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Royalty Clerk

Texas gas well

Producing

FOSTER UNIT

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

1 well

58,499mcf gas, last 12 months+53% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-289222

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
1,394 bbl
Gas in Jul 2026
6,370 mcf

Production by month

Gas output rose 53% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output rose 53% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output rose 53% over the last 12 months. 58,499 mcf in the 12 months through Jul 2026, against 38,129 mcf in the 12 months before.Last 12 months: 58,499 mcfmcf per monthbbl per month005,00020010k40015k60020k800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output rose 53% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output rose 53% over the last 12 months. 58,499 mcf in the 12 months through Jul 2026, against 38,129 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month005,00020010k40015k60020k800Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

86% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
86% of the gas went to a processing plant in the last 12 monthsShare of FOSTER UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 86% 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
86% of the gas went to a processing plant in the last 12 monthsShare of FOSTER UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 86% 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)

    86% · 50,050 mcf

  • Lease fuel (1)

    14% · 8,220 mcf

  • Flared (4)

    0.4% · 229 mcf

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

1 well on this lease

Wells on FOSTER UNIT
API numberWell no.Status
42-255-36632504HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCCondensateGathers20Jul 1, 2022–
Harvest Midstream CompanyCondensateGathers20Jul 1, 2022–
Plains Pipeline L.p.CondensateGathers20Jul 1, 2022–
Reynolds Energy Transport LLCCondensateGathers20Jul 1, 2022–
Trafigura Trading LLCCondensateGathers20Jul 1, 2022–
Marathon Oil Ef LLCGas-well gasBuys100Mar 5, 2020–
Marathon Oil Ef LLCGas-well gasGathers100Mar 5, 2020–
Enterprise Crude Oil LLCCondensateGathers5Mar 5, 2020Jul 1, 2022
Gulfmark Energy, Inc.CondensateGathers5Mar 5, 2020Jul 1, 2022
Harvest Midstream CompanyCondensateGathers5Mar 5, 2020Jul 1, 2022
Plains Pipeline L.p.CondensateGathers80Mar 5, 2020Jul 1, 2022
Trafigura Trading LLCCondensateGathers5Mar 5, 2020Jul 1, 2022

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

Who buys my oilOil price check

646.10 acres on the newest permit

Permits for Foster Unit
API numberWell no.Acreson the permit
42-255-36632504H646.10

SourceRailroad Commission drilling permits, Sep 26, 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 FOSTER UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20261701676,3705,42728$80.46$2.89
Jun 20261281325,2324,37218$84.81$3.15
May 20262332335,8144,92437$102.13$2.94
Apr 20261771738,0796,96431$100.32$2.77
Mar 20261381338,5977,38933$91.38$3.04
Feb 202613156,8135,82724$64.51$3.62
Jan 202675812,5072,1498$60.04$7.72
Dec 20253493413422921$57.97$4.26
Nov 2025332,5872,24717$60.06$3.79
Oct 2025793,8963,4158$60.89$3.19
Sep 202541413,4652,9077$63.96$2.97
Aug 202560594,7974,13717$64.86$2.91
Jul 202543436,5585,64515$68.39$3.20
Jun 202542425,5274,75611$68.17$3.02
May 20255756540$62.17$3.12
Apr 202500000$63.54$3.42
Mar 202500000$68.24$4.12
Feb 202504000$71.53$4.19
Jan 202597932,7412,18415$75.74$4.13
Dec 202403000$70.12$3.01
Nov 202483886645534$69.95$2.12
Oct 20242842943,6593,05419$71.99$2.20
Sep 20246476488,9127,39145$70.24$2.28
Aug 202458857710,0638,43248$76.68$1.99
Jul 202423925015130$81.80$2.07
Jun 20244284244,5163,83422$79.77$2.54
May 20244624734,7133,96924$80.02$2.12
Apr 20246786768,3907,42660$85.35$1.60
Mar 20245335395,3324,48621$81.28$1.49
Feb 20246166099,2078,46019$77.25$1.72
Jan 20244374296,3795,75134$74.15$3.18
Dec 20233433444,2033,57980$71.90$2.52
Nov 20233513604,7854,22636$77.69$2.71
Oct 20235445455,0624,54715$85.64$2.98
Sep 202353953614,42013,63818$89.43$2.64
Aug 202354454913,38812,54126$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 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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