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Texas oil lease

Producing

GIESE-HENKE UNIT

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

5 wells

178bbl oil, last 12 months−93% vs prior year
Operator
Marathon Oil Ef LLC
County
Atascosa County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-15913

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Where it sits

This county

Atascosa CountyAtascosaWilsonMedinaKarnesFrioBexarAtascosa County
Atascosa County
Gas, last 12 months
111 mcf
Oil in Jul 2026
64 bbl

Production by month

Oil output fell 93% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 93% over the last 12 monthsMonthly oil production and gas for GIESE-HENKE UNIT, Aug 2023 to Jul 2026. Oil output fell 93% over the last 12 months. 178 bbl in the 12 months through Jul 2026, against 2,629 bbl in the 12 months before.Last 12 months: 178 bblbbl per monthmcf per month005002,0001,0004,0001,5006,0002,0008,0002,50010kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 93% over the last 12 monthsMonthly oil production and gas for GIESE-HENKE UNIT, Aug 2023 to Jul 2026. Oil output fell 93% over the last 12 months. 178 bbl in the 12 months through Jul 2026, against 2,629 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005002,0001,0004,0001,5006,0002,0008,0002,50010kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

87% of the gas went to a processing plant in the last 12 months

Flaring peaked at 10.6% of the gas in Jan 2024.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
87% of the gas went to a processing plant in the last 12 monthsShare of GIESE-HENKE UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 87% of the gas went to a processing plant in the last 12 months. Flaring peaked at 10.6% of the gas in Jan 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 10.6%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
87% of the gas went to a processing plant in the last 12 monthsShare of GIESE-HENKE UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 87% of the gas went to a processing plant in the last 12 months. Flaring peaked at 10.6% of the gas in Jan 2024.Share of gas by disposition code0%50%100%Flared 10.6%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    87% · 1,274 mcf

  • Lease fuel (1)

    12% · 170 mcf

  • Flared (4)

    1.9% · 28 mcf

1.9% of the gas flared in the last 12 months. 9 months above 3%.

5 wells on this lease

Wells on GIESE-HENKE UNIT
API numberWell no.Status
42-013-344721HShut-in
42-013-348222HShut-in
42-013-348233HShut-in
42-013-348244HShut-in
42-013-348255HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Genesis Crude Oil, L.p.OilGathers50Jul 1, 2022–
Reynolds Energy Transport LLCOilGathers25Jul 1, 2022–
Statewide Crude Inc.OilGathers25Jul 1, 2022–
Marathon Oil Ef LLCCasinghead gasBuys100May 8, 2012–
Marathon Oil Ef LLCCasinghead gasGathers100May 8, 2012–
Genesis Crude Oil, L.p.OilGathers10May 8, 2012Jul 1, 2022
Gulfmark Energy, Inc.OilGathers80May 8, 2012Jul 1, 2022
Statewide Crude Inc.OilGathers10May 8, 2012Jul 1, 2022

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

Who buys my oilOil price check

385.55 acres on the newest permit

Check your decimal on this lease
Permits for Giese-Henke Unit
API numberWell no.Acreson the permit
42-013-348222H385.55
42-013-348233H385.55
42-013-348244H385.55
42-013-348255H385.55
42-013-344721H385.55

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

36 months, newest first

Ledger for GIESE-HENKE UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026646313110$80.46$2.89
Jun 202622650$84.81$3.15
May 202600000$102.13$2.94
Apr 202600000$100.32$2.77
Mar 202600000$91.38$3.04
Feb 202600000$64.51$3.62
Jan 202600000$60.04$7.72
Dec 202500000$57.97$4.26
Nov 202501000$60.06$3.79
Oct 202511211192821$60.89$3.19
Sep 202500000$63.96$2.97
Aug 202500000$64.86$2.91
Jul 202500000$68.39$3.20
Jun 202504000$68.17$3.02
May 20256586542291984$62.17$3.12
Apr 202502000$63.54$3.42
Mar 202540139980669319$68.24$4.12
Feb 202500000$71.53$4.19
Jan 202500000$75.74$4.13
Dec 2024001090$70.12$3.01
Nov 20247826230$69.95$2.12
Oct 2024737524210$71.99$2.20
Sep 202437338266581$70.24$2.28
Aug 20241,1171,1071581382$76.68$1.99
Jul 202422322132271$81.80$2.07
Jun 202450511090$79.77$2.54
May 20249810141351$80.02$2.12
Apr 202457957549142515$85.35$1.60
Mar 2024016000$81.28$1.49
Feb 20241,3061,32681449859$77.25$1.72
Jan 20248758771,251566132$74.15$3.18
Dec 20231,5401,5322,1811,189129$71.90$2.52
Nov 20231,3811,3812,2161,231114$77.69$2.71
Oct 20231,7721,7883,0991,512104$85.64$2.98
Sep 20231,6621,6582,8781,383152$89.43$2.64
Aug 20232,1482,1465,2483,734254$81.39$2.58

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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This lease belongs to

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

Marathon Oil Ef LLC in Atascosa County

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