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Texas oil lease

Producing

S.MCFARLAND-CHALLENGER C SA

S.mcfarland-Challenger C Sa is an oil lease in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Eagleville (Eagle Ford-2) field.

1 well

1,153bbl oil, last 12 months−10% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-11657

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Where it sits

This county

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

Production by month

Oil output fell 10% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 10% over the last 12 monthsMonthly oil production and gas for S.MCFARLAND-CHALLENGER C SA, Aug 2023 to Jul 2026. Oil output fell 10% over the last 12 months. 1,153 bbl in the 12 months through Jul 2026, against 1,281 bbl in the 12 months before.Last 12 months: 1,153 bblbbl per monthmcf per month005005001,0001,0001,5001,5002,0002,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 10% over the last 12 monthsMonthly oil production and gas for S.MCFARLAND-CHALLENGER C SA, Aug 2023 to Jul 2026. Oil output fell 10% over the last 12 months. 1,153 bbl in the 12 months through Jul 2026, against 1,281 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005005001,0001,0001,5001,5002,0002,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Feb 2024 the lease's gas goes to a processing plant instead of lease fuel

Flaring peaked at 4.7% of the gas in Jan 2024.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since Feb 2024 the lease's gas goes to a processing plant instead of lease fuelShare of S.MCFARLAND-CHALLENGER C SA gas by disposition code each month, Aug 2023 to Jul 2026. Since Feb 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 4.7% of the gas in Jan 2024.Share of the lease’s gas by disposition code, per month0%50%100%Feb 2024: fuel to plantFlared 4.7%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Feb 2024 the lease's gas goes to a processing plant instead of lease fuelShare of S.MCFARLAND-CHALLENGER C SA gas by disposition code each month, Aug 2023 to Jul 2026. Since Feb 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 4.7% of the gas in Jan 2024.Share of gas by disposition code0%50%100%Feb 24: fuel to plantFlared 4.7%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    79% · 2,329 mcf

  • Lease fuel (1)

    20% · 586 mcf

  • Flared (4)

    1.1% · 33 mcf

1.1% of the gas flared in the last 12 months. 3 months above 3%.

1 well on this lease

Wells on S.MCFARLAND-CHALLENGER C SA
API numberWell no.Status
42-255-360401HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCOilGathers25Jul 1, 2022–
Harvest Midstream CompanyOilGathers25Jul 1, 2022–
Reynolds Energy Transport LLCOilGathers25Jul 1, 2022–
Trafigura Trading LLCOilGathers25Jul 1, 2022–
Marathon Oil Ef LLCCasinghead gasBuys100Nov 28, 2018–
Marathon Oil Ef LLCCasinghead gasGathers100Nov 28, 2018–
Enterprise Crude Oil LLCOilGathers1Nov 28, 2018Jul 1, 2022
Gulfmark Energy, Inc.OilGathers1Nov 28, 2018Jul 1, 2022
Harvest Midstream CompanyOilGathers97Nov 28, 2018Jul 1, 2022
Trafigura Trading LLCOilGathers1Nov 28, 2018Jul 1, 2022

SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).

Who buys my oilOil price check

847.89 acres on the newest permit

  • Worth asking

    A production sharing agreement well is on this lease

    A production sharing agreement divides production by a method the agreement sets. Ask the operator for the agreement and the tract percentage it gives your land.

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for S.mcfarland-Challenger C Sa
API numberWell no.Acreson the permit
42-255-360401H847.89

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 S.MCFARLAND-CHALLENGER C SA
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202602750$80.46$2.89
Jun 2026969947350$84.81$3.15
May 20261771722011513$102.13$2.94
Apr 2026011000$100.32$2.77
Mar 2026452455129981$91.38$3.04
Feb 20264284143482583$64.51$3.62
Jan 202600000$60.04$7.72
Dec 202500000$57.97$4.26
Nov 202500000$60.06$3.79
Oct 202500000$60.89$3.19
Sep 202500000$63.96$2.97
Aug 202500000$64.86$2.91
Jul 202500000$68.39$3.20
Jun 202500000$68.17$3.02
May 202500000$62.17$3.12
Apr 20251515430$63.54$3.42
Mar 202500000$68.24$4.12
Feb 202500000$71.53$4.19
Jan 202500000$75.74$4.13
Dec 202400000$70.12$3.01
Nov 202400000$69.95$2.12
Oct 202405000$71.99$2.20
Sep 202440741493761$70.24$2.28
Aug 20248598611991632$76.68$1.99
Jul 20249559557706234$81.80$2.07
Jun 20241,1801,16992873416$79.77$2.54
May 202421822051401$80.02$2.12
Apr 20247247291711432$85.35$1.60
Mar 20241,4661,4651,5151,2927$81.28$1.49
Feb 20241,4771,4761,14973122$77.25$1.72
Jan 202464564219109$74.15$3.18
Dec 20231,0981,098414014$71.90$2.52
Nov 20231,1391,139488018$77.69$2.71
Oct 20231,2401,240556610$85.64$2.98
Sep 20231,1331,138598111$89.43$2.64
Aug 20231,3161,3166096013$81.39$2.58

Flared above 3%

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 LLCFieldEagleville (Eagle Ford-2)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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