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Texas gas well

Producing

WESSENDORFF 01

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

1 well

6,527mcf gas, last 12 months−68% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-272374

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
4,327 bbl
Gas in Jul 2026
569 mcf

Production by month

Gas output fell 68% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 68% over the last 12 monthsMonthly gas production and oil for WESSENDORFF 01, Aug 2023 to Jul 2026. Gas output fell 68% over the last 12 months. 6,527 mcf in the 12 months through Jul 2026, against 20,434 mcf in the 12 months before.Last 12 months: 6,527 mcfmcf per monthbbl per month001,0002502,0005003,0007504,0001,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 68% over the last 12 monthsMonthly gas production and oil for WESSENDORFF 01, Aug 2023 to Jul 2026. Gas output fell 68% over the last 12 months. 6,527 mcf in the 12 months through Jul 2026, against 20,434 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month001,0002502,0005003,0007504,0001,000Jan 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 WESSENDORFF 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 WESSENDORFF 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% · 7,402 mcf

  • Lease fuel (1)

    6.1% · 477 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 WESSENDORFF 01
API numberWell no.Status
42-255-3339507HActive

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 Wessendorff 01
API numberWell no.Acreson the permit
42-255-3339507H704

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 WESSENDORFF 01
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Marathon Oil5615615695270$80.46$2.89
Jun 2026Marathon Oil6046047997360$84.81$3.15
May 2026Marathon Oil2572573222930$102.13$2.94
Apr 2026Marathon Oil7417415925460$100.32$2.77
Mar 2026Marathon Oil5095091,2581,1780$91.38$3.04
Feb 2026Marathon Oil4234231,1971,1450$64.51$3.62
Jan 2026Marathon Oil00000$60.04$7.72
Dec 2025Marathon Oil1291292652480$57.97$4.26
Nov 2025Marathon Oil3403401191120$60.06$3.79
Oct 2025Marathon Oil2422426456080$60.89$3.19
Sep 2025Marathon Oil4494495745450$63.96$2.97
Aug 2025Marathon Oil72721871770$64.86$2.91
Jul 2025Marathon Oil3793791,3521,2870$68.39$3.20
Jun 2025Marathon Oil3763768818370$68.17$3.02
May 2025Marathon Oil4624621381310$62.17$3.12
Apr 2025Marathon Oil4544541,7981,7130$63.54$3.42
Mar 2025Marathon Oil4054051,9571,8450$68.24$4.12
Feb 2025Marathon Oil3583581,8401,7340$71.53$4.19
Jan 2025Marathon Oil2262261,0469800$75.74$4.13
Dec 2024Marathon Oil3903902,0441,9410$70.12$3.01
Nov 2024Marathon Oil5065062,2702,1620$69.95$2.12
Oct 2024Marathon Oil6066062,8722,7010$71.99$2.20
Sep 2024Marathon Oil5415412,0271,9330$70.24$2.28
Aug 2024Marathon Oil6536532,2092,1310$76.68$1.99
Jul 2024Marathon Oil9429423,2913,1810$81.80$2.07
Jun 2024Marathon Oil38383783650$79.77$2.54
May 2024Marathon Oil6126121631580$80.02$2.12
Apr 2024Marathon Oil3973971051020$85.35$1.60
Mar 2024Marathon Oil22222258580$81.28$1.49
Feb 2024Marathon Oil24924959590$77.25$1.72
Jan 2024Marathon Oil5935931,1551,1300$74.15$3.18
Dec 2023Marathon Oil7747742,1992,1560$71.90$2.52
Nov 2023Marathon Oil6776772,1592,1170$77.69$2.71
Oct 2023Marathon Oil8598591,8271,7740$85.64$2.98
Sep 2023Marathon Oil61061061610$89.43$2.64
Aug 2023Marathon Oil64664661610$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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