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Texas oil lease

Producing

GRIFFIN-KRUEGER SA3

Griffin-Krueger Sa3 is an oil lease in Atascosa County, Texas, operated by Marathon Oil Ef LLC in the Eagleville (Eagle Ford-1) field.

1 well

144,957bbl oil, since Jan 2026
Operator
Marathon Oil Ef LLC
County
Atascosa County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-21872

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Where it sits

This county

Atascosa CountyAtascosaWilsonMedinaKarnesFrioBexarAtascosa County
Atascosa County
Gas, since Jan 2026
160,885 mcf
Oil in Jul 2026
11,313 bbl
First check

Production started January 2026; the first check is due by about May 31, 2026 (estimate).

When is my first royalty check due?

Production by month

Oil output fell 59% since Jan 2026

  • Oil (bars)
  • Gas (line)
Oil output fell 59% since Jan 2026Monthly oil production and gas for GRIFFIN-KRUEGER SA3, Jan 2026 to Jul 2026. Oil output fell 59% since Jan 2026. Monthly average of 12,716 bbl in the latest 3 months, against 31,089 bbl in the first 3.bbl per monthmcf per month0010k10k20k20k30k30k40k40k50k50kOct 25Jan 26AprJul
Oil output fell 59% since Jan 2026Monthly oil production and gas for GRIFFIN-KRUEGER SA3, Jan 2026 to Jul 2026. Oil output fell 59% since Jan 2026. Monthly average of 12,716 bbl in the latest 3 months, against 31,089 bbl in the first 3.bbl per monthmcf per month0010k10k20k20k30k30k40k40k50k50kJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

88% of the gas went to a processing plant in the 7 months reported

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
88% of the gas went to a processing plant in the 7 months reportedShare of GRIFFIN-KRUEGER SA3 gas by disposition code each month, Jan 2026 to Jul 2026. 88% of the gas went to a processing plant in the 7 months reported.Share of the lease’s gas by disposition code, per month0%50%100%Oct 25Jan 26AprJul
88% of the gas went to a processing plant in the 7 months reportedShare of GRIFFIN-KRUEGER SA3 gas by disposition code each month, Jan 2026 to Jul 2026. 88% of the gas went to a processing plant in the 7 months reported.Share of gas by disposition code0%50%100%Jan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    88% · 142,090 mcf

  • Lease fuel (1)

    11% · 17,971 mcf

  • Flared (4)

    0.5% · 824 mcf

0.5% of the gas flared in the 7 months reported. No month above 3%.

1 well on this lease

Wells on GRIFFIN-KRUEGER SA3
API numberWell no.Status
42-013-362323HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Statewide Crude Inc.OilGathers90Jul 28, 2025
Gulfmark Energy, Inc.OilGathers10Jul 28, 2025
Marathon Oil Ef LLCCasinghead gasBuys100Jul 28, 2025
Marathon Oil Ef LLCCasinghead gasGathers100Jul 28, 2025

SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).

Who buys my oilOil price check

1,091.15 acres on the newest permit

  • Worth asking

    A production sharing agreement well is on this lease

    A production sharing agreement divides production by a method the agreement sets. Ask the operator for the agreement and the tract percentage it gives your land.

Check your decimal on this lease
Permits for Griffin-Krueger Sa3
API numberWell no.Acreson the permit
42-013-362323H1,091.15

SourceRailroad Commission drilling permits, Oct 3, 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

7 months, newest first

Ledger for GRIFFIN-KRUEGER SA3
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202611,31311,25616,05613,542135$80.46$2.89
Jun 202612,02912,07416,46813,89060$84.81$3.15
May 202614,80514,82018,56415,263159$102.13$2.94
Apr 202613,54313,62216,64014,89764$100.32$2.77
Mar 202624,08524,30526,79124,293109$91.38$3.04
Feb 202627,47927,28227,46424,672150$64.51$3.62
Jan 202641,70341,40338,90235,533147$60.04$7.72

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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Nearby

This lease belongs to

OperatorMarathon Oil Ef LLCFieldEagleville (Eagle Ford-1)CountyAtascosa County

Marathon Oil Ef LLC in Atascosa County

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Eagleville (Eagle Ford-1) field

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