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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

27,533mcf gas, last 12 months−7% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-288719

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
5,845 bbl
Gas in Jul 2026
3,829 mcf

Production by month

Gas output fell 7% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 7% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output fell 7% over the last 12 months. 27,533 mcf in the 12 months through Jul 2026, against 29,696 mcf in the 12 months before.Last 12 months: 27,533 mcfmcf per monthbbl per month001,0002002,0004003,0006004,0008005,0001,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 7% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output fell 7% over the last 12 months. 27,533 mcf in the 12 months through Jul 2026, against 29,696 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month001,0002002,0004003,0006004,0008005,0001,000Jan 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% · 23,544 mcf

  • Lease fuel (1)

    14% · 3,882 mcf

  • Flared (4)

    0.4% · 107 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
42-255-366308HActive

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 3, 2020–
Marathon Oil Ef LLCGas-well gasGathers100Feb 3, 2020–
Enterprise Crude Oil LLCCondensateGathers5Feb 3, 2020Jul 1, 2022
Gulfmark Energy, Inc.CondensateGathers5Feb 3, 2020Jul 1, 2022
Harvest Midstream CompanyCondensateGathers5Feb 3, 2020Jul 1, 2022
Plains Pipeline L.p.CondensateGathers80Feb 3, 2020Jul 1, 2022
Trafigura Trading LLCCondensateGathers5Feb 3, 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
42-255-366308H646.10

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 20267667563,8293,26217$80.46$2.89
Jun 20266136003,2382,70611$84.81$3.15
May 20263463592,0301,71913$102.13$2.94
Apr 20265054803,9523,40715$100.32$2.77
Mar 202642443833301$91.38$3.04
Feb 20261031086075192$64.51$3.62
Jan 20262882913903341$60.04$7.72
Dec 20255045112,6822,2879$57.97$4.26
Nov 20258158102,5162,18517$60.06$3.79
Oct 20256386492,2862,0045$60.89$3.19
Sep 20255815782,3821,9985$63.96$2.97
Aug 20256446373,2382,79311$64.86$2.91
Jul 20255685652,2761,9595$68.39$3.20
Jun 20253983952,0631,7754$68.17$3.02
May 20254394392,1151,8173$62.17$3.12
Apr 20253913941,6491,4292$63.54$3.42
Mar 20255245212,4232,1268$68.24$4.12
Feb 20254184262,3532,0417$71.53$4.19
Jan 20254324302,8102,23915$75.74$4.13
Dec 20244374372,4211,99311$70.12$3.01
Nov 20243953942,0211,68213$69.95$2.12
Oct 20244694703,1392,62016$71.99$2.20
Sep 20245135133,1052,57516$70.24$2.28
Aug 20244354373,3212,78316$76.68$1.99
Jul 20245085113,3202,80013$81.80$2.07
Jun 20244424393,3532,84716$79.77$2.54
May 20244654723,6883,10619$80.02$2.12
Apr 20245925954,6734,13633$85.35$1.60
Mar 20245845863,7263,13415$81.28$1.49
Feb 20245765743,5943,10811$77.25$1.72
Jan 20244984973,0912,74219$74.15$3.18
Dec 20235795782,8752,57838$71.90$2.52
Nov 20235275162,7922,53917$77.69$2.71
Oct 20232842823,2552,9818$85.64$2.98
Sep 20232282262,7562,5854$89.43$2.64
Aug 20232142203,0462,8097$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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Nearby

This lease belongs to

OperatorMarathon Oil Ef LLCFieldSugarkane (Eagle Ford)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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