2026, against 1,644 bbl in the 12 months before.Last 12 monthsbbl per month050100150200Jan 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.

14 wells on this lease

Wells on DUVAL RANCH, SEC. #203
API numberWell no.Status
42-131-0239522Active
42-131-0239725Active
42-131-048325WActive
42-131-048336Active
42-131-048347Shut-in
42-131-048358Active
42-131-0483710Active
42-131-0484013WActive
42-131-0484619Shut-in
42-131-0484720Active
42-131-0484824Active
42-131-0485828AShut-in
42-131-0486036Active
42-131-3495840Active

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).

Who buys my oilOil price check

480 acres on the newest permit

  • Good to know

    31 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 Ranch, Sec. #203
API numberWell no.Acreson the permit
42-131-3495840480
42-131-048325D480
42-131-048325W480
42-131-0239421–
42-131-0239522–
42-131-0239725–
42-131-048271A–
42-131-048292–
42-131-048303W–
42-131-048336–
42-131-048336W–
42-131-048347–

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, SEC. #203
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 20269123$80.46$2.89
Jun 202620$84.81$3.15
May 2026152221$102.13$2.94
Apr 2026161148$100.32$2.77
Mar 2026164147$91.38$3.04
Feb 2026154147$64.51$3.62
Jan 2026136148$60.04$7.72
Dec 2025167145$57.97$4.26
Nov 2025154147$60.06$3.79
Oct 2025157215$60.89$3.19
Sep 2025151139$63.96$2.97
Aug 2025166144$64.86$2.91
Jul 2025178143$68.39$3.20
Jun 2025151133$68.17$3.02
May 2025124137$62.17$3.12
Apr 2025159206$63.54$3.42
Mar 202511473$68.24$4.12
Feb 2025146133$71.53$4.19
Jan 2025154127$75.74$4.13
Dec 2024158125$70.12$3.01
Nov 2024157175$69.95$2.12
Oct 202480110$71.99$2.20
Sep 20249453$70.24$2.28
Aug 2024129175$76.68$1.99
Jul 2024130114$81.80$2.07
Jun 2024135116$79.77$2.54
May 2024137174$80.02$2.12
Apr 2024136111$85.35$1.60
Mar 2024128111$81.28$1.49
Feb 20245752$77.25$1.72
Jan 2024122103$74.15$3.18
Dec 2023119135$71.90$2.52
Nov 202311794$77.69$2.71
Oct 202390$85.64$2.98
Sep 20236897$89.43$2.64
Aug 2023133191$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.FieldPiedre LumbreCountyDuval County

Killam Oil Co., Ltd. in Duval County

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Piedre Lumbre field

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Drilling permits within 10 km