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Texas gas well

Producing

DUDERSTADT TRUST 01

Duderstadt Trust 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

5,027mcf gas, last 12 months−37% vs prior year
Operator
Marathon Oil Ef LLC
County
De Witt County
Field
De Witt (Eagle Ford Shale)
RRC lease
02-266387

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Where it sits

This county

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

Production by month

Gas output fell 37% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 37% over the last 12 monthsMonthly gas production and oil for DUDERSTADT TRUST 01, Aug 2023 to Jul 2026. Gas output fell 37% over the last 12 months. 5,027 mcf in the 12 months through Jul 2026, against 7,973 mcf in the 12 months before.Last 12 months: 5,027 mcfmcf per monthbbl per month00500201,000401,500602,00080Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 37% over the last 12 monthsMonthly gas production and oil for DUDERSTADT TRUST 01, Aug 2023 to Jul 2026. Gas output fell 37% over the last 12 months. 5,027 mcf in the 12 months through Jul 2026, against 7,973 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month00500201,000401,500602,00080Jan 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 DUDERSTADT TRUST 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 DUDERSTADT TRUST 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 DUDERSTADT TRUST 01
API numberWell no.Status
42-123-3241601HActive

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–
Gulfmark Energy, Inc.CondensateGathers100Oct 2, 2019Mar 1, 2023
Ensign Operating LLCGas-well gasGathers100Oct 2, 2019Mar 1, 2023
Ensign Operating LLCGas-well gasBuys100Oct 2, 2019Mar 1, 2023
Ensign Operating LLCCondensateGathers50Oct 1, 2019Oct 2, 2019
Enterprise Crude Oil LLCCondensateGathers25Oct 1, 2019Oct 2, 2019
Enterprise Crude Pipeline LLCCondensateGathers25Oct 1, 2019Oct 2, 2019

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

Who buys my oilOil price check

704 acres on the newest permit

Check your decimal on this lease
Permits for Duderstadt Trust 01
API numberWell no.Acreson the permit
42-123-3241601H704

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

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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 DUDERSTADT TRUST 01
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Marathon Oil00000$80.46$2.89
Jun 2026Marathon Oil442802800$84.81$3.15
May 2026Marathon Oil993403400$102.13$2.94
Apr 2026Marathon Oil00000$100.32$2.77
Mar 2026Marathon Oil774464460$91.38$3.04
Feb 2026Marathon Oil441431430$64.51$3.62
Jan 2026Marathon Oil112612610$60.04$7.72
Dec 2025Marathon Oil10108978970$57.97$4.26
Nov 2025Marathon Oil448568560$60.06$3.79
Oct 2025Marathon Oil551,1991,1990$60.89$3.19
Sep 2025Marathon Oil28286006000$63.96$2.97
Aug 2025Marathon Oil00550$64.86$2.91
Jul 2025Marathon Oil00000$68.39$3.20
Jun 2025Marathon Oil36361,0551,0550$68.17$3.02
May 2025Marathon Oil111211210$62.17$3.12
Apr 2025Marathon Oil10103273270$63.54$3.42
Mar 2025Marathon Oil18187227220$68.24$4.12
Feb 2025Marathon Oil53536316310$71.53$4.19
Jan 2025Marathon Oil13134344340$75.74$4.13
Dec 2024Marathon Oil223913910$70.12$3.01
Nov 2024Marathon Oil16161,0091,0090$69.95$2.12
Oct 2024Marathon Oil13131,1581,1580$71.99$2.20
Sep 2024Marathon Oil14141,0441,0440$70.24$2.28
Aug 2024Marathon Oil14141,0811,0810$76.68$1.99
Jul 2024Marathon Oil14141,1481,1480$81.80$2.07
Jun 2024Marathon Oil14141,1551,1550$79.77$2.54
May 2024Marathon Oil21211,3051,3050$80.02$2.12
Apr 2024Marathon Oil44441,0791,0790$85.35$1.60
Mar 2024Marathon Oil117557550$81.28$1.49
Feb 2024Marathon Oil559309300$77.25$1.72
Jan 2024Marathon Oil881,3181,3180$74.15$3.18
Dec 2023Marathon Oil50501,4741,4740$71.90$2.52
Nov 2023Marathon Oil004574570$77.69$2.71
Oct 2023Marathon Oil225975970$85.64$2.98
Sep 2023Marathon Oil18181,0771,0770$89.43$2.64
Aug 2023Marathon Oil35351,1551,1550$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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