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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

41,890mcf gas, last 12 months−38% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-288703

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
6,999 bbl
Gas in Jul 2026
0 mcf

Production by month

Gas output fell 38% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 38% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output fell 38% over the last 12 months. 41,890 mcf in the 12 months through Jul 2026, against 67,203 mcf in the 12 months before.Last 12 months: 41,890 mcfmcf per monthbbl per month002,5005005,0001,0007,5001,50010k2,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 38% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output fell 38% over the last 12 months. 41,890 mcf in the 12 months through Jul 2026, against 67,203 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002,5005005,0001,0007,5001,50010k2,000Jan 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% · 46,713 mcf

  • Lease fuel (1)

    14% · 7,483 mcf

  • Flared (4)

    0.3% · 173 mcf

0.3% 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
42-255-36631502HShut-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 24, 2020–
Marathon Oil Ef LLCGas-well gasGathers100Jan 24, 2020–
Enterprise Crude Oil LLCCondensateGathers5Jan 24, 2020Jul 1, 2022
Gulfmark Energy, Inc.CondensateGathers5Jan 24, 2020Jul 1, 2022
Harvest Midstream CompanyCondensateGathers5Jan 24, 2020Jul 1, 2022
Plains Pipeline L.p.CondensateGathers80Jan 24, 2020Jul 1, 2022
Trafigura Trading LLCCondensateGathers5Jan 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
42-255-36631502H646.10

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 202614000$84.81$3.15
May 20269189870$102.13$2.94
Apr 20261919110$100.32$2.77
Mar 20262737220$91.38$3.04
Feb 20264094364,1053,51114$64.51$3.62
Jan 20261,3691,3698,9797,69530$60.04$7.72
Dec 20251,7731,7666,6825,69823$57.97$4.26
Nov 20251,4121,3965,8755,10240$60.06$3.79
Oct 20257267386,1605,39913$60.89$3.19
Sep 20256586485,7444,82011$63.96$2.97
Aug 20255145134,3343,73815$64.86$2.91
Jul 20256266246,0255,18614$68.39$3.20
Jun 20255095046,4545,55413$68.17$3.02
May 20255345355,9085,0767$62.17$3.12
Apr 20254914934,9434,2836$63.54$3.42
Mar 20255815763,1352,75110$68.24$4.12
Feb 20253643714,9534,29714$71.53$4.19
Jan 20253633622,0171,60711$75.74$4.13
Dec 20244274375,8004,77725$70.12$3.01
Nov 20246426395,9274,93337$69.95$2.12
Oct 20247227267,3386,12538$71.99$2.20
Sep 20248448437,0945,88336$70.24$2.28
Aug 20247097167,6096,37636$76.68$1.99
Jul 20249349517,4326,26929$81.80$2.07
Jun 20241,0751,0567,3676,25535$79.77$2.54
May 20248278477,6246,42139$80.02$2.12
Apr 20241,2521,2609,0488,00964$85.35$1.60
Mar 20241,2451,2347,1916,05028$81.28$1.49
Feb 20249229167,8077,02019$77.25$1.72
Jan 20247467497,2356,49040$74.15$3.18
Dec 20239579547,7506,688136$71.90$2.52
Nov 20238728748,1627,24060$77.69$2.71
Oct 20238848969,9449,10726$85.64$2.98
Sep 20231,0931,1099,6658,95915$89.43$2.64
Aug 20231,6101,6249,2318,65718$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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Sugarkane (Eagle Ford) field

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