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Texas gas well

Producing

RESSMAN 01

Ressman 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

26,043mcf gas, last 12 months−49% vs prior year
Operator
Marathon Oil Ef LLC
County
De Witt County
Field
De Witt (Eagle Ford Shale)
RRC lease
02-277510

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Where it sits

This county

De Witt CountyDe WittGoliadWilsonLavacaGonzalesKarnesVictoriaGuadalupeDe Witt County
De Witt County
Oil, last 12 months
3,935 bbl
Gas in Jul 2026
2,039 mcf

Production by month

Gas output fell 49% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 49% over the last 12 monthsMonthly gas production and oil for RESSMAN 01, Aug 2023 to Jul 2026. Gas output fell 49% over the last 12 months. 26,043 mcf in the 12 months through Jul 2026, against 50,779 mcf in the 12 months before.Last 12 months: 26,043 mcfmcf per monthbbl per month002,0002504,0005006,0007508,0001,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 49% over the last 12 monthsMonthly gas production and oil for RESSMAN 01, Aug 2023 to Jul 2026. Gas output fell 49% over the last 12 months. 26,043 mcf in the 12 months through Jul 2026, against 50,779 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002,0002504,0005006,0007508,0001,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

94% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
94% of the gas went to a processing plant in the last 12 monthsShare of RESSMAN 01 gas by disposition code each month, Aug 2023 to Jul 2026. 94% 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
94% of the gas went to a processing plant in the last 12 monthsShare of RESSMAN 01 gas by disposition code each month, Aug 2023 to Jul 2026. 94% 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)

    94% · 28,986 mcf

  • Lease fuel (1)

    5.8% · 1,794 mcf

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 RESSMAN 01
API numberWell no.Status
42-123-3349209HActive

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

633.33 acres on the newest permit

Check your decimal on this lease
Permits for Ressman 01
API numberWell no.Acreson the permit
42-123-3349209H633.33

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 RESSMAN 01
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Marathon Oil4434432,0391,9870$80.46$2.89
Jun 2026Marathon Oil7977974,6804,6130$84.81$3.15
May 2026Marathon Oil7007004,3214,3050$102.13$2.94
Apr 2026Marathon Oil111160580$100.32$2.77
Mar 2026Marathon Oil121244420$91.38$3.04
Feb 2026Marathon Oil00000$64.51$3.62
Jan 2026Marathon Oil0024220$60.04$7.72
Dec 2025Marathon Oil3361540$57.97$4.26
Nov 2025Marathon Oil2012011,5341,3590$60.06$3.79
Oct 2025Marathon Oil5705704,3203,9160$60.89$3.19
Sep 2025Marathon Oil5535534,2443,8740$63.96$2.97
Aug 2025Marathon Oil6456454,7164,3440$64.86$2.91
Jul 2025Marathon Oil5925924,7374,4120$68.39$3.20
Jun 2025Marathon Oil5475474,1893,8230$68.17$3.02
May 2025Marathon Oil5565564,2463,9860$62.17$3.12
Apr 2025Marathon Oil5975974,3414,0650$63.54$3.42
Mar 2025Marathon Oil6216214,5204,2360$68.24$4.12
Feb 2025Marathon Oil5585584,1013,9300$71.53$4.19
Jan 2025Marathon Oil6676674,8944,6720$75.74$4.13
Dec 2024Marathon Oil6446444,6974,5300$70.12$3.01
Nov 2024Marathon Oil6026024,0783,9330$69.95$2.12
Oct 2024Marathon Oil6106103,5473,3770$71.99$2.20
Sep 2024Marathon Oil5645643,5503,3390$70.24$2.28
Aug 2024Marathon Oil6036033,8793,6890$76.68$1.99
Jul 2024Marathon Oil6446444,0503,8830$81.80$2.07
Jun 2024Marathon Oil6316313,8763,6070$79.77$2.54
May 2024Marathon Oil6696694,0823,8030$80.02$2.12
Apr 2024Marathon Oil7177174,2143,9640$85.35$1.60
Mar 2024Marathon Oil8568564,4534,1700$81.28$1.49
Feb 2024Marathon Oil6446444,3134,0660$77.25$1.72
Jan 2024Marathon Oil6726724,3744,1550$74.15$3.18
Dec 2023Marathon Oil7207205,0844,7920$71.90$2.52
Nov 2023Marathon Oil4964963,7873,3980$77.69$2.71
Oct 2023Marathon Oil6746744,7094,1860$85.64$2.98
Sep 2023Marathon Oil6346345,4734,7970$89.43$2.64
Aug 2023Marathon Oil6486485,7045,0050$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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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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