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Texas gas well

Producing

HAVEMAN 01

Haveman 01 is a gas well in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Eagle Ford) field.

1 well

14,783mcf gas, last 12 months−51% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-280507

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
1,322 bbl
Gas in Jul 2026
944 mcf

Production by month

Gas output fell 51% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 51% over the last 12 monthsMonthly gas production and oil for HAVEMAN 01, Aug 2023 to Jul 2026. Gas output fell 51% over the last 12 months. 14,783 mcf in the 12 months through Jul 2026, against 29,987 mcf in the 12 months before.Last 12 months: 14,783 mcfmcf per monthbbl per month001,0001002,0002003,0003004,000400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 51% over the last 12 monthsMonthly gas production and oil for HAVEMAN 01, Aug 2023 to Jul 2026. Gas output fell 51% over the last 12 months. 14,783 mcf in the 12 months through Jul 2026, against 29,987 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month001,0001002,0002003,0003004,000400Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

All of the gas went to a processing plant in the last 12 monthsShare of HAVEMAN 01 gas by disposition code each month, Aug 2023 to Jul 2026. All 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
All of the gas went to a processing plant in the last 12 monthsShare of HAVEMAN 01 gas by disposition code each month, Aug 2023 to Jul 2026. All 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.

Who has run this lease

The operator changed once, most recently in Mar 2023

Operators of this lease over timeEnsign Operating LLC, Jan 2020 to Feb 2023; Marathon Oil Ef LLC, Mar 2023 to Jul 20262020202120222023202420252026Changed Mar 2023Ensign Operating LLCJan 2020 to Feb 2023Marathon Oil Ef LLCMar 2023 to now
Operators of this lease over timeEnsign Operating LLC, Jan 2020 to Feb 2023; Marathon Oil Ef LLC, Mar 2023 to Jul 20262020202120222023202420252026Changed Mar 2023Ensign Operating LLCJan 2020 to Feb 2023Marathon Oil Ef LLCMar 2023 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on HAVEMAN 01
API numberWell no.Status
42-255-3421606HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCCondensateGathers50Mar 1, 2023–
Enterprise Crude Pipeline LLCCondensateGathers50Mar 1, 2023–
Marathon Oil Ef LLCGas-well gasBuys100Mar 1, 2023–
Marathon Oil Ef LLCGas-well gasGathers100Mar 1, 2023–
Gulfmark Energy, Inc.CondensateGathers100Oct 2, 2019Mar 1, 2023
Ensign Operating LLCGas-well gasGathers100Oct 2, 2019Mar 1, 2023
Ensign Operating LLCGas-well gasBuys100Oct 2, 2019Mar 1, 2023
Ensign Operating LLCCondensateGathers50Oct 1, 2019Oct 2, 2019
Enterprise Crude Oil LLCCondensateGathers25Oct 1, 2019Oct 2, 2019
Enterprise Crude Pipeline LLCCondensateGathers25Oct 1, 2019Oct 2, 2019

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

Who buys my oilOil price check

629.78 acres on the newest permit

Check your decimal on this lease
Permits for Haveman 01
API numberWell no.Acreson the permit
42-255-3421606H629.78

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 HAVEMAN 01
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Marathon Oil91919449440$80.46$2.89
Jun 2026Marathon Oil31313733730$84.81$3.15
May 2026Marathon Oil71718488480$102.13$2.94
Apr 2026Marathon Oil76767857850$100.32$2.77
Mar 2026Marathon Oil69698418410$91.38$3.04
Feb 2026Marathon Oil74747387380$64.51$3.62
Jan 2026Marathon Oil45457307300$60.04$7.72
Dec 2025Marathon Oil1081081,7841,7840$57.97$4.26
Nov 2025Marathon Oil1171171,2881,2880$60.06$3.79
Oct 2025Marathon Oil2282282,0192,0190$60.89$3.19
Sep 2025Marathon Oil2582582,7972,7970$63.96$2.97
Aug 2025Marathon Oil1541541,6361,6360$64.86$2.91
Jul 2025Marathon Oil2322322,4932,4930$68.39$3.20
Jun 2025Marathon Oil2022021,9341,9340$68.17$3.02
May 2025Marathon Oil1771772,1482,1480$62.17$3.12
Apr 2025Marathon Oil1781782,2742,2740$63.54$3.42
Mar 2025Marathon Oil2102102,8352,8350$68.24$4.12
Feb 2025Marathon Oil2312312,3862,3860$71.53$4.19
Jan 2025Marathon Oil1991993,2263,2260$75.74$4.13
Dec 2024Marathon Oil2232232,5662,5660$70.12$3.01
Nov 2024Marathon Oil2632632,7192,7190$69.95$2.12
Oct 2024Marathon Oil2142142,1432,1430$71.99$2.20
Sep 2024Marathon Oil2672672,8132,8130$70.24$2.28
Aug 2024Marathon Oil2232232,4502,4500$76.68$1.99
Jul 2024Marathon Oil2472472,7812,7810$81.80$2.07
Jun 2024Marathon Oil2662662,8752,8750$79.77$2.54
May 2024Marathon Oil2572572,8012,8010$80.02$2.12
Apr 2024Marathon Oil2622622,8192,8190$85.35$1.60
Mar 2024Marathon Oil2742742,8222,8220$81.28$1.49
Feb 2024Marathon Oil3103102,6082,6080$77.25$1.72
Jan 2024Marathon Oil2792792,7722,7720$74.15$3.18
Dec 2023Marathon Oil3233232,9062,9060$71.90$2.52
Nov 2023Marathon Oil2972972,7072,7070$77.69$2.71
Oct 2023Marathon Oil3353352,9812,9810$85.64$2.98
Sep 2023Marathon Oil2862862,6262,6260$89.43$2.64
Aug 2023Marathon Oil2812812,6812,6810$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 LLCFieldSugarkane (Eagle Ford)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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Sugarkane (Eagle Ford) field

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