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Texas oil lease

Producing

MARTINEZ-HENKE UNIT

Martinez-Henke Unit is an oil lease in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Eagleville (Eagle Ford-2) field.

3 wells

8,535bbl oil, last 12 months−51% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-09887

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
4,213 mcf
Oil in Jul 2026
389 bbl

Production by month

Oil output fell 51% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 51% over the last 12 monthsMonthly oil production and gas for MARTINEZ-HENKE UNIT, Aug 2023 to Jul 2026. Oil output fell 51% over the last 12 months. 8,535 bbl in the 12 months through Jul 2026, against 17,256 bbl in the 12 months before.Last 12 months: 8,535 bblbbl per monthmcf per month005005001,0001,0001,5001,5002,0002,0002,5002,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 51% over the last 12 monthsMonthly oil production and gas for MARTINEZ-HENKE UNIT, Aug 2023 to Jul 2026. Oil output fell 51% over the last 12 months. 8,535 bbl in the 12 months through Jul 2026, against 17,256 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005005001,0001,0001,5001,5002,0002,0002,5002,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

73% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
73% of the gas went to a processing plant in the last 12 monthsShare of MARTINEZ-HENKE UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 73% of the gas went to a processing plant in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
73% of the gas went to a processing plant in the last 12 monthsShare of MARTINEZ-HENKE UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 73% of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    73% · 3,560 mcf

  • Lease fuel (1)

    26% · 1,271 mcf

  • Flared (4)

    1.0% · 50 mcf

1.0% of the gas flared in the last 12 months. No month above 3%.

3 wells on this lease

Wells on MARTINEZ-HENKE UNIT
API numberWell no.Status
42-255-321331HActive
42-255-332582HShut-in
42-255-332593HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Endeavor Crude, LLCOilGathers25Jan 1, 2024–
Enterprise Crude Oil LLCOilGathers25Jan 1, 2024–
Genesis Crude Oil, L.p.OilGathers25Jan 1, 2024–
Statewide Crude Inc.OilGathers25Jan 1, 2024–
Marathon Oil Ef LLCCasinghead gasBuys100Nov 1, 2021–
Marathon Oil Ef LLCCasinghead gasGathers100Nov 1, 2021–
Dks Transport LLCOilGathers20Nov 1, 2021Jan 1, 2024
Enterprise Crude Oil LLCOilGathers20Nov 1, 2021Jan 1, 2024
Harvest Midstream CompanyOilGathers20Nov 1, 2021Jan 1, 2024
Reynolds Energy Transport LLCOilGathers20Jul 1, 2022Jan 1, 2024
Trafigura Trading LLCOilGathers20Nov 1, 2021Jan 1, 2024
Gulfmark Energy, Inc.OilGathers20Nov 1, 2021Jul 1, 2022

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

Who buys my oilOil price check

252.30 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 252.3 and 360 acres. Use the acres from your own division order for the well you are paid on.

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for Martinez-Henke Unit
API numberWell no.Acreson the permit
42-255-332593H252.30
42-255-332582H252.30
42-255-321331H360

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 MARTINEZ-HENKE UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20263893872931693$80.46$2.89
Jun 2026217234115751$84.81$3.15
May 20269589393572174$102.13$2.94
Apr 2026159160130891$100.32$2.77
Mar 2026214210101692$91.38$3.04
Feb 2026012000$64.51$3.62
Jan 20266216192401756$60.04$7.72
Dec 20257227304043054$57.97$4.26
Nov 20251,1351,1425904427$60.06$3.79
Oct 20251,5051,4987005225$60.89$3.19
Sep 20251,3511,3496144673$63.96$2.97
Aug 20251,2641,2666695198$64.86$2.91
Jul 20251,0261,0306685116$68.39$3.20
Jun 20251,5371,5307885997$68.17$3.02
May 20251,2111,2446515016$62.17$3.12
Apr 20251,6851,6557615907$63.54$3.42
Mar 20251,6251,6216965264$68.24$4.12
Feb 20259739791,2919799$71.53$4.19
Jan 20251,5221,5198056087$75.74$4.13
Dec 20241,5251,5222,0191,56811$70.12$3.01
Nov 20241,4581,4572,2591,79511$69.95$2.12
Oct 20241,6531,6532,2011,76513$71.99$2.20
Sep 20241,4131,4141,9591,56013$70.24$2.28
Aug 20241,6281,6262,1031,67715$76.68$1.99
Jul 20241,6641,6601,1028998$81.80$2.07
Jun 20241,2231,2268737305$79.77$2.54
May 20241,5431,5441,1699946$80.02$2.12
Apr 20241,6701,6681,17798614$85.35$1.60
Mar 20241,5451,5441,0739155$81.28$1.49
Feb 20241,3941,39786960114$77.25$1.72
Jan 20249639616064537$74.15$3.18
Dec 20232,0011,9991,28194911$71.90$2.52
Nov 20231,8081,8061,22088013$77.69$2.71
Oct 20231,2801,2791,0736269$85.64$2.98
Sep 20231,3151,3199236326$89.43$2.64
Aug 20231,2041,2009546597$81.39$2.58

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-2)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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Eagleville (Eagle Ford-2) field

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