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Texas gas well

Producing

DOUGLAS 01

Douglas 01 is a gas well in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Eagle Ford) field.

1 well

10,757mcf gas, last 12 months−5% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-280457

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
2,121 bbl
Gas in Jul 2026
1,240 mcf

Production by month

Gas output fell 5% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 5% over the last 12 monthsMonthly gas production and oil for DOUGLAS 01, Aug 2023 to Jul 2026. Gas output fell 5% over the last 12 months. 10,757 mcf in the 12 months through Jul 2026, against 11,304 mcf in the 12 months before.Last 12 months: 10,757 mcfmcf per monthbbl per month005001001,0002001,5003002,000400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 5% over the last 12 monthsMonthly gas production and oil for DOUGLAS 01, Aug 2023 to Jul 2026. Gas output fell 5% over the last 12 months. 10,757 mcf in the 12 months through Jul 2026, against 11,304 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month005001001,0002001,5003002,000400Jan 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 DOUGLAS 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 DOUGLAS 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% · 10,154 mcf

  • Lease fuel (1)

    5.6% · 603 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 DOUGLAS 01
API numberWell no.Status
42-255-3445905HActive

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

341.26 acres on the newest permit

Check your decimal on this lease
Permits for Douglas 01
API numberWell no.Acreson the permit
42-255-3445905H341.26

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 DOUGLAS 01
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Marathon Oil1931931,2401,1620$80.46$2.89
Jun 2026Marathon Oil1831831,1531,0520$84.81$3.15
May 2026Marathon Oil1931931,2231,1270$102.13$2.94
Apr 2026Marathon Oil2112111,1221,0620$100.32$2.77
Mar 2026Marathon Oil1721726606270$91.38$3.04
Feb 2026Marathon Oil1641647437090$64.51$3.62
Jan 2026Marathon Oil71713883670$60.04$7.72
Dec 2025Marathon Oil1881887306950$57.97$4.26
Nov 2025Marathon Oil1661667897550$60.06$3.79
Oct 2025Marathon Oil1731738458090$60.89$3.19
Sep 2025Marathon Oil1821829589190$63.96$2.97
Aug 2025Marathon Oil2252259068700$64.86$2.91
Jul 2025Marathon Oil1951959569220$68.39$3.20
Jun 2025Marathon Oil1641648758520$68.17$3.02
May 2025Marathon Oil1811818528270$62.17$3.12
Apr 2025Marathon Oil1711718608350$63.54$3.42
Mar 2025Marathon Oil2282285235090$68.24$4.12
Feb 2025Marathon Oil2192191201170$71.53$4.19
Jan 2025Marathon Oil2992997697520$75.74$4.13
Dec 2024Marathon Oil2992991,2771,2480$70.12$3.01
Nov 2024Marathon Oil2932931,2261,2010$69.95$2.12
Oct 2024Marathon Oil2922921,2501,2310$71.99$2.20
Sep 2024Marathon Oil2872871,2221,2050$70.24$2.28
Aug 2024Marathon Oil3473471,3741,3580$76.68$1.99
Jul 2024Marathon Oil2712711,7131,6890$81.80$2.07
Jun 2024Marathon Oil2642641,1411,1090$79.77$2.54
May 2024Marathon Oil2232237917530$80.02$2.12
Apr 2024Marathon Oil00000$85.35$1.60
Mar 2024Marathon Oil00000$81.28$1.49
Feb 2024Marathon Oil4454530$77.25$1.72
Jan 2024Marathon Oil1001004304230$74.15$3.18
Dec 2023Marathon Oil00000$71.90$2.52
Nov 2023Marathon Oil00000$77.69$2.71
Oct 2023Marathon Oil00000$85.64$2.98
Sep 2023Marathon Oil00000$89.43$2.64
Aug 2023Marathon Oil00000$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 LLCFieldSugarkane (Eagle Ford)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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Sugarkane (Eagle Ford) field

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