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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

57,358mcf gas, last 12 months+11% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-285539

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
3,833 bbl
Gas in Jul 2026
4,666 mcf

Production by month

Gas output rose 11% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output rose 11% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output rose 11% over the last 12 months. 57,358 mcf in the 12 months through Jul 2026, against 51,682 mcf in the 12 months before.Last 12 months: 57,358 mcfmcf per monthbbl per month002,0002504,0005006,0007508,0001,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output rose 11% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output rose 11% over the last 12 months. 57,358 mcf in the 12 months through Jul 2026, against 51,682 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002,0002504,0005006,0007508,0001,000Jan 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% · 49,122 mcf

  • Lease fuel (1)

    14% · 8,023 mcf

  • Flared (4)

    0.4% · 213 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
42-255-3606311HActive

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 4, 2018–
Marathon Oil Ef LLCGas-well gasGathers100Nov 4, 2018–
Enterprise Crude Oil LLCCondensateGathers5Nov 4, 2018Jul 1, 2022
Gulfmark Energy, Inc.CondensateGathers5Nov 4, 2018Jul 1, 2022
Harvest Midstream CompanyCondensateGathers5Nov 4, 2018Jul 1, 2022
Plains Pipeline L.p.CondensateGathers80Nov 4, 2018Jul 1, 2022
Trafigura Trading LLCCondensateGathers5Nov 4, 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
42-255-3606311H646.10

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 20262302264,6663,97620$80.46$2.89
Jun 20261621643,3422,79212$84.81$3.15
May 20262472482,7512,33017$102.13$2.94
Apr 20261841841,8191,5687$100.32$2.77
Mar 20263073024,8604,17719$91.38$3.04
Feb 20261671723,2302,76311$64.51$3.62
Jan 20263463544,7794,09516$60.04$7.72
Dec 20258528416,7365,74423$57.97$4.26
Nov 20253363366,1445,33641$60.06$3.79
Oct 20253153236,3865,59714$60.89$3.19
Sep 20253553516,9435,82613$63.96$2.97
Aug 20253323305,7024,91820$64.86$2.91
Jul 20253433394,1033,5329$68.39$3.20
Jun 20251961933,8153,2838$68.17$3.02
May 20251341371,9541,6792$62.17$3.12
Apr 20252322373,9273,4025$63.54$3.42
Mar 20254744725,1674,53417$68.24$4.12
Feb 20254264275,3854,67215$71.53$4.19
Jan 20252372282,4851,98013$75.74$4.13
Dec 2024122685700$70.12$3.01
Nov 20243973956,5275,43241$69.95$2.12
Oct 20244504496,1435,12732$71.99$2.20
Sep 20243973995,8344,83830$70.24$2.28
Aug 20244114126,2575,24330$76.68$1.99
Jul 20244314375,7064,81322$81.80$2.07
Jun 20244714695,8374,95628$79.77$2.54
May 20245515565,7324,82730$80.02$2.12
Apr 20246005953,8403,39927$85.35$1.60
Mar 20244053942,7592,32111$81.28$1.49
Feb 20241511552,6622,3887$77.25$1.72
Jan 20242092082,0201,73715$74.15$3.18
Dec 20232372382,6502,32442$71.90$2.52
Nov 20232372352,3962,14916$77.69$2.71
Oct 20231932022,7532,5197$85.64$2.98
Sep 20233773702,7242,5334$89.43$2.64
Aug 20232602521,9241,6937$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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