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Texas gas well

Producing

WESSENDORFF 02

Wessendorff 02 is a gas well in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Eagle Ford) field.

1 well

21,824mcf gas, last 12 months−45% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-271207

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
2,987 bbl
Gas in Jul 2026
781 mcf

Production by month

Gas output fell 45% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 45% over the last 12 monthsMonthly gas production and oil for WESSENDORFF 02, Aug 2023 to Jul 2026. Gas output fell 45% over the last 12 months. 21,824 mcf in the 12 months through Jul 2026, against 39,779 mcf in the 12 months before.Last 12 months: 21,824 mcfmcf per monthbbl per month002,0005004,0001,0006,0001,5008,0002,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 45% over the last 12 monthsMonthly gas production and oil for WESSENDORFF 02, Aug 2023 to Jul 2026. Gas output fell 45% over the last 12 months. 21,824 mcf in the 12 months through Jul 2026, against 39,779 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002,0005004,0001,0006,0001,5008,0002,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

95% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
95% of the gas went to a processing plant in the last 12 monthsShare of WESSENDORFF 02 gas by disposition code each month, Aug 2023 to Jul 2026. 95% 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
95% of the gas went to a processing plant in the last 12 monthsShare of WESSENDORFF 02 gas by disposition code each month, Aug 2023 to Jul 2026. 95% 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)

    95% · 23,405 mcf

  • Lease fuel (1)

    5.4% · 1,330 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 02
API numberWell no.Status
42-255-3300304HActive

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

451.79 acres on the newest permit

Check your decimal on this lease
Permits for Wessendorff 02
API numberWell no.Acreson the permit
42-255-3300304H451.79

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 02
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Marathon Oil2332337817240$80.46$2.89
Jun 2026Marathon Oil1761761,6821,5050$84.81$3.15
May 2026Marathon Oil1531531,8661,7370$102.13$2.94
Apr 2026Marathon Oil1611611,6521,5610$100.32$2.77
Mar 2026Marathon Oil2352352,1892,0700$91.38$3.04
Feb 2026Marathon Oil00000$64.51$3.62
Jan 2026Marathon Oil1461461,2381,1720$60.04$7.72
Dec 2025Marathon Oil2632632,0381,9370$57.97$4.26
Nov 2025Marathon Oil2892892,7232,5770$60.06$3.79
Oct 2025Marathon Oil3753752,4512,3110$60.89$3.19
Sep 2025Marathon Oil4134132,4442,3380$63.96$2.97
Aug 2025Marathon Oil5435432,7602,6560$64.86$2.91
Jul 2025Marathon Oil3253252,9112,8170$68.39$3.20
Jun 2025Marathon Oil2832832,8062,7420$68.17$3.02
May 2025Marathon Oil1,8361,8363,4633,3900$62.17$3.12
Apr 2025Marathon Oil5565563,0863,0260$63.54$3.42
Mar 2025Marathon Oil00000$68.24$4.12
Feb 2025Marathon Oil3533539549410$71.53$4.19
Jan 2025Marathon Oil2842841,4221,4070$75.74$4.13
Dec 2024Marathon Oil3303306,3346,2690$70.12$3.01
Nov 2024Marathon Oil3813817,5917,5230$69.95$2.12
Oct 2024Marathon Oil4394393,6153,5480$71.99$2.20
Sep 2024Marathon Oil3423423,6663,5990$70.24$2.28
Aug 2024Marathon Oil7497493,9313,8490$76.68$1.99
Jul 2024Marathon Oil4784784,0534,0530$81.80$2.07
Jun 2024Marathon Oil8298295,3665,3480$79.77$2.54
May 2024Marathon Oil1,0281,0287,4597,4270$80.02$2.12
Apr 2024Marathon Oil8628626,3686,3080$85.35$1.60
Mar 2024Marathon Oil00000$81.28$1.49
Feb 2024Marathon Oil52522071980$77.25$1.72
Jan 2024Marathon Oil1491495915660$74.15$3.18
Dec 2023Marathon Oil1011018197840$71.90$2.52
Nov 2023Marathon Oil1591596346110$77.69$2.71
Oct 2023Marathon Oil71718087800$85.64$2.98
Sep 2023Marathon Oil2062061,2191,1810$89.43$2.64
Aug 2023Marathon Oil292911110$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 LLCFieldSugarkane (Eagle Ford)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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Sugarkane (Eagle Ford) field

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