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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

35,957mcf gas, last 12 months−13% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Austin Chalk)
RRC lease
02-285916

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
3,447 bbl
Gas in Jul 2026
3,784 mcf

Production by month

Gas output fell 13% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 13% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT AC, Aug 2023 to Jul 2026. Gas output fell 13% over the last 12 months. 35,957 mcf in the 12 months through Jul 2026, against 41,226 mcf in the 12 months before.Last 12 months: 35,957 mcfmcf per monthbbl per month002,0002004,0004006,0006008,000800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 13% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT AC, Aug 2023 to Jul 2026. Gas output fell 13% over the last 12 months. 35,957 mcf in the 12 months through Jul 2026, against 41,226 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002,0002004,0004006,0006008,000800Jan 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% · 30,777 mcf

  • Lease fuel (1)

    14% · 5,049 mcf

  • Flared (4)

    0.4% · 131 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
42-255-360615HActive

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 gasBuys100Oct 30, 2018–
Marathon Oil Ef LLCGas-well gasGathers100Oct 30, 2018–
Enterprise Crude Oil LLCCondensateGathers5Oct 30, 2018Jul 1, 2022
Gulfmark Energy, Inc.CondensateGathers5Oct 30, 2018Jul 1, 2022
Harvest Midstream CompanyCondensateGathers5Oct 30, 2018Jul 1, 2022
Plains Pipeline L.p.CondensateGathers80Oct 30, 2018Jul 1, 2022
Trafigura Trading LLCCondensateGathers5Oct 30, 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 Ac
API numberWell no.Acreson the permit
42-255-360615H646.10

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 20263733653,7843,22417$80.46$2.89
Jun 20262422392,3992,0058$84.81$3.15
May 20261781901,2171,0318$102.13$2.94
Apr 20263583493,1402,70712$100.32$2.77
Mar 20262942933,4262,94513$91.38$3.04
Feb 20263233223,4142,92012$64.51$3.62
Jan 20262862852,6352,2589$60.04$7.72
Dec 20253413383,8043,24413$57.97$4.26
Nov 20251631651,7251,49812$60.06$3.79
Oct 20252912983,2392,8397$60.89$3.19
Sep 20253203163,4462,8917$63.96$2.97
Aug 20252782743,7283,21513$64.86$2.91
Jul 20252172232,6842,3106$68.39$3.20
Jun 20253893835,0744,36611$68.17$3.02
May 20252552572,5992,2333$62.17$3.12
Apr 20253523543,9853,4535$63.54$3.42
Mar 20254424424,1763,66414$68.24$4.12
Feb 20254764802,4902,1607$71.53$4.19
Jan 20253433383,1472,50717$75.74$4.13
Dec 20242662722,6652,19412$70.12$3.01
Nov 20243843823,4062,83521$69.95$2.12
Oct 20244234204,1823,49022$71.99$2.20
Sep 20243383422,8832,39115$70.24$2.28
Aug 20244034053,9353,29719$76.68$1.99
Jul 20244614653,9303,31515$81.80$2.07
Jun 20244304204,5083,82722$79.77$2.54
May 20242592692,1681,82611$80.02$2.12
Apr 20244814805,0274,44936$85.35$1.60
Mar 20243953974,1983,53216$81.28$1.49
Feb 20244064193,2832,67914$77.25$1.72
Jan 20246336184,3033,57638$74.15$3.18
Dec 20234234283,4872,699101$71.90$2.52
Nov 20235185224,4333,73144$77.69$2.71
Oct 20235795765,1754,48520$85.64$2.98
Sep 20234984925,1474,61011$89.43$2.64
Aug 20234254234,6534,15315$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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