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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

509mcf gas, last 12 months−94% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-285556

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
2,409 bbl
Gas in Jul 2026
12 mcf

Production by month

Gas output fell 94% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 94% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output fell 94% over the last 12 months. 509 mcf in the 12 months through Jul 2026, against 8,544 mcf in the 12 months before.Last 12 months: 509 mcfmcf per monthbbl per month005002501,0005001,5007502,0001,0002,5001,250Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 94% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output fell 94% over the last 12 months. 509 mcf in the 12 months through Jul 2026, against 8,544 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month005002501,0005001,5007502,0001,0002,5001,250Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

Flaring peaked at 10.8% of the gas in Dec 2023.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since Mar 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 Mar 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 10.8% of the gas in Dec 2023.Share of the lease’s gas by disposition code, per month0%50%100%Mar 2024: fuel to plantFlared 10.8%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Mar 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 Mar 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 10.8% of the gas in Dec 2023.Share of gas by disposition code0%50%100%Mar 24: fuel to plantFlared 10.8%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    86% · 4,869 mcf

  • Lease fuel (1)

    14% · 779 mcf

  • Flared (4)

    0.2% · 13 mcf

0.2% of the gas flared in the last 12 months. 3 months above 3%.

1 well on this lease

Wells on FOSTER UNIT
API numberWell no.Status
42-255-36065505HActive

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 gasBuys100Nov 11, 2018–
Marathon Oil Ef LLCGas-well gasGathers100Nov 11, 2018–
Enterprise Crude Oil LLCCondensateGathers5Nov 11, 2018Jul 1, 2022
Gulfmark Energy, Inc.CondensateGathers5Nov 11, 2018Jul 1, 2022
Harvest Midstream CompanyCondensateGathers5Nov 11, 2018Jul 1, 2022
Plains Pipeline L.p.CondensateGathers80Nov 11, 2018Jul 1, 2022
Trafigura Trading LLCCondensateGathers5Nov 11, 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
42-255-36065505H646.10

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 202612912712100$80.46$2.89
Jun 202610197870$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 2025012000$60.06$3.79
Oct 202556859446400$60.89$3.19
Sep 202593191575630$63.96$2.97
Aug 20256806823683181$64.86$2.91
Jul 20259569578647442$68.39$3.20
Jun 20259069008807572$68.17$3.02
May 20251,0531,0411,3591,1672$62.17$3.12
Apr 20253443397016071$63.54$3.42
Mar 20251161165394732$68.24$4.12
Feb 20251181185424702$71.53$4.19
Jan 202564662672131$75.74$4.13
Dec 20241431449237604$70.12$3.01
Nov 20241501467366125$69.95$2.12
Oct 202440425294413$71.99$2.20
Sep 20241021055574623$70.24$2.28
Aug 20241941926475423$76.68$1.99
Jul 20241181179057634$81.80$2.07
Jun 202460578567274$79.77$2.54
May 202414151,0058465$80.02$2.12
Apr 202427319698587$85.35$1.60
Mar 20241071051,0078474$81.28$1.49
Feb 2024575674619212$77.25$1.72
Jan 202437367611337$74.15$3.18
Dec 202318211,116168121$71.90$2.52
Nov 202397981,04930744$77.69$2.71
Oct 20231051061,6441,10715$85.64$2.98
Sep 20231321289886656$89.43$2.64
Aug 202343451,03768610$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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