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Texas oil lease

Producing

ERD UNIT

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

8 wells

1,144bbl oil, last 12 months+45% vs prior year
Operator
JM Calk Operating, LLC
County
Bexar County
Field
Fairfield
RRC lease
01-17671

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Where it sits

This county

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

Production by month

Oil output rose 45% over the last 12 months

Jul 2026 was not reported.

  • Oil (bars)
  • Last 12 months
Oil output rose 45% over the last 12 monthsMonthly oil production for ERD UNIT, Aug 2023 to Jul 2026. Oil output rose 45% over the last 12 months. 1,071 bbl in the 12 months through Jul 2026, against 737 bbl in the 12 months before.Last 12 months: 1,071 bblbbl per month050100150200Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 45% over the last 12 monthsMonthly oil production for ERD UNIT, Aug 2023 to Jul 2026. Oil output rose 45% over the last 12 months. 1,071 bbl in the 12 months through Jul 2026, against 737 bbl in the 12 months before.Last 12 monthsbbl per month050100150200Jan 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.

8 wells on this lease

Wells on ERD UNIT
API numberWell no.Status
42-029-382961Shut-in
42-029-382972Shut-in
42-029-382983Shut-in
42-029-382994Shut-in
42-029-383005Shut-in
42-029-383049Shut-in
42-029-3830510Shut-in
42-029-3830611Shut-in

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, 2017Jul 1, 2019

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

Who buys my oilOil price check

23.28 acres on the newest permit

The wells on this lease state different acreage

The permits state between 23.28 and 28.09 acres.

8 wells are listed on this lease

Permits for Erd Unit
API numberWell no.Acreson the permit
42-029-38304923.28
42-029-383051023.28
42-029-383061123.28
42-029-38296128.09
42-029-38297228.09
42-029-38298328.09
42-029-38299428.09
42-029-38300528.09

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

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36 months, newest first

Ledger for ERD UNIT
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026No report––$80.46$2.89
Jun 2026JM Calk1180$84.81$3.15
May 2026JM Calk111150$102.13$2.94
Apr 2026JM Calk110155$100.32$2.77
Mar 2026JM Calk121150$91.38$3.04
Feb 2026JM Calk1100$64.51$3.62
Jan 2026JM Calk35155$60.04$7.72
Dec 2025JM Calk198150$57.97$4.26
Nov 2025JM Calk370$60.06$3.79
Oct 2025JM Calk10597$60.89$3.19
Sep 2025JM Calk5494$63.96$2.97
Aug 2025JM Calk720$64.86$2.91
Jul 2025JM Calk73101$68.39$3.20
Jun 2025JM Calk79100$68.17$3.02
May 2025JM Calk82105$62.17$3.12
Apr 2025JM Calk7496$63.54$3.42
Mar 2025JM Calk9497$68.24$4.12
Feb 2025JM Calk8597$71.53$4.19
Jan 2025JM Calk620$75.74$4.13
Dec 2024JM Calk6547$70.12$3.01
Nov 2024JM Calk31144$69.95$2.12
Oct 2024JM Calk380$71.99$2.20
Sep 2024JM Calk380$70.24$2.28
Aug 2024JM Calk160$76.68$1.99
Jul 2024JM Calk00$81.80$2.07
Jun 2024JM Calk76160$79.77$2.54
May 2024JM Calk670$80.02$2.12
Apr 2024JM Calk400$85.35$1.60
Mar 2024JM Calk100$81.28$1.49
Feb 2024JM Calk39161$77.25$1.72
Jan 2024JM Calk450$74.15$3.18
Dec 2023JM Calk390$71.90$2.52
Nov 2023JM Calk370$77.69$2.71
Oct 2023JM Calk47181$85.64$2.98
Sep 2023JM Calk480$89.43$2.64
Aug 2023JM Calk720$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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Nearby

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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