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Royalty Clerk

Texas gas well

Producing

BEST-FENNER UNIT

Best-Fenner Unit is a gas well in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Eagleville (Eagle Ford-2) field.

Gas well dossier

9,620mcf gas, last 12 months−58% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-295620

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
3,369 bbl
Gas in Jul 2026
2,427 mcf

Production by month

Gas output fell 58% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 58% over the last 12 monthsMonthly gas production and oil for BEST-FENNER UNIT, Aug 2023 to Jul 2026. Gas output fell 58% over the last 12 months. 9,620 mcf in the 12 months through Jul 2026, against 23,008 mcf in the 12 months before.Last 12 months: 9,620 mcfmcf per monthbbl per month002,0001,0004,0002,0006,0003,0008,0004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 58% over the last 12 monthsMonthly gas production and oil for BEST-FENNER UNIT, Aug 2023 to Jul 2026. Gas output fell 58% over the last 12 months. 9,620 mcf in the 12 months through Jul 2026, against 23,008 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002,0001,0004,0002,0006,0003,0008,0004,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

88% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
88% of the gas went to a processing plant in the last 12 monthsShare of BEST-FENNER UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 88% 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
88% of the gas went to a processing plant in the last 12 monthsShare of BEST-FENNER UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 88% 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)

    88% · 8,500 mcf

  • Lease fuel (1)

    11% · 1,079 mcf

  • Flared (4)

    0.4% · 41 mcf

0.4% of the gas flared in the last 12 months. No month above 3%.

Wells on this lease

No wells are linked to this lease in our data

Production is still reported at lease level.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Enterprise Crude Pipeline LLCCondensateGathers34Sep 14, 2021
Endeavor Crude, LLCCondensateGathers33Sep 14, 2021
Enterprise Crude Oil LLCCondensateGathers33Sep 14, 2021
Marathon Oil Ef LLCGas-well gasBuys100Sep 14, 2021
Marathon Oil Ef LLCGas-well gasGathers100Sep 14, 2021

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

Who buys my oilOil price check

432.26 acres on the newest permit

  • Good to know

    A pooling certificate (P-12) was filed

    Your tract may share its production with neighbors in a pooled unit. The unit acres the operator uses to divide production can differ from the acreage on one permit.

  • 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 Best-Fenner Unit
API numberWell no.Acreson the permit
42-255-370455H432.26

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 BEST-FENNER UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20266306332,4272,13410$80.46$2.89
Jun 20266686722,4602,1698$84.81$3.15
May 20261,0821,0851,8311,59010$102.13$2.94
Apr 20268818681,6301,4686$100.32$2.77
Mar 2026111172640$91.38$3.04
Feb 2026161668610$64.51$3.62
Jan 202618181951731$60.04$7.72
Dec 202514141671461$57.97$4.26
Nov 2025191983740$60.06$3.79
Oct 202515152292061$60.89$3.19
Sep 202512122372161$63.96$2.97
Aug 2025332211993$64.86$2.91
Jul 2025505048440$68.39$3.20
Jun 202500000$68.17$3.02
May 202553551671521$62.17$3.12
Apr 20255475481,1021,0024$63.54$3.42
Mar 20257627611,3931,2574$68.24$4.12
Feb 20254224291,0569542$71.53$4.19
Jan 20251,1541,1511,9981,8207$75.74$4.13
Dec 20241,2191,2181,9751,8094$70.12$3.01
Nov 20241,0571,0611,9201,7665$69.95$2.12
Oct 20242,1502,1494,1353,83611$71.99$2.20
Sep 20242,2782,2924,4154,0998$70.24$2.28
Aug 20242,6722,6604,7994,46610$76.68$1.99
Jul 20242,5222,5235,0004,6349$81.80$2.07
Jun 20242,4392,4425,5475,1349$79.77$2.54
May 20242,4592,4506,3375,87313$80.02$2.12
Apr 20241,1091,1095,4924,95050$85.35$1.60
Mar 20241,0761,0803,7623,47013$81.28$1.49
Feb 20241,6001,6005,5845,06721$77.25$1.72
Jan 20241,8901,8886,3045,68833$74.15$3.18
Dec 20231,7291,7335,6225,14634$71.90$2.52
Nov 20239579523,0982,74132$77.69$2.71
Oct 20231,8051,8136,7146,09211$85.64$2.98
Sep 20231,8581,8516,7636,19610$89.43$2.64
Aug 20231,8181,8227,3616,68713$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 LLCFieldEagleville (Eagle Ford-2)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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Eagleville (Eagle Ford-2) field

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