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Texas gas well

Producing

J B DUDERSTADT 01

J B Duderstadt 01 is a gas well in De Witt County, Texas, operated by Marathon Oil Ef LLC in the De Witt (Eagle Ford Shale) field.

1 well

5,686mcf gas, last 12 months−73% vs prior year
Operator
Marathon Oil Ef LLC
County
De Witt County
Field
De Witt (Eagle Ford Shale)
RRC lease
02-267759

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Where it sits

This county

De Witt CountyDe WittGoliadWilsonLavacaGonzalesKarnesVictoriaGuadalupeDe Witt County
De Witt County
Oil, last 12 months
87 bbl
Gas in Jul 2026
116 mcf

Checks stopped on this lease?

  • Sales

    Sales over the last 3 months fell to 12% of the 9 months before.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Gas output fell 73% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 73% over the last 12 monthsMonthly gas production and oil for J B DUDERSTADT 01, Aug 2023 to Jul 2026. Gas output fell 73% over the last 12 months. 5,686 mcf in the 12 months through Jul 2026, against 20,849 mcf in the 12 months before.Last 12 months: 5,686 mcfmcf per monthbbl per month001,0002002,0004003,0006004,000800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 73% over the last 12 monthsMonthly gas production and oil for J B DUDERSTADT 01, Aug 2023 to Jul 2026. Gas output fell 73% over the last 12 months. 5,686 mcf in the 12 months through Jul 2026, against 20,849 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month001,0002002,0004003,0006004,000800Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

All of the gas went to a processing plant in the last 12 monthsShare of J B DUDERSTADT 01 gas by disposition code each month, Aug 2023 to Jul 2026. All 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
All of the gas went to a processing plant in the last 12 monthsShare of J B DUDERSTADT 01 gas by disposition code each month, Aug 2023 to Jul 2026. All 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.

Who has run this lease

The operator changed once, most recently in Mar 2023

Operators of this lease over timeEnsign Operating LLC, Jan 2020 to Feb 2023; Marathon Oil Ef LLC, Mar 2023 to Jul 20262020202120222023202420252026Changed Mar 2023Ensign Operating LLCJan 2020 to Feb 2023Marathon Oil Ef LLCMar 2023 to now
Operators of this lease over timeEnsign Operating LLC, Jan 2020 to Feb 2023; Marathon Oil Ef LLC, Mar 2023 to Jul 20262020202120222023202420252026Changed Mar 2023Ensign Operating LLCJan 2020 to Feb 2023Marathon Oil Ef LLCMar 2023 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on J B DUDERSTADT 01
API numberWell no.Status
42-123-3241001HShut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCCondensateGathers50Mar 1, 2023–
Enterprise Crude Pipeline LLCCondensateGathers50Mar 1, 2023–
Marathon Oil Ef LLCGas-well gasBuys100Mar 1, 2023–
Marathon Oil Ef LLCGas-well gasGathers100Mar 1, 2023–
Ensign Operating LLCCondensateGathers50Jul 22, 2021Mar 1, 2023
Enterprise Crude Oil LLCCondensateGathers25Jul 22, 2021Mar 1, 2023
Enterprise Crude Pipeline LLCCondensateGathers25Jul 22, 2021Mar 1, 2023
Ensign Operating LLCGas-well gasGathers50Jul 22, 2021Mar 1, 2023
Enterprise Products Operating LLCGas-well gasGathers50Jul 22, 2021Mar 1, 2023
Enterprise Products Operating LLCGas-well gasBuys100Jul 22, 2021Mar 1, 2023

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

Who buys my oilOil price check

644.02 acres on the newest permit

Check your decimal on this lease
Permits for J B Duderstadt 01
API numberWell no.Acreson the permit
42-123-3241001H644.02

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 J B DUDERSTADT 01
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Marathon Oil661161160$80.46$2.89
Jun 2026Marathon Oil00000$84.81$3.15
May 2026Marathon Oil0098980$102.13$2.94
Apr 2026Marathon Oil00000$100.32$2.77
Mar 2026Marathon Oil15151921920$91.38$3.04
Feb 2026Marathon Oil1127270$64.51$3.62
Jan 2026Marathon Oil4435350$60.04$7.72
Dec 2025Marathon Oil221281280$57.97$4.26
Nov 2025Marathon Oil15151,2761,2760$60.06$3.79
Oct 2025Marathon Oil11111,2791,2790$60.89$3.19
Sep 2025Marathon Oil14141,2261,2260$63.96$2.97
Aug 2025Marathon Oil19191,3091,3090$64.86$2.91
Jul 2025Marathon Oil28281,3241,3240$68.39$3.20
Jun 2025Marathon Oil29291,3341,3340$68.17$3.02
May 2025Marathon Oil1271271,4391,4390$62.17$3.12
Apr 2025Marathon Oil1651651,7511,7510$63.54$3.42
Mar 2025Marathon Oil3573571,2471,2470$68.24$4.12
Feb 2025Marathon Oil2862861,7281,7280$71.53$4.19
Jan 2025Marathon Oil1941943,6083,6080$75.74$4.13
Dec 2024Marathon Oil1871871,5161,5160$70.12$3.01
Nov 2024Marathon Oil3773771,5001,5000$69.95$2.12
Oct 2024Marathon Oil5375371,9281,9280$71.99$2.20
Sep 2024Marathon Oil4324321,7431,7430$70.24$2.28
Aug 2024Marathon Oil4364361,7311,7310$76.68$1.99
Jul 2024Marathon Oil5105101,7531,7530$81.80$2.07
Jun 2024Marathon Oil4944941,7371,7370$79.77$2.54
May 2024Marathon Oil5525522,0232,0230$80.02$2.12
Apr 2024Marathon Oil4354352,6242,6240$85.35$1.60
Mar 2024Marathon Oil4044042,0912,0910$81.28$1.49
Feb 2024Marathon Oil001291290$77.25$1.72
Jan 2024Marathon Oil001361360$74.15$3.18
Dec 2023Marathon Oil21211,4121,4120$71.90$2.52
Nov 2023Marathon Oil35351,6191,6190$77.69$2.71
Oct 2023Marathon Oil31311,5111,5110$85.64$2.98
Sep 2023Marathon Oil43431,9791,9790$89.43$2.64
Aug 2023Marathon Oil27276156150$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 LLCFieldDe Witt (Eagle Ford Shale)CountyDe Witt County

Marathon Oil Ef LLC in De Witt County

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De Witt (Eagle Ford Shale) field

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