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Producing

STEWART GIESE HENKE SA2

Stewart Giese Henke Sa2 is an oil lease in Atascosa County, Texas, operated by Marathon Oil Ef LLC in the Eagleville (Eagle Ford-1) field.

1 well

75,321bbl oil, last 12 months
Operator
Marathon Oil Ef LLC
County
Atascosa County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-21711

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Where it sits

This county

Atascosa CountyAtascosaWilsonMedinaKarnesFrioBexarAtascosa County
Atascosa County
Gas, last 12 months
147,989 mcf
Oil in Jul 2026
3,908 bbl

Production by month

Oil output fell 80% since Jan 2025

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 80% since Jan 2025Monthly oil production and gas for STEWART GIESE HENKE SA2, Jan 2025 to Jul 2026. Oil output fell 80% since Jan 2025. Monthly average of 4,892 bbl in the latest 3 months, against 24,143 bbl in the first 3.Last 12 months: 75,321 bblbbl per monthmcf per month0010k10k20k20k30k30k40k40kJan 25AprJulOctJan 26AprJul
Oil output fell 80% since Jan 2025Monthly oil production and gas for STEWART GIESE HENKE SA2, Jan 2025 to Jul 2026. Oil output fell 80% since Jan 2025. Monthly average of 4,892 bbl in the latest 3 months, against 24,143 bbl in the first 3.Last 12 monthsbbl per monthmcf per month0010k10k20k20k30k30k40k40kJan 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

Flaring peaked at 4.1% of the gas in Aug 2025.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
86% of the gas went to a processing plant in the last 12 monthsShare of STEWART GIESE HENKE SA2 gas by disposition code each month, Jan 2025 to Jul 2026. 86% of the gas went to a processing plant in the last 12 months. Flaring peaked at 4.1% of the gas in Aug 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 4.1%Jan 25AprJulOctJan 26AprJul
86% of the gas went to a processing plant in the last 12 monthsShare of STEWART GIESE HENKE SA2 gas by disposition code each month, Jan 2025 to Jul 2026. 86% of the gas went to a processing plant in the last 12 months. Flaring peaked at 4.1% of the gas in Aug 2025.Share of gas by disposition code0%50%100%Flared 4.1%Jan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    86% · 127,960 mcf

  • Lease fuel (1)

    12% · 18,212 mcf

  • Flared (4)

    1.2% · 1,817 mcf

1.2% of the gas flared in the last 12 months. 2 months above 3%.

1 well on this lease

Wells on STEWART GIESE HENKE SA2
API numberWell no.Status
42-013-360852HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Enterprise Crude Oil LLCOilGathers25Jan 23, 2025
Genesis Crude Oil, L.p.OilGathers25Jan 23, 2025
Reynolds Energy Transport LLCOilGathers25Jan 23, 2025
Statewide Crude Inc.OilGathers25Jan 23, 2025
Marathon Oil Ef LLCCasinghead gasBuys100Jan 23, 2025
Marathon Oil Ef LLCCasinghead gasGathers100Jan 23, 2025

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

Who buys my oilOil price check

621.41 acres on the newest permit

  • Worth asking

    An allocation well is on this lease

    A well drilled across several tracts shares its production by an allocation formula, so the decimal is not always your acres over the unit acres. Ask the operator for the allocation formula and the tract factor for your land.

Check your decimal on this lease
Permits for Stewart Giese Henke Sa2
API numberWell no.Acreson the permit
42-013-360852H621.41

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

19 months, newest first

Ledger for STEWART GIESE HENKE SA2
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20263,9083,9066,2295,25452$80.46$2.89
Jun 20265,7135,71011,1529,40641$84.81$3.15
May 20265,0545,07611,2809,27497$102.13$2.94
Apr 20265,7375,72513,12711,75250$100.32$2.77
Mar 20266,3016,3258,1807,41833$91.38$3.04
Feb 20265,3245,25410,1879,15156$64.51$3.62
Jan 20263,5753,59310,7319,80240$60.04$7.72
Dec 20252,7462,7919,3417,86474$57.97$4.26
Nov 20257,5977,61318,31315,501243$60.06$3.79
Oct 20258,5538,56716,64414,93797$60.89$3.19
Sep 20259,0709,13313,41511,669242$63.96$2.97
Aug 202511,74311,69419,39015,932792$64.86$2.91
Jul 202514,62314,64225,75421,336782$68.39$3.20
Jun 202519,04318,96926,75522,933763$68.17$3.02
May 202513,00612,99815,16513,106279$62.17$3.12
Apr 202516,79716,84019,07616,367389$63.54$3.42
Mar 202525,44725,54525,98322,330620$68.24$4.12
Feb 202535,07335,03032,66427,361328$71.53$4.19
Jan 202511,90811,7409,5237,902186$75.74$4.13

Flared above 3%

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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