Sam Unruh 1

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

API 25005052280000 · Montana

P&A - ApprovedDry Hole

API

25005052280000

Operator

Porter Oil Corporation

Completed

1957-12-22

Measured depth

4,144 ft

Location

48.809750, -109.278380

48.80975, -109.27838 · 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.