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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

4,960mcf gas, last 12 months−89% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-285305

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
536 bbl
Gas in Jul 2026
1,359 mcf

Production by month

Gas output fell 89% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 89% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output fell 89% over the last 12 months. 4,960 mcf in the 12 months through Jul 2026, against 45,287 mcf in the 12 months before.Last 12 months: 4,960 mcfmcf per monthbbl per month002,5002005,0004007,50060010k800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 89% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output fell 89% over the last 12 months. 4,960 mcf in the 12 months through Jul 2026, against 45,287 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002,5002005,0004007,50060010k800Jan 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

Flaring peaked at 3.2% of the gas in Dec 2023.

  • 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. Flaring peaked at 3.2% of the gas in Dec 2023.Share of the lease’s gas by disposition code, per month0%50%100%Flared 3.2%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. Flaring peaked at 3.2% of the gas in Dec 2023.Share of gas by disposition code0%50%100%Flared 3.2%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    86% · 16,331 mcf

  • Lease fuel (1)

    14% · 2,593 mcf

  • Flared (4)

    0.2% · 46 mcf

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

1 well on this lease

Wells on FOSTER UNIT
API numberWell no.Status
42-255-36066507HActive

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 gasBuys100Oct 16, 2018–
Marathon Oil Ef LLCGas-well gasGathers100Oct 16, 2018–
Enterprise Crude Oil LLCCondensateGathers5Oct 16, 2018Jul 1, 2022
Gulfmark Energy, Inc.CondensateGathers5Oct 16, 2018Jul 1, 2022
Harvest Midstream CompanyCondensateGathers5Oct 16, 2018Jul 1, 2022
Plains Pipeline L.p.CondensateGathers80Oct 16, 2018Jul 1, 2022
Trafigura Trading LLCCondensateGathers5Oct 16, 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
42-255-36066507H646.10

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 202639431,3591,1586$80.46$2.89
Jun 202613212816130$84.81$3.15
May 20266370870$102.13$2.94
Apr 20261691641,2021,0365$100.32$2.77
Mar 20261241201,7051,4657$91.38$3.04
Feb 2026996705732$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 202502000$64.86$2.91
Jul 20256770760$68.39$3.20
Jun 20251751791,7481,5044$68.17$3.02
May 20255014947,5636,4989$62.17$3.12
Apr 20257980870$63.54$3.42
Mar 202514615514120$68.24$4.12
Feb 20256136144,6704,05213$71.53$4.19
Jan 20253463423,2892,62018$75.74$4.13
Dec 20242983043,6643,01716$70.12$3.01
Nov 20244084065,3414,44534$69.95$2.12
Oct 20244634626,5555,47134$71.99$2.20
Sep 20244164157,2215,98837$70.24$2.28
Aug 20243553545,2074,36325$76.68$1.99
Jul 20243203272,4172,0399$81.80$2.07
Jun 20243943904,4963,81722$79.77$2.54
May 20243863884,0853,44021$80.02$2.12
Apr 20243873915,6865,03340$85.35$1.60
Mar 20244154175,2154,38820$81.28$1.49
Feb 20244224267,8856,98022$77.25$1.72
Jan 20244704625,0264,14846$74.15$3.18
Dec 20233943963,8472,894122$71.90$2.52
Nov 20234184215,4844,63654$77.69$2.71
Oct 20234824805,2064,37224$85.64$2.98
Sep 20234204216,9586,32713$89.43$2.64
Aug 20234914708,8828,19921$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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