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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

237,882mcf gas, last 12 months−66% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-271720

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
21,739 bbl
Gas in Jul 2026
0 mcf

Checks stopped on this lease?

  • Sales

    Sales over the last 3 months fell to 11% of the 9 months before.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

See why checks stop on this lease

Other leases named Wessendorff 02

5 leases share this name in district 02. The Railroad Commission gives each gas well its own number and each oil lease another, so one unit often shows up as several of these.

Production by month

Gas output fell 66% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 66% over the last 12 monthsMonthly gas production and oil for WESSENDORFF 02, Aug 2023 to Jul 2026. Gas output fell 66% over the last 12 months. 237,882 mcf in the 12 months through Jul 2026, against 694,978 mcf in the 12 months before.Last 12 months: 237,882 mcfmcf per monthbbl per month0025k5,00050k10k75k15k100k20k125k25kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 66% over the last 12 monthsMonthly gas production and oil for WESSENDORFF 02, Aug 2023 to Jul 2026. Gas output fell 66% over the last 12 months. 237,882 mcf in the 12 months through Jul 2026, against 694,978 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month0025k5,00050k10k75k15k100k20k125k25kJan 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% · 262,124 mcf

  • Lease fuel (1)

    4.8% · 13,157 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
42-255-3299602HActive

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
42-255-3299602H451.79

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 Oil00000$80.46$2.89
Jun 2026Marathon Oil656577690$84.81$3.15
May 2026Marathon Oil7067068,5947,9980$102.13$2.94
Apr 2026Marathon Oil1,7621,76220,63719,4930$100.32$2.77
Mar 2026Marathon Oil1,4461,44616,30215,4170$91.38$3.04
Feb 2026Marathon Oil2,8832,88323,21822,0210$64.51$3.62
Jan 2026Marathon Oil1,8501,85017,14616,2340$60.04$7.72
Dec 2025Marathon Oil2,1742,17424,98423,7470$57.97$4.26
Nov 2025Marathon Oil2,3642,36424,75823,4320$60.06$3.79
Oct 2025Marathon Oil2,1912,19131,29329,5080$60.89$3.19
Sep 2025Marathon Oil2,7002,70032,76531,3450$63.96$2.97
Aug 2025Marathon Oil3,5983,59838,10836,6730$64.86$2.91
Jul 2025Marathon Oil4,1474,14737,39936,1870$68.39$3.20
Jun 2025Marathon Oil3,0943,09438,72937,8440$68.17$3.02
May 2025Marathon Oil3,3013,30147,78746,7800$62.17$3.12
Apr 2025Marathon Oil3,6333,63332,70832,0660$63.54$3.42
Mar 2025Marathon Oil73573515,83215,5780$68.24$4.12
Feb 2025Marathon Oil5,3535,35355,00854,2510$71.53$4.19
Jan 2025Marathon Oil6,6076,60765,93365,2260$75.74$4.13
Dec 2024Marathon Oil7,7167,71671,59670,8580$70.12$3.01
Nov 2024Marathon Oil8,2138,21378,22477,4430$69.95$2.12
Oct 2024Marathon Oil9,3519,35185,35584,5600$71.99$2.20
Sep 2024Marathon Oil9,1829,18280,16179,3500$70.24$2.28
Aug 2024Marathon Oil9,8469,84686,24685,0080$76.68$1.99
Jul 2024Marathon Oil10,12010,120102,530102,1150$81.80$2.07
Jun 2024Marathon Oil11,62511,62592,38891,7250$79.77$2.54
May 2024Marathon Oil13,13613,136101,777101,2070$80.02$2.12
Apr 2024Marathon Oil14,26214,26297,11296,0740$85.35$1.60
Mar 2024Marathon Oil10,14010,14074,02973,6400$81.28$1.49
Feb 2024Marathon Oil00000$77.25$1.72
Jan 2024Marathon Oil00000$74.15$3.18
Dec 2023Marathon Oil54544774570$71.90$2.52
Nov 2023Marathon Oil4974975,1384,9520$77.69$2.71
Oct 2023Marathon Oil5845845,5025,3110$85.64$2.98
Sep 2023Marathon Oil5705705,4295,2620$89.43$2.64
Aug 2023Marathon Oil2382385,1795,0290$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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