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Texas gas well

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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

21mcf gas, last 12 months−46% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-277098

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas in Jul 2026
0 mcf
Reporting since
Jan 2020

Production by month

Gas output fell 46% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 46% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output fell 46% over the last 12 months. 21 mcf in the 12 months through Jul 2026, against 39 mcf in the 12 months before.Last 12 months: 21 mcfmcf per monthbbl per month0010050200100300150400200Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 46% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output fell 46% over the last 12 months. 21 mcf in the 12 months through Jul 2026, against 39 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month0010050200100300150400200Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

Flaring peaked at 5.0% of the gas in Jan 2024.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since Aug 2024 the lease's gas goes to a processing plant instead of lease fuelShare of FOSTER UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Aug 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 5.0% of the gas in Jan 2024.Share of the lease’s gas by disposition code, per month0%50%100%Aug 2024: fuel to plantFlared 5.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Aug 2024 the lease's gas goes to a processing plant instead of lease fuelShare of FOSTER UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Aug 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 5.0% of the gas in Jan 2024.Share of gas by disposition code0%50%100%Aug 24: fuel to plantFlared 5.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Lease fuel (1)

    89% · 875 mcf

  • Processing plant (3)

    7.5% · 73 mcf

  • Flared (4)

    3.2% · 31 mcf

3.2% of the gas flared in the 9 months reported. 2 months above 3%.

1 well on this lease

Wells on FOSTER UNIT
API numberWell no.Status
42-255-339715HShut-in

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 gasBuys100Jan 26, 2015–
Marathon Oil Ef LLCGas-well gasGathers100Jan 26, 2015–
Enterprise Crude Oil LLCCondensateGathers5Sep 1, 2018Jul 1, 2022
Gulfmark Energy, Inc.CondensateGathers10Sep 6, 2018Jul 1, 2022
Plains Pipeline L.p.CondensateGathers80Sep 1, 2018Jul 1, 2022
Trafigura Trading LLCCondensateGathers5Sep 1, 2018Jul 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
42-255-339715H646.10

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 202600000$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 202500000$63.96$2.97
Aug 20250021180$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 202544110$75.74$4.13
Dec 202400000$70.12$3.01
Nov 202400000$69.95$2.12
Oct 202401000$71.99$2.20
Sep 20243033760$70.24$2.28
Aug 202412612231260$76.68$1.99
Jul 202400000$81.80$2.07
Jun 202400000$79.77$2.54
May 202400000$80.02$2.12
Apr 202400000$85.35$1.60
Mar 202411000$81.28$1.49
Feb 20240017504$77.25$1.72
Jan 202466361018$74.15$3.18
Dec 202300000$71.90$2.52
Nov 202300000$77.69$2.71
Oct 2023002901$85.64$2.98
Sep 2023015901$89.43$2.64
Aug 20232223295227$81.39$2.58

Flared above 3%

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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