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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

12,693mcf gas, last 12 months−45% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-280386

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
1,287 bbl
Gas in Jul 2026
2,457 mcf

Production by month

Gas output fell 45% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 45% over the last 12 monthsMonthly gas production and oil for HAVEMAN 01, Aug 2023 to Jul 2026. Gas output fell 45% over the last 12 months. 12,693 mcf in the 12 months through Jul 2026, against 23,130 mcf in the 12 months before.Last 12 months: 12,693 mcfmcf per monthbbl per month001,0001002,0002003,0003004,000400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 45% over the last 12 monthsMonthly gas production and oil for HAVEMAN 01, Aug 2023 to Jul 2026. Gas output fell 45% over the last 12 months. 12,693 mcf in the 12 months through Jul 2026, against 23,130 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
42-255-3421303HActive

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
42-255-3421303H629.78

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 Oil3103102,4572,4570$80.46$2.89
Jun 2026Marathon Oil41413753750$84.81$3.15
May 2026Marathon Oil1001009439430$102.13$2.94
Apr 2026Marathon Oil2172171,9811,9810$100.32$2.77
Mar 2026Marathon Oil64644234230$91.38$3.04
Feb 2026Marathon Oil1481481,4661,4660$64.51$3.62
Jan 2026Marathon Oil75754054050$60.04$7.72
Dec 2025Marathon Oil79794894890$57.97$4.26
Nov 2025Marathon Oil1171171,0581,0580$60.06$3.79
Oct 2025Marathon Oil44441,0351,0350$60.89$3.19
Sep 2025Marathon Oil44449569560$63.96$2.97
Aug 2025Marathon Oil48481,1051,1050$64.86$2.91
Jul 2025Marathon Oil71711,7421,7420$68.39$3.20
Jun 2025Marathon Oil83832,1192,1190$68.17$3.02
May 2025Marathon Oil88882,1442,1440$62.17$3.12
Apr 2025Marathon Oil81812,0542,0540$63.54$3.42
Mar 2025Marathon Oil73731,6971,6970$68.24$4.12
Feb 2025Marathon Oil69691,5211,5210$71.53$4.19
Jan 2025Marathon Oil72721,7531,7530$75.74$4.13
Dec 2024Marathon Oil83831,9481,9480$70.12$3.01
Nov 2024Marathon Oil1371372,5062,5060$69.95$2.12
Oct 2024Marathon Oil78788338330$71.99$2.20
Sep 2024Marathon Oil2272272,3502,3500$70.24$2.28
Aug 2024Marathon Oil2352352,4632,4630$76.68$1.99
Jul 2024Marathon Oil2592592,7242,7240$81.80$2.07
Jun 2024Marathon Oil2472472,4212,4210$79.77$2.54
May 2024Marathon Oil2512512,6022,6020$80.02$2.12
Apr 2024Marathon Oil2302302,4522,4520$85.35$1.60
Mar 2024Marathon Oil2632632,7272,7270$81.28$1.49
Feb 2024Marathon Oil2782782,7482,7480$77.25$1.72
Jan 2024Marathon Oil2882883,0173,0170$74.15$3.18
Dec 2023Marathon Oil3113112,8622,8620$71.90$2.52
Nov 2023Marathon Oil3093093,0843,0840$77.69$2.71
Oct 2023Marathon Oil3303303,1943,1940$85.64$2.98
Sep 2023Marathon Oil3283283,2423,2420$89.43$2.64
Aug 2023Marathon Oil3293293,3003,3000$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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