Helvey 4-11

Name: Helvey 4-11 — Montana wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 25003212060000 · Montana

P&A - ApprovedDry Hole

API

25003212060000

Operator

Hallwood Petroleum, Inc.

Completed

1991-09-18

Measured depth

3,884 ft

Location

45.259160, -106.965320

45.25916, -106.96532 · 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.