Janssen 20-1

Name: Janssen 20-1 — Montana wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 25075220070000 · Montana

P&A - ApprovedDry Hole

API

25075220070000

Operator

Altus Expl

Completed

1977-09-21

Measured depth

3,040 ft

Location

45.732190, -105.587410

45.73219, -105.58741 · 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.