Mackay 1

Name: Mackay 1 — Montana wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 25009052430000 · Montana

P&A - ApprovedDry Hole

API

25009052430000

Operator

Union Oil Company Of California

Completed

1949-05-25

Measured depth

3,736 ft

Location

45.307650, -109.578790

45.30765, -109.57879 · Surface location as filed with Montana⌘ or Ctrl + scroll to zoom

Montana state record, from MT_wells_BOG_Wells.parquet. Corpus built 2026-08-19.