TL;DR: Leonard Brothers Operating Co. has 4 oil and gas drilling permits on file; the most recent was filed 2020-12-30. This page lists permit dates, API numbers, counties, target formations, and lateral lengths. Data current as of 2026-05-04.
4 total permits on file, most recent 2020-12-30.
Permits Filed
Permit / Spud Date
API Number
County
Well Name
Formation
Lateral Length (ft)
2020-12-30
4223705839
JACK
COOPER, JOE B. 4
Barnett
104
2020-12-29
—
JACK
COOPER, JOE B. 4
—
—
2018-11-01
4237137939
PECOS
CANON -63A- 9
Ozona Canyon
141
2017-12-21
4200936446
ARCHER
NIEDCO-WUCKOWITSCH "A" 2
Barnett
—
Key Takeaways
Operator: Leonard Brothers Operating Co..
Permit volume: 4 permits on file (most recent: 2020-12-30).
What's listed: Permit and spud date, API number, county, well name, target formation, and lateral length per record.
Mineral owners:Valor's mineral management tracks operator permit activity by tract for owners with interests under Leonard Brothers Operating Co.'s acreage.