TL;DR: ZEPHYR OPERATING CO LLC has 4 oil and gas drilling permits on file; the most recent was filed Mon Feb 13. This page lists permit dates, API numbers, counties, target formations, and lateral lengths. Data current as of 2026-05-03.
4 total permits on file, most recent Mon Feb 13.
Permits Filed
Permit / Spud Date
API Number
County
Well Name
Formation
Lateral Length (ft)
Mon Feb 13
35141205090000
TILLMAN
HUDSON #1-12
Palo Duro Basin
—
Mon Feb 13
35141205080000
TILLMAN
AMYX FARMS 1-26
Palo Duro Basin
—
Mon Feb 13
35141205070000
TILLMAN
HEAP 1-21
Palo Duro Basin
—
Mon Dec 05
35015227230002
CADDO
PATTERSON 34-2
Anadarko Basin
—
Key Takeaways
Operator: ZEPHYR OPERATING CO LLC.
Permit volume: 4 permits on file (most recent: Mon Feb 13).
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 ZEPHYR OPERATING CO LLC's acreage.