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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

26,715mcf gas, last 12 months−32% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-280185

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
1,166 bbl
Gas in Jul 2026
2,646 mcf

Production by month

Gas output fell 32% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 32% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output fell 32% over the last 12 months. 26,715 mcf in the 12 months through Jul 2026, against 39,306 mcf in the 12 months before.Last 12 months: 26,715 mcfmcf per monthbbl per month001,0001002,0002003,0003004,0004005,000500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 32% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output fell 32% over the last 12 months. 26,715 mcf in the 12 months through Jul 2026, against 39,306 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month001,0001002,0002003,0003004,0004005,000500Jan 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% · 22,870 mcf

  • Lease fuel (1)

    14% · 3,744 mcf

  • Flared (4)

    0.4% · 101 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
42-255-34688508HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Plains Pipeline L.p.CondensateGathers80Jan 7, 2016
Harvest Midstream CompanyCondensateGathers5Oct 1, 2018
Marathon Oil Ef LLCCondensateGathers5Jan 7, 2016
Statewide Crude Inc.CondensateGathers5Jan 7, 2016
Trafigura Trading LLCCondensateGathers5Jan 7, 2016
Marathon Oil Ef LLCGas-well gasBuys100Jan 7, 2016
Marathon Oil Ef LLCGas-well gasGathers100Jan 7, 2016

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
42-255-34688508H646.10

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 202694942,6462,25412$80.46$2.89
Jun 202684811,8891,5787$84.81$3.15
May 202620231,3631,1549$102.13$2.94
Apr 202677761,9821,7097$100.32$2.77
Mar 202693932,8922,48611$91.38$3.04
Feb 20261061095734902$64.51$3.62
Jan 20262182142,4912,1358$60.04$7.72
Dec 202587872,3341,9908$57.97$4.26
Nov 20251071072,4272,10816$60.06$3.79
Oct 20251031052,2171,9435$60.89$3.19
Sep 20251061042,8512,3935$63.96$2.97
Aug 202571713,0502,63011$64.86$2.91
Jul 202583842,9982,5807$68.39$3.20
Jun 20251161153,1292,6927$68.17$3.02
May 202595952,6922,3133$62.17$3.12
Apr 20251081093,3402,8944$63.54$3.42
Mar 20251411392,0001,7557$68.24$4.12
Feb 202567733,4492,99210$71.53$4.19
Jan 20251961902,9352,33816$75.74$4.13
Dec 202444454,4043,62719$70.12$3.01
Nov 202464643,3362,77621$69.95$2.12
Oct 202465663,3932,83218$71.99$2.20
Sep 20241081083,6603,03519$70.24$2.28
Aug 202485853,9703,32719$76.68$1.99
Jul 20241051053,8013,20615$81.80$2.07
Jun 202472723,6253,07817$79.77$2.54
May 202490943,9013,28520$80.02$2.12
Apr 20241941993,4633,06525$85.35$1.60
Mar 20242662643,3702,83513$81.28$1.49
Feb 20241972023,6132,99214$77.25$1.72
Jan 20242892823,3222,63136$74.15$3.18
Dec 20231771793,5572,90184$71.90$2.52
Nov 20232252243,9333,11451$77.69$2.71
Oct 20232031994,9194,31418$85.64$2.98
Sep 20231041054,8624,33911$89.43$2.64
Aug 20231371434,8484,28017$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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