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Texas oil lease

Producing

MAHLMANN HEIRS

Mahlmann Heirs is an oil lease in Fort Bend County, Texas, operated by KZ Global Energy, LLC in the Big Creek field.

2 wells

40bbl oil, last 12 months+60% vs prior year
Operator
KZ Global Energy, LLC
County
Fort Bend County
Field
Big Creek
RRC lease
03-13175

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Where it sits

This county

Fort Bend CountyFort BendBrazoriaAustinWhartonHarrisWallerColoradoFort Bend County
Fort Bend County
Oil in Jul 2026
3 bbl
Reporting since
Jan 2020

Checks stopped on this lease?

  • P-5

    The current operator's P-5 registration is listed as delinquent (last P-5 filed Jul 8, 2025).

  • Sales

    No sales reported for the last 9 months of state data (through Jul 2026).

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Oil output rose 60% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output rose 60% over the last 12 monthsMonthly oil production for MAHLMANN HEIRS, Aug 2023 to Jul 2026. Oil output rose 60% over the last 12 months. 40 bbl in the 12 months through Jul 2026, against 25 bbl in the 12 months before.Last 12 months: 40 bblbbl per month02468Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 60% over the last 12 monthsMonthly oil production for MAHLMANN HEIRS, Aug 2023 to Jul 2026. Oil output rose 60% over the last 12 months. 40 bbl in the 12 months through Jul 2026, against 25 bbl in the 12 months before.Last 12 monthsbbl per month02468Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

Who has run this lease

The operator changed once, most recently in Aug 2022

Operators of this lease over timeConel Resources, LLC, Jan 2020 to Jul 2022; KZ Global Energy, LLC, Aug 2022 to Jul 20262020202120222023202420252026Changed Aug 2022Conel Resources, LLCJan 2020 to Jul 2022KZ Global Energy, LLCAug 2022 to now
Operators of this lease over timeConel Resources, LLC, Jan 2020 to Jul 2022; KZ Global Energy, LLC, Aug 2022 to Jul 20262020202120222023202420252026Changed Aug 2022Conel Resources, LLCJan 2020 to Jul 2022KZ Global Energy, LLCAug 2022 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

2 wells on this lease

Wells on MAHLMANN HEIRS
API numberWell no.Status
42-157-310501Active
42-157-331443Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Truth Resources, L.p.OilGathers100Aug 1, 2022–
Shell Trading (Us) CompanyOilGathers100May 1, 2013Aug 1, 2022

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

Who buys my oilOil price check

100.86 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 100.86 and 200 acres. Use the acres from your own division order for the well you are paid on.

Check your decimal on this lease
Permits for Mahlmann Heirs
API numberWell no.Acreson the permit
42-157-331443100.86
42-157-310501200

SourceRailroad Commission drilling permits, Oct 3, 2026 (source 1, source 2).

Unit decimal checker

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36 months, newest first

Ledger for MAHLMANN HEIRS
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026KZ Global30$80.46$2.89
Jun 2026KZ Global30$84.81$3.15
May 2026KZ Global40$102.13$2.94
Apr 2026KZ Global50$100.32$2.77
Mar 2026KZ Global50$91.38$3.04
Feb 2026KZ Global20$64.51$3.62
Jan 2026KZ Global30$60.04$7.72
Dec 2025KZ Global30$57.97$4.26
Nov 2025KZ Global30$60.06$3.79
Oct 2025KZ Global3163$60.89$3.19
Sep 2025KZ Global30$63.96$2.97
Aug 2025KZ Global30$64.86$2.91
Jul 2025KZ Global40$68.39$3.20
Jun 2025KZ Global20$68.17$3.02
May 2025KZ Global40$62.17$3.12
Apr 2025KZ Global30$63.54$3.42
Mar 2025KZ Global50$68.24$4.12
Feb 2025KZ Global20$71.53$4.19
Jan 2025KZ Global30$75.74$4.13
Dec 2024KZ Global00$70.12$3.01
Nov 2024KZ Global20$69.95$2.12
Oct 2024KZ Global00$71.99$2.20
Sep 2024KZ Global00$70.24$2.28
Aug 2024KZ Global00$76.68$1.99
Jul 2024KZ Global00$81.80$2.07
Jun 2024KZ Global00$79.77$2.54
May 2024KZ Global00$80.02$2.12
Apr 2024KZ Global00$85.35$1.60
Mar 2024KZ Global00$81.28$1.49
Feb 2024KZ Global60$77.25$1.72
Jan 2024KZ Global20$74.15$3.18
Dec 2023KZ Global50$71.90$2.52
Nov 2023KZ Global10$77.69$2.71
Oct 2023KZ Global30$85.64$2.98
Sep 2023KZ Global50$89.43$2.64
Aug 2023KZ Global00$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

OperatorKZ Global Energy, LLCFieldBig CreekCountyFort Bend County

KZ Global Energy, LLC in Fort Bend County

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Big Creek field

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