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Texas oil lease

Producing

MAUCH-HENKE UNIT

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

1 well

1,038bbl oil, last 12 months−10% vs prior year
Operator
Marathon Oil Ef LLC
County
Atascosa County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-16427

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Where it sits

This county

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

Checks stopped on this lease?

  • Sales

    No sales reported for the last 2 months of state data (through Jul 2026).

  • Sales

    Sales over the last 3 months fell to 3% of the 9 months before.

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

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Production by month

Oil output fell 10% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 10% over the last 12 monthsMonthly oil production and gas for MAUCH-HENKE UNIT, Aug 2023 to Jul 2026. Oil output fell 10% over the last 12 months. 1,038 bbl in the 12 months through Jul 2026, against 1,157 bbl in the 12 months before.Last 12 months: 1,038 bblbbl per monthmcf per month00100100200200300300400400500500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 10% over the last 12 monthsMonthly oil production and gas for MAUCH-HENKE UNIT, Aug 2023 to Jul 2026. Oil output fell 10% over the last 12 months. 1,038 bbl in the 12 months through Jul 2026, against 1,157 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00100100200200300300400400500500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

82% of the gas went to a processing plant in the last 12 months

Flaring peaked at 6.6% of the gas in May 2024.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
82% of the gas went to a processing plant in the last 12 monthsShare of MAUCH-HENKE UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 82% of the gas went to a processing plant in the last 12 months. Flaring peaked at 6.6% of the gas in May 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 6.6%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
82% of the gas went to a processing plant in the last 12 monthsShare of MAUCH-HENKE UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 82% of the gas went to a processing plant in the last 12 months. Flaring peaked at 6.6% of the gas in May 2024.Share of gas by disposition code0%50%100%Flared 6.6%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    82% · 540 mcf

  • Lease fuel (1)

    15% · 98 mcf

  • Flared (4)

    2.9% · 19 mcf

2.9% of the gas flared in the last 12 months. 8 months above 3%.

1 well on this lease

Wells on MAUCH-HENKE UNIT
API numberWell no.Status
42-013-345881HActive

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 17, 2012–
Marathon Oil Ef LLCCasinghead gasGathers100Oct 17, 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 17, 2012Jul 1, 2022
Statewide Crude Inc.OilGathers90Oct 17, 2012Jul 1, 2022

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

Who buys my oilOil price check

313.69 acres on the newest permit

Check your decimal on this lease
Permits for Mauch-Henke Unit
API numberWell no.Acreson the permit
42-013-345881H313.69

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 MAUCH-HENKE UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202600000$80.46$2.89
Jun 202600330$84.81$3.15
May 202681013110$102.13$2.94
Apr 2026636130260$100.32$2.77
Mar 202600000$91.38$3.04
Feb 202605000$64.51$3.62
Jan 202629329423200$60.04$7.72
Dec 202526826221180$57.97$4.26
Nov 202506980$60.06$3.79
Oct 202540640035300$60.89$3.19
Sep 202500000$63.96$2.97
Aug 202505000$64.86$2.91
Jul 202531431022171$68.39$3.20
Jun 20254746430$68.17$3.02
May 202502000$62.17$3.12
Apr 20251311342261866$63.54$3.42
Mar 202527827425520611$68.24$4.12
Feb 2025424116121$71.53$4.19
Jan 202500000$75.74$4.13
Dec 202400000$70.12$3.01
Nov 2024272717141$69.95$2.12
Oct 202400000$71.99$2.20
Sep 20242024870$70.24$2.28
Aug 202429829551442$76.68$1.99
Jul 202418218225221$81.80$2.07
Jun 202424325560542$79.77$2.54
May 202429728476525$80.02$2.12
Apr 202407000$85.35$1.60
Mar 202420219515120$81.28$1.49
Feb 2024911110$77.25$1.72
Jan 2024525348441$74.15$3.18
Dec 202313813840370$71.90$2.52
Nov 2023139141103951$77.69$2.71
Oct 20232502532762582$85.64$2.98
Sep 20233713683142943$89.43$2.64
Aug 20233673724163868$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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