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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

116mcf gas, last 12 months−21% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-289125

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
174 bbl
Gas in Jul 2026
8 mcf

Checks stopped on this lease?

  • Sales

    Sales over the last 3 months fell to 21% 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

Production by month

Gas output fell 21% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 21% over the last 12 monthsMonthly gas production and oil for BEST-FENNER UNIT, Aug 2023 to Jul 2026. Gas output fell 21% over the last 12 months. 116 mcf in the 12 months through Jul 2026, against 147 mcf in the 12 months before.Last 12 months: 116 mcfmcf per monthbbl per month001005002001,0003001,5004002,0005002,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 21% over the last 12 monthsMonthly gas production and oil for BEST-FENNER UNIT, Aug 2023 to Jul 2026. Gas output fell 21% over the last 12 months. 116 mcf in the 12 months through Jul 2026, against 147 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month001005002001,0003001,5004002,0005002,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

93% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
93% 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. 93% 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
93% 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. 93% 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)

    93% · 2,993 mcf

  • Lease fuel (1)

    6.3% · 201 mcf

  • Flared (4)

    0.3% · 10 mcf

0.3% 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%FromUntil
Enterprise Crude Oil LLCCondensateGathers20Jul 1, 2022–
Genesis Crude Oil, L.p.CondensateGathers20Jul 1, 2022–
Harvest Midstream CompanyCondensateGathers20Jul 1, 2022–
Shell Trading (Us) CompanyCondensateGathers20Jul 1, 2022–
Reynolds Energy Transport LLCCondensateGathers10Jul 1, 2022–
Statewide Crude Inc.CondensateGathers10Jul 1, 2022–
Marathon Oil Ef LLCGas-well gasBuys100Jun 14, 2011–
Marathon Oil Ef LLCGas-well gasGathers100Jun 14, 2011–
Enterprise Crude Oil LLCCondensateGathers1Jun 14, 2011Jul 1, 2022
Genesis Crude Oil, L.p.CondensateGathers1Jun 14, 2011Jul 1, 2022
Gulfmark Energy, Inc.CondensateGathers1Jun 14, 2011Jul 1, 2022
Harvest Midstream CompanyCondensateGathers95Jun 14, 2011Jul 1, 2022
Shell Trading (Us) CompanyCondensateGathers1Jun 14, 2011Jul 1, 2022
Statewide Crude Inc.CondensateGathers1Jun 14, 2011Jul 1, 2022

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

Who buys my oilOil price check

430.51 acres on the newest permit

Check your decimal on this lease
Permits for Best-Fenner Unit
API numberWell no.Acreson the permit
42-255-318911H430.51

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 20261212870$80.46$2.89
Jun 202600000$84.81$3.15
May 202600000$102.13$2.94
Apr 202600000$100.32$2.77
Mar 202600000$91.38$3.04
Feb 202600000$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 202501000$63.96$2.97
Aug 2025162161108981$64.86$2.91
Jul 202500000$68.39$3.20
Jun 202500000$68.17$3.02
May 202500000$62.17$3.12
Apr 202500000$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 202400000$71.99$2.20
Sep 202401000$70.24$2.28
Aug 202499991471370$76.68$1.99
Jul 20242472473303051$81.80$2.07
Jun 20242782852622430$79.77$2.54
May 20241,3981,3912672471$80.02$2.12
Apr 20241641652832553$85.35$1.60
Mar 20243193194043731$81.28$1.49
Feb 20242902904534321$77.25$1.72
Jan 20243273254254041$74.15$3.18
Dec 202302000$71.90$2.52
Nov 20231351341591501$77.69$2.71
Oct 20232692703583420$85.64$2.98
Sep 20232532523423260$89.43$2.64
Aug 20233613624234020$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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New drilling permits in Karnes County

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