O'Brien 20-1

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

API 25095211910000 · Montana · Dean Dome field

P&A - ApprovedOil

API

25095211910000

Operator

Gary-Williams Company, The

Field

Dean Dome

Completed

1984-09-01

Measured depth

3,180 ft

Location

45.390900, -109.648000

45.39090, -109.64800 · 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.