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Royalty Clerk

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

28,142mcf gas, last 12 months−20% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-285564

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
1,602 bbl
Gas in Jul 2026
2,105 mcf

Production by month

Gas output fell 20% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 20% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output fell 20% over the last 12 months. 28,142 mcf in the 12 months through Jul 2026, against 35,062 mcf in the 12 months before.Last 12 months: 28,142 mcfmcf per monthbbl per month001,0001002,0002003,0003004,0004005,000500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 20% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output fell 20% over the last 12 months. 28,142 mcf in the 12 months through Jul 2026, against 35,062 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

Flaring peaked at 4.4% 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 4.4% of the gas in Dec 2023.Share of the lease’s gas by disposition code, per month0%50%100%Flared 4.4%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 4.4% of the gas in Dec 2023.Share of gas by disposition code0%50%100%Flared 4.4%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    86% · 25,903 mcf

  • Lease fuel (1)

    14% · 4,264 mcf

  • Flared (4)

    0.4% · 109 mcf

0.4% 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
42-255-3606210HActive

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 gasBuys100Nov 20, 2018–
Marathon Oil Ef LLCGas-well gasGathers100Nov 20, 2018–
Enterprise Crude Oil LLCCondensateGathers5Nov 20, 2018Jul 1, 2022
Gulfmark Energy, Inc.CondensateGathers5Nov 20, 2018Jul 1, 2022
Harvest Midstream CompanyCondensateGathers5Nov 20, 2018Jul 1, 2022
Plains Pipeline L.p.CondensateGathers80Nov 20, 2018Jul 1, 2022
Trafigura Trading LLCCondensateGathers5Nov 20, 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
42-255-3606210H646.10

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 20261551552,1051,7949$80.46$2.89
Jun 20261701692,1331,7837$84.81$3.15
May 20261741782,4962,11416$102.13$2.94
Apr 20262011974,0353,47915$100.32$2.77
Mar 20261901904,6333,98218$91.38$3.04
Feb 20262162154,4863,83716$64.51$3.62
Jan 20261691643,0172,58610$60.04$7.72
Dec 202500000$57.97$4.26
Nov 202502000$60.06$3.79
Oct 202592951,2621,1063$60.89$3.19
Sep 20251171161,8351,5403$63.96$2.97
Aug 20251181152,1401,8467$64.86$2.91
Jul 202521223813281$68.39$3.20
Jun 202584851,7531,5084$68.17$3.02
May 20251661673,3492,8774$62.17$3.12
Apr 20251921933,2972,8574$63.54$3.42
Mar 20252372373,3792,96511$68.24$4.12
Feb 20252442483,4422,98610$71.53$4.19
Jan 20252472422,9732,36916$75.74$4.13
Dec 20241411443,3662,77215$70.12$3.01
Nov 20241951933,1222,59820$69.95$2.12
Oct 20241981983,4342,86618$71.99$2.20
Sep 20241861873,2352,68316$70.24$2.28
Aug 20241851863,3312,79116$76.68$1.99
Jul 20242222243,3872,85713$81.80$2.07
Jun 20242082083,1242,65215$79.77$2.54
May 20242632633,2172,70917$80.02$2.12
Apr 20242232253,9303,47828$85.35$1.60
Mar 20242432452,0601,7338$81.28$1.49
Feb 20242672592,2531,67613$77.25$1.72
Jan 202499992,3731,72333$74.15$3.18
Dec 20231061052,0921,37592$71.90$2.52
Nov 202388892,2491,72232$77.69$2.71
Oct 20231011023,1002,56515$85.64$2.98
Sep 20231211233,2492,8009$89.43$2.64
Aug 20231761803,2182,74214$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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