Colgrove 31-18

Name: Colgrove 31-18 — Montana wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 25095212530000 · Montana

P&A - ApprovedDry Hole

API

25095212530000

Operator

Ballard Petroleum Holdings LLC

Completed

2000-12-20

Measured depth

4,615 ft

Location

45.579260, -109.177170

45.57926, -109.17717 · 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.