Halverson 9-11

Name: Halverson 9-11 — Montana wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 25101218560000 · Montana

P&A - ApprovedDry Hole

API

25101218560000

Operator

Montana Power Company

Completed

1979-10-17

Measured depth

1,336 ft

Location

48.544270, -111.301400

48.54427, -111.30140 · 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.