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Texas oil lease

Producing

B. DUPNIK A-H. BROWN PSA

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

1 well

2,872bbl oil, last 12 months−63% vs prior year
RRC lease
02-11547

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
3,445 mcf
Oil in Jul 2026
0 bbl

Production by month

Oil output fell 63% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 63% over the last 12 monthsMonthly oil production and gas for B. DUPNIK A-H. BROWN PSA, Aug 2023 to Jul 2026. Oil output fell 63% over the last 12 months. 2,872 bbl in the 12 months through Jul 2026, against 7,791 bbl in the 12 months before.Last 12 months: 2,872 bblbbl per monthmcf per month005002,0001,0004,0001,5006,0002,0008,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 63% over the last 12 monthsMonthly oil production and gas for B. DUPNIK A-H. BROWN PSA, Aug 2023 to Jul 2026. Oil output fell 63% over the last 12 months. 2,872 bbl in the 12 months through Jul 2026, against 7,791 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005002,0001,0004,0001,5006,0002,0008,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

91% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
91% of the gas went to a processing plant in the last 12 monthsShare of B. DUPNIK A-H. BROWN PSA gas by disposition code each month, Aug 2023 to Jul 2026. 91% 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
91% of the gas went to a processing plant in the last 12 monthsShare of B. DUPNIK A-H. BROWN PSA gas by disposition code each month, Aug 2023 to Jul 2026. 91% 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)

    91% · 16,255 mcf

  • Lease fuel (1)

    8.8% · 1,573 mcf

  • Flared (4)

    0.4% · 77 mcf

0.4% of the gas flared in the last 12 months. No month above 3%.

1 well on this lease

Wells on B. DUPNIK A-H. BROWN PSA
API numberWell no.Status
42-255-358801HActive

SourceTexas Railroad Commission Wellbore Query.

499.38 acres on the newest permit

  • Worth asking

    A production sharing agreement well is on this lease

    A production sharing agreement divides production by a method the agreement sets. Ask the operator for the agreement and the tract percentage it gives your land.

  • 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 B. Dupnik A-H. Brown Psa
API numberWell no.Acreson the permit
42-255-358801H499.38

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

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 B. DUPNIK A-H. BROWN PSA
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202602000$80.46$2.89
Jun 20262852831321170$84.81$3.15
May 202600000$102.13$2.94
Apr 202600000$100.32$2.77
Mar 202602000$91.38$3.04
Feb 202616916931280$64.51$3.62
Jan 20262452571,5561,3827$60.04$7.72
Dec 20251,7571,7471,4401,25312$57.97$4.26
Nov 20254164122862542$60.06$3.79
Oct 202500000$60.89$3.19
Sep 202500000$63.96$2.97
Aug 202500000$64.86$2.91
Jul 202504000$68.39$3.20
Jun 20255635641,4441,31011$68.17$3.02
May 20258778772,0211,83216$62.17$3.12
Apr 20251,1991,1982,5672,3359$63.54$3.42
Mar 20259869891,5461,3954$68.24$4.12
Feb 20251,4061,4091,4351,2973$71.53$4.19
Jan 20251,4111,4018908113$75.74$4.13
Dec 202400000$70.12$3.01
Nov 202400000$69.95$2.12
Oct 202400000$71.99$2.20
Sep 2024011000$70.24$2.28
Aug 20241,3491,3454,5574,24110$76.68$1.99
Jul 20241,6941,6966,0705,62610$81.80$2.07
Jun 20241,9831,9805,1484,7649$79.77$2.54
May 20249989941,2281,1383$80.02$2.12
Apr 20244814862842563$85.35$1.60
Mar 20241,4151,4184,5164,16516$81.28$1.49
Feb 20241,7441,7393,9513,7728$77.25$1.72
Jan 20241,1221,1231,6171,5365$74.15$3.18
Dec 20231,4751,4771,0611,0074$71.90$2.52
Nov 20237287227837424$77.69$2.71
Oct 20236386365795521$85.64$2.98
Sep 202304000$89.43$2.64
Aug 20231,1221,1312,1252,0162$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

Marathon Oil Ef LLC in Karnes County

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Eagleville (Eagle Ford-2) field

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