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BROWN-DUPNIK A UNIT

Brown-Dupnik A Unit is an oil lease in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Eagleville (Eagle Ford-2) field.

1 well

1,554bbl oil, last 12 months−38% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-10073

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
3,687 mcf
Oil in Jul 2026
76 bbl

Checks stopped on this lease?

  • Sales

    Sales over the last 3 months fell to 15% of the 9 months before.

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 38% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 38% over the last 12 monthsMonthly oil production and gas for BROWN-DUPNIK A UNIT, Aug 2023 to Jul 2026. Oil output fell 38% over the last 12 months. 1,554 bbl in the 12 months through Jul 2026, against 2,498 bbl in the 12 months before.Last 12 months: 1,554 bblbbl per monthmcf per month002505005001,0007501,5001,0002,0001,2502,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 38% over the last 12 monthsMonthly oil production and gas for BROWN-DUPNIK A UNIT, Aug 2023 to Jul 2026. Oil output fell 38% over the last 12 months. 1,554 bbl in the 12 months through Jul 2026, against 2,498 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002505005001,0007501,5001,0002,0001,2502,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

90% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
90% of the gas went to a processing plant in the last 12 monthsShare of BROWN-DUPNIK A UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 90% of the gas went to a processing plant in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
90% of the gas went to a processing plant in the last 12 monthsShare of BROWN-DUPNIK A UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 90% of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    90% · 7,770 mcf

  • Lease fuel (1)

    10.0% · 866 mcf

  • Flared (4)

    0.5% · 42 mcf

0.5% of the gas flared in the last 12 months. No month above 3%.

1 well on this lease

Wells on BROWN-DUPNIK A UNIT
API numberWell no.Status
42-255-323471HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCOilGathers20May 19, 2012–
Genesis Crude Oil, L.p.OilGathers20Jul 1, 2022–
Reynolds Energy Transport LLCOilGathers20Jul 1, 2022–
Shell Trading (Us) CompanyOilGathers20May 19, 2012–
Statewide Crude Inc.OilGathers20Jul 1, 2022–
Marathon Oil Ef LLCCasinghead gasBuys100Jul 1, 2022–
Marathon Oil Ef LLCCasinghead gasGathers100Jul 1, 2022–
Genesis Crude Oil, L.p.OilGathers10May 19, 2012Jul 1, 2022
Gulfmark Energy, Inc.OilGathers35May 19, 2012Jul 1, 2022
Permian Crude Transport, LPOilGathers5Dec 1, 2016Jul 1, 2022
Statewide Crude Inc.OilGathers10May 19, 2012Jul 1, 2022

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

Who buys my oilOil price check

139.43 acres on the newest permit

Check your decimal on this lease
Permits for Brown-Dupnik A Unit
API numberWell no.Acreson the permit
42-255-323471H139.43

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

Unit decimal checker

What ConocoPhillips told investors it received

Marathon Oil Ef LLC is linked to ConocoPhillips (MRO).
Realized prices reported by ConocoPhillips
QuarterOil$ per bblFiling
Q2 2026$99.40SEC filing
Q1 2026$73.47SEC filing
Q3 2025$66.13SEC filing
Q2 2025$64.23SEC filing
Q1 2025$71.65SEC filing

SourceConocoPhillips quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for BROWN-DUPNIK A UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20267676870$80.46$2.89
Jun 202600000$84.81$3.15
May 202600000$102.13$2.94
Apr 202601000$100.32$2.77
Mar 202611311511100$91.38$3.04
Feb 20262782779368314$64.51$3.62
Jan 20263643651,3601,2086$60.04$7.72
Dec 20253993991,2841,11711$57.97$4.26
Nov 202532432188781$60.06$3.79
Oct 202500000$60.89$3.19
Sep 202500000$63.96$2.97
Aug 202500000$64.86$2.91
Jul 202500000$68.39$3.20
Jun 202556581101001$68.17$3.02
May 20253643639878958$62.17$3.12
Apr 20253353361,0099183$63.54$3.42
Mar 20253613611,0739683$68.24$4.12
Feb 20253603591,6141,4584$71.53$4.19
Jan 202570691981801$75.74$4.13
Dec 202400000$70.12$3.01
Nov 2024262723210$69.95$2.12
Oct 20243133133293051$71.99$2.20
Sep 20243153173503251$70.24$2.28
Aug 20242982962352190$76.68$1.99
Jul 20242692702652460$81.80$2.07
Jun 20243523534183871$79.77$2.54
May 20244904894894531$80.02$2.12
Apr 20245025034393964$85.35$1.60
Mar 20246246256135652$81.28$1.49
Feb 20247367367487141$77.25$1.72
Jan 20247607597156792$74.15$3.18
Dec 20236236265745452$71.90$2.52
Nov 20235515485305032$77.69$2.71
Oct 20231,0691,0661,0551,0061$85.64$2.98
Sep 202300000$89.43$2.64
Aug 202300000$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

OperatorMarathon Oil Ef LLCFieldEagleville (Eagle Ford-2)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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Eagleville (Eagle Ford-2) field

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