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KRUEGER-ZUNKER UNIT

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

1 well

953bbl oil, last 12 months−57% vs prior year
Operator
Marathon Oil Ef LLC
County
Atascosa County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-16366

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Where it sits

This county

Atascosa CountyAtascosaWilsonMedinaKarnesFrioBexarAtascosa County
Atascosa County
Gas, last 12 months
1,355 mcf
Oil in Jul 2026
0 bbl

Checks stopped on this lease?

  • Sales

    No sales reported for the last 4 months of state data (through Jul 2026).

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Oil output fell 57% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 57% over the last 12 monthsMonthly oil production and gas for KRUEGER-ZUNKER UNIT, Aug 2023 to Jul 2026. Oil output fell 57% over the last 12 months. 953 bbl in the 12 months through Jul 2026, against 2,226 bbl in the 12 months before.Last 12 months: 953 bblbbl per monthmcf per month002002504005006007508001,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 57% over the last 12 monthsMonthly oil production and gas for KRUEGER-ZUNKER UNIT, Aug 2023 to Jul 2026. Oil output fell 57% over the last 12 months. 953 bbl in the 12 months through Jul 2026, against 2,226 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002002504005006007508001,000Jan 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

Flaring peaked at 4.0% 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 KRUEGER-ZUNKER 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. Flaring peaked at 4.0% of the gas in Aug 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 4.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
86% of the gas went to a processing plant in the last 12 monthsShare of KRUEGER-ZUNKER 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. Flaring peaked at 4.0% of the gas in Aug 2025.Share of gas by disposition code0%50%100%Flared 4.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    86% · 2,480 mcf

  • Lease fuel (1)

    13% · 372 mcf

  • Flared (4)

    1.6% · 46 mcf

1.6% of the gas flared in the last 12 months. 4 months above 3%.

1 well on this lease

Wells on KRUEGER-ZUNKER UNIT
API numberWell no.Status
42-013-345951HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Endeavor Crude, LLCOilGathers40Jan 1, 2024–
Enterprise Crude Oil LLCOilGathers20Jan 1, 2024–
Genesis Crude Oil, L.p.OilGathers20Jan 1, 2024–
Statewide Crude Inc.OilGathers20Jan 1, 2024–
Marathon Oil Ef LLCCasinghead gasBuys100Oct 30, 2012–
Marathon Oil Ef LLCCasinghead gasGathers100Oct 30, 2012–
Dks Transport LLCOilGathers25Jul 1, 2022Jan 1, 2024
Pilot Travel Centers LLCOilGathers25Jul 1, 2022Jan 1, 2024
Reynolds Energy Transport LLCOilGathers25Jul 1, 2022Jan 1, 2024
Statewide Crude Inc.OilGathers25Jul 1, 2022Jan 1, 2024
Gulfmark Energy, Inc.OilGathers10Oct 30, 2012Jul 1, 2022
Statewide Crude Inc.OilGathers90Oct 30, 2012Jul 1, 2022

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

Who buys my oilOil price check

308.07 acres on the newest permit

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Permits for Krueger-Zunker Unit
API numberWell no.Acreson the permit
42-013-345951H308.07

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 KRUEGER-ZUNKER UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202600000$80.46$2.89
Jun 202600000$84.81$3.15
May 202600000$102.13$2.94
Apr 202600000$100.32$2.77
Mar 202602000$91.38$3.04
Feb 202610710558520$64.51$3.62
Jan 202600000$60.04$7.72
Dec 202500000$57.97$4.26
Nov 20257927230$60.06$3.79
Oct 20251831844544073$60.89$3.19
Sep 20252652683442996$63.96$2.97
Aug 202539138547238819$64.86$2.91
Jul 202501000$68.39$3.20
Jun 2025646438331$68.17$3.02
May 202524724884722$62.17$3.12
Apr 202540440370601$63.54$3.42
Mar 2025204205103892$68.24$4.12
Feb 202529929978651$71.53$4.19
Jan 20251181162341945$75.74$4.13
Dec 202432349367986$70.12$3.01
Nov 20241721747746748$69.95$2.12
Oct 20243793772492164$71.99$2.20
Sep 202426926786775619$70.24$2.28
Aug 2024383886175111$76.68$1.99
Jul 2024242433728613$81.80$2.07
Jun 202403000$79.77$2.54
May 20246126101641406$80.02$2.12
Apr 20241011011211054$85.35$1.60
Mar 202415515595842$81.28$1.49
Feb 2024828152481$77.25$1.72
Jan 2024011000$74.15$3.18
Dec 20234334303903683$71.90$2.52
Nov 20233693683403222$77.69$2.71
Oct 20234074032802631$85.64$2.98
Sep 2023107107980$89.43$2.64
Aug 20231501561251181$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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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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