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Texas oil lease

Producing

HAECKER

Haecker is an oil lease in Bexar County, Texas, operated by JM Calk Operating, LLC in the Fairfield field.

5 wells

207bbl oil, last 12 months−32% vs prior year
Operator
JM Calk Operating, LLC
County
Bexar County
Field
Fairfield
RRC lease
01-17533

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Where it sits

This county

Bexar CountyBexarWilsonComalMedinaKendallHaysGuadalupeBanderaBexar County
Bexar County
Oil in Jun 2026
5 bbl
Reporting since
Jan 2020

Production by month

Oil output fell 32% over the last 12 months

Jul 2026 was not reported.

  • Oil (bars)
  • Last 12 months
Oil output fell 32% over the last 12 monthsMonthly oil production for HAECKER, Aug 2023 to Jul 2026. Oil output fell 32% over the last 12 months. 182 bbl in the 12 months through Jul 2026, against 267 bbl in the 12 months before.Last 12 months: 182 bblbbl per month020406080Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 32% over the last 12 monthsMonthly oil production for HAECKER, Aug 2023 to Jul 2026. Oil output fell 32% over the last 12 months. 182 bbl in the 12 months through Jul 2026, against 267 bbl in the 12 months before.Last 12 monthsbbl per month020406080Jan 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 May 2022

Operators of this lease over timePremier Minerals, Inc., Jan 2020 to Apr 2022; JM Calk Operating, LLC, May 2022 to Jun 20262020202120222023202420252026Changed May 2022Premier Minerals, Inc.Jan 2020 to Apr 2022JM Calk Operating, LLCMay 2022 to now
Operators of this lease over timePremier Minerals, Inc., Jan 2020 to Apr 2022; JM Calk Operating, LLC, May 2022 to Jun 20262020202120222023202420252026Changed May 2022Premier Minerals, Inc.Jan 2020 to Apr 2022JM Calk Operating, LLCMay 2022 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

5 wells on this lease

Wells on HAECKER
API numberWell no.Status
42-029-382901Active
42-029-382912Active
42-029-382924Active
42-029-382935Active
42-029-382943Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Plains Marketing, L.p.OilGathers100Sep 1, 2024–
Apricus Enterprises, LLCOilGathers100Apr 1, 2023Sep 1, 2024
Texican Crude&hydrocarbons, LLCOilGathers100May 1, 2021Apr 1, 2023
Buckhead Midstream, LLCOilGathers100Sep 1, 2019May 1, 2021
Enterprise Crude Oil LLCOilGathers100Jul 1, 2019Sep 1, 2019
Trafigura Trading LLCOilGathers100Jan 1, 2018Jul 1, 2019

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

Who buys my oilOil price check

33.65 acres on the newest permit

Permits for Haecker
API numberWell no.Acreson the permit
42-029-38290133.65
42-029-38291233.65
42-029-38292433.65
42-029-38293533.65
42-029-38294333.65

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for HAECKER
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026No report––$80.46$2.89
Jun 2026JM Calk50$84.81$3.15
May 2026JM Calk50$102.13$2.94
Apr 2026JM Calk130$100.32$2.77
Mar 2026JM Calk32149$91.38$3.04
Feb 2026JM Calk250$64.51$3.62
Jan 2026JM Calk150$60.04$7.72
Dec 2025JM Calk240$57.97$4.26
Nov 2025JM Calk200$60.06$3.79
Oct 2025JM Calk170$60.89$3.19
Sep 2025JM Calk40$63.96$2.97
Aug 2025JM Calk220$64.86$2.91
Jul 2025JM Calk25152$68.39$3.20
Jun 2025JM Calk230$68.17$3.02
May 2025JM Calk220$62.17$3.12
Apr 2025JM Calk240$63.54$3.42
Mar 2025JM Calk320$68.24$4.12
Feb 2025JM Calk130$71.53$4.19
Jan 2025JM Calk200$75.74$4.13
Dec 2024JM Calk22153$70.12$3.01
Nov 2024JM Calk160$69.95$2.12
Oct 2024JM Calk230$71.99$2.20
Sep 2024JM Calk250$70.24$2.28
Aug 2024JM Calk220$76.68$1.99
Jul 2024JM Calk250$81.80$2.07
Jun 2024JM Calk200$79.77$2.54
May 2024JM Calk30157$80.02$2.12
Apr 2024JM Calk210$85.35$1.60
Mar 2024JM Calk270$81.28$1.49
Feb 2024JM Calk290$77.25$1.72
Jan 2024JM Calk210$74.15$3.18
Dec 2023JM Calk230$71.90$2.52
Nov 2023JM Calk170$77.69$2.71
Oct 2023JM Calk59160$85.64$2.98
Sep 2023JM Calk100$89.43$2.64
Aug 2023JM Calk130$81.39$2.58

No report filed

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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This lease belongs to

OperatorJM Calk Operating, LLCFieldFairfieldCountyBexar County

JM Calk Operating, LLC in Bexar County

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Fairfield field

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