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Texas oil lease

Producing

HENKE UNIT A

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

5 wells

13,723bbl oil, last 12 months−38% vs prior year
Operator
Marathon Oil Ef LLC
County
Atascosa County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-15596

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Where it sits

This county

Atascosa CountyAtascosaWilsonMedinaKarnesFrioBexarAtascosa County
Atascosa County
Gas, last 12 months
8,473 mcf
Oil in Jul 2026
747 bbl

Production by month

Oil output fell 38% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 38% over the last 12 monthsMonthly oil production and gas for HENKE UNIT A, Aug 2023 to Jul 2026. Oil output fell 38% over the last 12 months. 13,723 bbl in the 12 months through Jul 2026, against 22,270 bbl in the 12 months before.Last 12 months: 13,723 bblbbl per monthmcf per month001,0001,0002,0002,0003,0003,0004,0004,0005,0005,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 38% over the last 12 monthsMonthly oil production and gas for HENKE UNIT A, Aug 2023 to Jul 2026. Oil output fell 38% over the last 12 months. 13,723 bbl in the 12 months through Jul 2026, against 22,270 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0001,0002,0002,0003,0003,0004,0004,0005,0005,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuel

Flaring peaked at 14.6% of the gas in Aug 2023.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuelShare of HENKE UNIT A gas by disposition code each month, Aug 2023 to Jul 2026. Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 14.6% of the gas in Aug 2023.Share of the lease’s gas by disposition code, per month0%50%100%Mar 2024: fuel to plantFlared 14.6%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuelShare of HENKE UNIT A gas by disposition code each month, Aug 2023 to Jul 2026. Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 14.6% of the gas in Aug 2023.Share of gas by disposition code0%50%100%Mar 24: fuel to plantFlared 14.6%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    77% · 6,532 mcf

  • Lease fuel (1)

    21% · 1,775 mcf

  • Flared (4)

    2.0% · 166 mcf

2.0% of the gas flared in the last 12 months. 21 months above 3%.

5 wells on this lease

Wells on HENKE UNIT A
API numberWell no.Status
42-013-343431HActive
42-013-347743HActive
42-013-347752HActive
42-013-347764HActive
42-013-355045HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCOilGathers25Jul 1, 2022–
Harvest Midstream CompanyOilGathers25Jul 1, 2022–
Reynolds Energy Transport LLCOilGathers25Jul 1, 2022–
Trafigura Trading LLCOilGathers25Jul 1, 2022–
Marathon Oil Ef LLCCasinghead gasBuys100Jan 1, 2017–
Marathon Oil Ef LLCCasinghead gasGathers100Jan 1, 2017–
Enterprise Crude Oil LLCOilGathers1Jan 1, 2017Jul 1, 2022
Gulfmark Energy, Inc.OilGathers1Jan 1, 2017Jul 1, 2022
Harvest Midstream CompanyOilGathers97Jan 1, 2017Jul 1, 2022
Trafigura Trading LLCOilGathers1Jan 1, 2017Jul 1, 2022

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

Who buys my oilOil price check

299.56 acres on the newest permit

The wells on this lease state different acreage

The permits state between 299.56 and 320 acres.

Permits for Henke Unit A
API numberWell no.Acreson the permit
42-013-355045H299.56
42-013-347743H299.56
42-013-347752H299.56
42-013-347764H299.56
42-013-343431H320

SourceRailroad Commission drilling permits, Sep 26, 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 HENKE UNIT A
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20267477372271673$80.46$2.89
Jun 20269069131781243$84.81$3.15
May 20261,1301,1644053018$102.13$2.94
Apr 20261,2081,1733332438$100.32$2.77
Mar 20261,0541,0651711313$91.38$3.04
Feb 20266776872391815$64.51$3.62
Jan 20261,4871,4672,4471,94540$60.04$7.72
Dec 20251,2471,2491,7311,39937$57.97$4.26
Nov 20251,3071,3093202368$60.06$3.79
Oct 20251,0721,07439628113$60.89$3.19
Sep 20251,3551,3511,16986623$63.96$2.97
Aug 20251,5331,54085765815$64.86$2.91
Jul 20251,5981,5791,29396233$68.39$3.20
Jun 20251,6981,7201,6941,168102$68.17$3.02
May 20251,5581,5651,9241,02756$62.17$3.12
Apr 20251,5901,6091,47990582$63.54$3.42
Mar 20252,1432,1131,287685111$68.24$4.12
Feb 20251,7541,75065635934$71.53$4.19
Jan 20251,9601,96053229429$75.74$4.13
Dec 20241,6841,6721,01060925$70.12$3.01
Nov 20241,5981,6041,59296851$69.95$2.12
Oct 20242,7642,7602,4081,515138$71.99$2.20
Sep 20241,8901,9002,4451,71877$70.24$2.28
Aug 20242,0332,0284,2572,523240$76.68$1.99
Jul 20241,9081,9033,7462,594190$81.80$2.07
Jun 20241,4751,4811,5261,08763$79.77$2.54
May 20241,5431,5601,46994757$80.02$2.12
Apr 20241,7371,7522,0531,33560$85.35$1.60
Mar 20242,1452,1282,1611,38367$81.28$1.49
Feb 20241,9031,9003,238333218$77.25$1.72
Jan 20242,6722,6744,092376461$74.15$3.18
Dec 20231,7711,7683,0544205$71.90$2.52
Nov 20231,6291,6222,9261340$77.69$2.71
Oct 20231,7731,7813,227123182$85.64$2.98
Sep 20231,6621,6873,586161466$89.43$2.64
Aug 20232,5322,4893,865289566$81.39$2.58

Flared above 3%

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 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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