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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

52,495mcf gas, last 12 months−45% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-289223

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
1,169 bbl
Gas in Jul 2026
619 mcf

Production by month

Gas output fell 45% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 45% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output fell 45% over the last 12 months. 52,495 mcf in the 12 months through Jul 2026, against 95,310 mcf in the 12 months before.Last 12 months: 52,495 mcfmcf per monthbbl per month005,00020010k40015k60020k800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 45% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output fell 45% over the last 12 months. 52,495 mcf in the 12 months through Jul 2026, against 95,310 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

Since Oct 2023 the lease's gas goes to a processing plant instead of lease fuel

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

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    85% · 50,641 mcf

  • Lease fuel (1)

    14% · 8,382 mcf

  • Flared (4)

    0.4% · 213 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
42-255-366249HActive

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 gasBuys100Feb 24, 2020–
Marathon Oil Ef LLCGas-well gasGathers100Feb 24, 2020–
Enterprise Crude Oil LLCCondensateGathers5Feb 24, 2020Jul 1, 2022
Gulfmark Energy, Inc.CondensateGathers5Feb 24, 2020Jul 1, 2022
Harvest Midstream CompanyCondensateGathers5Feb 24, 2020Jul 1, 2022
Plains Pipeline L.p.CondensateGathers80Feb 24, 2020Jul 1, 2022
Trafigura Trading LLCCondensateGathers5Feb 24, 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
42-255-366249H646.10

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 202618216195273$80.46$2.89
Jun 20261021016,1815,16521$84.81$3.15
May 202676734,8754,12931$102.13$2.94
Apr 202699110$100.32$2.77
Mar 202656000$91.38$3.04
Feb 202652576015142$64.51$3.62
Jan 20262262256,2345,34221$60.04$7.72
Dec 20252242227,8496,69327$57.97$4.26
Nov 20251471466,1885,37442$60.06$3.79
Oct 20251001025,0504,42611$60.89$3.19
Sep 20251071067,7296,48515$63.96$2.97
Aug 20251031027,1686,18225$64.86$2.91
Jul 202560606,7415,80315$68.39$3.20
Jun 202560587,1376,14115$68.17$3.02
May 2025101011,0779,51713$62.17$3.12
Apr 20250010,8039,36013$63.54$3.42
Mar 20250011,89110,43340$68.24$4.12
Feb 20250012,69511,01436$71.53$4.19
Jan 20252173,9953,18321$75.74$4.13
Dec 20244754789,8488,11043$70.12$3.01
Nov 20244964929,3117,74959$69.95$2.12
Oct 20245004909,2277,70148$71.99$2.20
Sep 20241281271,5751,3068$70.24$2.28
Aug 2024951091,0108465$76.68$1.99
Jul 202453353513,30811,22552$81.80$2.07
Jun 20244434438,3787,11340$79.77$2.54
May 20245715659,1407,69747$80.02$2.12
Apr 20243253327,0716,25950$85.35$1.60
Mar 20244494428,7897,39534$81.28$1.49
Feb 20242762723,5392,98213$77.25$1.72
Jan 20241741774,9654,41230$74.15$3.18
Dec 20232842848,5957,550133$71.90$2.52
Nov 20232672728,4027,53657$77.69$2.71
Oct 20233593539,9098,96928$85.64$2.98
Sep 202323322940117$89.43$2.64
Aug 202315215229718$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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This lease belongs to

OperatorMarathon Oil Ef LLCFieldSugarkane (Eagle Ford)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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