Grindvold 1

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

API 25055050130000 · Montana

P&A - ApprovedDry Hole

API

25055050130000

Operator

Apco Oil Corp.

Completed

1965-10-04

Measured depth

9,921 ft

Location

47.591680, -105.680150

47.59168, -105.68015 · 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.