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Texas gas well

Producing

FOSTER UNIT AC

Foster Unit Ac is a gas well in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Austin Chalk) field.

1 well

92,355mcf gas, last 12 months−16% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Austin Chalk)
RRC lease
02-288718

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
6,647 bbl
Gas in Jul 2026
13,377 mcf

Production by month

Gas output fell 16% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 16% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT AC, Aug 2023 to Jul 2026. Gas output fell 16% over the last 12 months. 92,355 mcf in the 12 months through Jul 2026, against 109,418 mcf in the 12 months before.Last 12 months: 92,355 mcfmcf per monthbbl per month005,00050010k1,00015k1,50020k2,00025k2,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 16% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT AC, Aug 2023 to Jul 2026. Gas output fell 16% over the last 12 months. 92,355 mcf in the 12 months through Jul 2026, against 109,418 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month005,00050010k1,00015k1,50020k2,00025k2,500Jan 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 AC 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 AC 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% · 79,104 mcf

  • Lease fuel (1)

    14% · 12,910 mcf

  • Flared (4)

    0.4% · 341 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 AC
API numberWell no.Status
42-255-366333HActive

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 15, 2020–
Marathon Oil Ef LLCGas-well gasGathers100Feb 15, 2020–
Enterprise Crude Oil LLCCondensateGathers5Feb 15, 2020Jul 1, 2022
Gulfmark Energy, Inc.CondensateGathers5Feb 15, 2020Jul 1, 2022
Harvest Midstream CompanyCondensateGathers5Feb 15, 2020Jul 1, 2022
Plains Pipeline L.p.CondensateGathers80Feb 15, 2020Jul 1, 2022
Trafigura Trading LLCCondensateGathers5Feb 15, 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 Ac
API numberWell no.Acreson the permit
42-255-366333H646.10

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 AC
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202694490913,37711,39858$80.46$2.89
Jun 202622923524200$84.81$3.15
May 20264324457,2946,17846$102.13$2.94
Apr 20265505358,3787,22232$100.32$2.77
Mar 20264244267,2086,19528$91.38$3.04
Feb 20265815857,3516,28726$64.51$3.62
Jan 20267287258,6147,38229$60.04$7.72
Dec 202577075711,94310,18441$57.97$4.26
Nov 20251922012,6992,34418$60.06$3.79
Oct 20256346468,5357,48118$60.89$3.19
Sep 20256086018,1896,87215$63.96$2.97
Aug 20255555508,7437,54130$64.86$2.91
Jul 20255105079,1537,87821$68.39$3.20
Jun 20253793789,3178,01719$68.17$3.02
May 20254934959,8838,49112$62.17$3.12
Apr 20255875899,2498,01312$63.54$3.42
Mar 20255895849,8138,61033$68.24$4.12
Feb 20254054219,2458,02126$71.53$4.19
Jan 20256346348,3106,62144$75.74$4.13
Dec 20247577668,5757,06138$70.12$3.01
Nov 20249369458,8817,39156$69.95$2.12
Oct 20241,5261,5248,7047,26545$71.99$2.20
Sep 20241,4311,4368,8587,34645$70.24$2.28
Aug 20241,4211,4429,4307,90245$76.68$1.99
Jul 20242,0342,0509,3977,92736$81.80$2.07
Jun 20241,8951,8889,3117,90545$79.77$2.54
May 20242,2572,2549,8528,29651$80.02$2.12
Apr 20241,8601,88211,83010,47184$85.35$1.60
Mar 20242,0842,09210,0178,42839$81.28$1.49
Feb 20242,0962,06910,2999,32624$77.25$1.72
Jan 20241,4251,4238,7467,83249$74.15$3.18
Dec 20231,6791,6639,7318,545151$71.90$2.52
Nov 20231,2701,29310,2579,51752$77.69$2.71
Oct 20231,7211,72313,94313,12627$85.64$2.98
Sep 20231,6871,66714,04313,33417$89.43$2.64
Aug 20231,4631,47014,49813,73724$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 (Austin Chalk)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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Sugarkane (Austin Chalk) field

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