State 9-1

Name: State 9-1 — Montana wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 25101078260000 · Montana

P&A - ApprovedDry Hole

API

25101078260000

Operator

Cardinal Petroleum

Completed

1966-06-19

Measured depth

2,730 ft

Location

48.904540, -112.061050

48.90454, -112.06105 · 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.