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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

21,523mcf gas, last 12 months−37% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-279840

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
964 bbl
Gas in Jul 2026
1,156 mcf

Production by month

Gas output fell 37% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 37% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output fell 37% over the last 12 months. 21,523 mcf in the 12 months through Jul 2026, against 34,266 mcf in the 12 months before.Last 12 months: 21,523 mcfmcf per monthbbl per month002,5001,0005,0002,0007,5003,00010k4,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 37% over the last 12 monthsMonthly gas production and oil for FOSTER UNIT, Aug 2023 to Jul 2026. Gas output fell 37% over the last 12 months. 21,523 mcf in the 12 months through Jul 2026, against 34,266 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002,5001,0005,0002,0007,5003,00010k4,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

85% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
85% 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. 85% 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
85% 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. 85% 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)

    85% · 18,397 mcf

  • Lease fuel (1)

    14% · 3,043 mcf

  • Flared (4)

    0.4% · 83 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
42-255-34686509HActive

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
42-255-34686509H646.10

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 202643431,1569855$80.46$2.89
Jun 202638391,8441,5416$84.81$3.15
May 202681831,9681,66712$102.13$2.94
Apr 20261021022,0121,7348$100.32$2.77
Mar 20261401362,4162,0779$91.38$3.04
Feb 202646472,5872,2139$64.51$3.62
Jan 202684861,8261,5656$60.04$7.72
Dec 20251821802,5272,1549$57.97$4.26
Nov 20251071061,2721,1049$60.06$3.79
Oct 202548491,0359072$60.89$3.19
Sep 202544441,4261,1963$63.96$2.97
Aug 202549511,4541,2545$64.86$2.91
Jul 20251681692,5772,2186$68.39$3.20
Jun 20251871862,7532,3696$68.17$3.02
May 20252192192,9372,5234$62.17$3.12
Apr 20252032052,8882,5024$63.54$3.42
Mar 20252762753,9653,47913$68.24$4.12
Feb 202528328434300$71.53$4.19
Jan 20251471463,3862,69818$75.74$4.13
Dec 20241751773,7413,08116$70.12$3.01
Nov 20241941923,3462,78521$69.95$2.12
Oct 20241801962,6952,24914$71.99$2.20
Sep 20247628452,7192,25514$70.24$2.28
Aug 20243,2583,1773,2252,70315$76.68$1.99
Jul 20247107202,8822,43111$81.80$2.07
Jun 20247557484,5633,87422$79.77$2.54
May 20247737733,2642,74917$80.02$2.12
Apr 20246736674,0923,62229$85.35$1.60
Mar 20244384372,9972,52112$81.28$1.49
Feb 20243923862,3421,80312$77.25$1.72
Jan 20242552561,7011,26223$74.15$3.18
Dec 20233313393,2982,71275$71.90$2.52
Nov 20234824994,0773,35845$77.69$2.71
Oct 20238438618,0617,36921$85.64$2.98
Sep 20231,1731,1628,5207,91313$89.43$2.64
Aug 20231,0771,0866,6946,23214$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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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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