CYR NO. 1

Name: CYR NO. 1 — Montana wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 25101072230000 · Montana

P&A - ApprovedDry Hole

API

25101072230000

Operator

Great Northern Drilling Company

Completed

1963-11-28

Measured depth

2,769 ft

Location

48.857850, -111.537670

48.85785, -111.53767 · 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.