Skip to content
Royalty Clerk

Texas oil lease

Producing

BROWN

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

5 wells

530bbl oil, last 12 months−9% vs prior year
Operator
JM Calk Operating, LLC
County
Bexar County
Field
Fairfield
RRC lease
01-17934

Is your check right?

Check my statement

Where it sits

This county

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

Production by month

Oil output fell 9% over the last 12 months

Jul 2026 was not reported.

  • Oil (bars)
  • Last 12 months
Oil output fell 9% over the last 12 monthsMonthly oil production for BROWN, Aug 2023 to Jul 2026. Oil output fell 9% over the last 12 months. 496 bbl in the 12 months through Jul 2026, against 547 bbl in the 12 months before.Last 12 months: 496 bblbbl per month0255075100Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 9% over the last 12 monthsMonthly oil production for BROWN, Aug 2023 to Jul 2026. Oil output fell 9% over the last 12 months. 496 bbl in the 12 months through Jul 2026, against 547 bbl in the 12 months before.Last 12 monthsbbl per month0255075100Jan 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 BROWN
API numberWell no.Status
42-029-383171Active
42-029-383182Active
42-029-383193Active
42-029-383204Active
42-029-383215Active

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
Buckhead Midstream, LLCOilGathers100Sep 1, 2019Apr 1, 2023
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

61.51 acres on the newest permit

Permits for Brown
API numberWell no.Acreson the permit
42-029-38317161.51
42-029-38318261.51
42-029-38319361.51
42-029-38320461.51
42-029-38321561.51

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for BROWN
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026No report––$80.46$2.89
Jun 2026JM Calk450$84.81$3.15
May 2026JM Calk400$102.13$2.94
Apr 2026JM Calk450$100.32$2.77
Mar 2026JM Calk38150$91.38$3.04
Feb 2026JM Calk500$64.51$3.62
Jan 2026JM Calk430$60.04$7.72
Dec 2025JM Calk60161$57.97$4.26
Nov 2025JM Calk380$60.06$3.79
Oct 2025JM Calk500$60.89$3.19
Sep 2025JM Calk40150$63.96$2.97
Aug 2025JM Calk470$64.86$2.91
Jul 2025JM Calk340$68.39$3.20
Jun 2025JM Calk60160$68.17$3.02
May 2025JM Calk470$62.17$3.12
Apr 2025JM Calk470$63.54$3.42
Mar 2025JM Calk440$68.24$4.12
Feb 2025JM Calk23154$71.53$4.19
Jan 2025JM Calk490$75.74$4.13
Dec 2024JM Calk480$70.12$3.01
Nov 2024JM Calk470$69.95$2.12
Oct 2024JM Calk48152$71.99$2.20
Sep 2024JM Calk490$70.24$2.28
Aug 2024JM Calk510$76.68$1.99
Jul 2024JM Calk45161$81.80$2.07
Jun 2024JM Calk550$79.77$2.54
May 2024JM Calk750$80.02$2.12
Apr 2024JM Calk73176$85.35$1.60
Mar 2024JM Calk360$81.28$1.49
Feb 2024JM Calk74171$77.25$1.72
Jan 2024JM Calk890$74.15$3.18
Dec 2023JM Calk680$71.90$2.52
Nov 2023JM Calk53161$77.69$2.71
Oct 2023JM Calk600$85.64$2.98
Sep 2023JM Calk530$89.43$2.64
Aug 2023JM Calk63168$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.

How to check your stub against this lease

Do your checks match this lease?

Check my statement

Nearby

This lease belongs to

OperatorJM Calk Operating, LLCFieldFairfieldCountyBexar County

JM Calk Operating, LLC in Bexar County

All JM Calk Operating, LLC leases →

Fairfield field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km