TL;DR: Big Mountain Operating LLC has 6 oil and gas drilling permits on file; the most recent was filed 2026-03-24. This page lists permit dates, API numbers, counties, target formations, and lateral lengths. Data current as of 2026-05-04.
6 total permits on file, most recent 2026-03-24.
Permits Filed
Permit / Spud Date
API Number
County
Well Name
Formation
Lateral Length (ft)
2026-03-24
4216539023
GAINES
TIMBERWOLF 1
Permian Basin
200
2025-10-22
4216539019
GAINES
RED WOLF 1
Permian Basin
139
2024-12-31
4216538974
GAINES
GREY WOLF 1
Permian Basin
277
2023-06-02
4248733307
WILBARGER
DOANS CROSSING 1
Palo Duro Basin
109
2021-05-19
4216538829
GAINES
LUXOR 1
Permian Basin
—
2019-02-05
4250342418
YOUNG
ARNOLD 1
Barnett
—
Key Takeaways
Operator: Big Mountain Operating LLC.
Permit volume: 6 permits on file (most recent: 2026-03-24).
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 Big Mountain Operating LLC's acreage.