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Texas gas well

Producing

HAVEMAN TRUST 01 - H01 D

Haveman Trust 01 - H01 D is a gas well in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Eagle Ford) field.

1 well

239,436mcf gas, last 12 months−24% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-292696

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
10,260 bbl
Gas in Jul 2026
21,709 mcf

Production by month

Gas output fell 24% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 24% over the last 12 monthsMonthly gas production and oil for HAVEMAN TRUST 01 - H01 D, Aug 2023 to Jul 2026. Gas output fell 24% over the last 12 months. 239,436 mcf in the 12 months through Jul 2026, against 313,008 mcf in the 12 months before.Last 12 months: 239,436 mcfmcf per monthbbl per month0020k1,00040k2,00060k3,00080k4,000100k5,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 24% over the last 12 monthsMonthly gas production and oil for HAVEMAN TRUST 01 - H01 D, Aug 2023 to Jul 2026. Gas output fell 24% over the last 12 months. 239,436 mcf in the 12 months through Jul 2026, against 313,008 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month0020k1,00040k2,00060k3,00080k4,000100k5,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

94% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
94% of the gas went to a processing plant in the last 12 monthsShare of HAVEMAN TRUST 01 - H01 D gas by disposition code each month, Aug 2023 to Jul 2026. 94% 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
94% of the gas went to a processing plant in the last 12 monthsShare of HAVEMAN TRUST 01 - H01 D gas by disposition code each month, Aug 2023 to Jul 2026. 94% 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)

    94% · 245,036 mcf

  • Lease fuel (1)

    6.3% · 16,594 mcf

Who has run this lease

The operator changed once, most recently in Mar 2023

Operators of this lease over timeEnsign Operating LLC, May 2022 to Feb 2023; Marathon Oil Ef LLC, Mar 2023 to Jul 20262023202420252026Changed Mar 2023Ensign Operating LLCMay 2022 to Feb 2023Marathon Oil Ef LLCMar 2023 to now
Operators of this lease over timeEnsign Operating LLC, May 2022 to Feb 2023; Marathon Oil Ef LLC, Mar 2023 to Jul 20262023202420252026Changed Mar 2023Ensign Operating LLCMay 2022 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 TRUST 01 - H01 D
API numberWell no.Status
42-255-3719904HActive

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–
Ensign Operating LLCCondensateGathers50May 2, 2022Mar 1, 2023
Enterprise Crude Oil LLCCondensateGathers25May 2, 2022Mar 1, 2023
Enterprise Crude Pipeline LLCCondensateGathers25May 2, 2022Mar 1, 2023
Ensign Operating LLCGas-well gasGathers50May 2, 2022Mar 1, 2023
Enterprise Products Operating LLCGas-well gasGathers50May 2, 2022Mar 1, 2023
Enterprise Products Operating LLCGas-well gasBuys100May 2, 2022Mar 1, 2023

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

Who buys my oilOil price check

1,229.36 acres on the newest permit

  • Worth asking

    A production sharing agreement well is on this lease

    A production sharing agreement divides production by a method the agreement sets. Ask the operator for the agreement and the tract percentage it gives your land.

  • 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 Haveman Trust 01 - H01 D
API numberWell no.Acreson the permit
42-255-3719904H1,229.36

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 TRUST 01 - H01 D
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Marathon Oil1,0061,00621,70920,0810$80.46$2.89
Jun 2026Marathon Oil60260220,54518,8850$84.81$3.15
May 2026Marathon Oil84284223,78621,6040$102.13$2.94
Apr 2026Marathon Oil81581523,68221,8010$100.32$2.77
Mar 2026Marathon Oil70370326,39524,7030$91.38$3.04
Feb 2026Marathon Oil1,0521,05230,71229,3790$64.51$3.62
Jan 2026Marathon Oil00000$60.04$7.72
Dec 2025Marathon Oil57157110,0009,3480$57.97$4.26
Nov 2025Marathon Oil1,0901,09018,25917,1920$60.06$3.79
Oct 2025Marathon Oil1,2281,22820,84819,6520$60.89$3.19
Sep 2025Marathon Oil1,0001,00020,73019,6790$63.96$2.97
Aug 2025Marathon Oil1,3511,35122,77021,5850$64.86$2.91
Jul 2025Marathon Oil1,2231,22322,19421,1270$68.39$3.20
Jun 2025Marathon Oil91291219,72118,7400$68.17$3.02
May 2025Marathon Oil1,1001,10022,50321,3030$62.17$3.12
Apr 2025Marathon Oil1,2631,26322,57521,5050$63.54$3.42
Mar 2025Marathon Oil1,2431,24323,70022,3350$68.24$4.12
Feb 2025Marathon Oil1,2741,27422,69121,3830$71.53$4.19
Jan 2025Marathon Oil1,6641,66423,84022,3330$75.74$4.13
Dec 2024Marathon Oil1,6241,62428,22726,8060$70.12$3.01
Nov 2024Marathon Oil1,5131,51328,50927,1460$69.95$2.12
Oct 2024Marathon Oil1,6701,67030,16728,3670$71.99$2.20
Sep 2024Marathon Oil1,6601,66030,98729,5420$70.24$2.28
Aug 2024Marathon Oil2,0292,02937,89436,5490$76.68$1.99
Jul 2024Marathon Oil1,9911,99140,87639,5110$81.80$2.07
Jun 2024Marathon Oil2,1692,16939,58838,2630$79.77$2.54
May 2024Marathon Oil1,8271,82729,20228,2370$80.02$2.12
Apr 2024Marathon Oil2,1122,11234,87133,8340$85.35$1.60
Mar 2024Marathon Oil2,7262,72642,29940,9960$81.28$1.49
Feb 2024Marathon Oil3,0163,01642,74741,5160$77.25$1.72
Jan 2024Marathon Oil3,4063,40648,07246,8900$74.15$3.18
Dec 2023Marathon Oil3,6813,68154,31353,1800$71.90$2.52
Nov 2023Marathon Oil4,3264,32660,55559,3340$77.69$2.71
Oct 2023Marathon Oil1,4901,49020,38619,7700$85.64$2.98
Sep 2023Marathon Oil4,4824,48261,97460,7270$89.43$2.64
Aug 2023Marathon Oil3,1553,15539,27138,2620$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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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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