HOWELL 3-20
API 25065211760000 · Montana
P&A - ApprovedDry Hole
API
25065211760000
Operator
Cardinal Petroleum
Completed
1973-05-02
Measured depth
4,135 ft
Location
46.710970, -107.980570
46.71097, -107.98057 · 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.