SUNWALL A-1

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

API 25085212870000 · Montana

P&A - ApprovedDry Hole

API

25085212870000

Operator

Cities Service Oil Co.

Completed

1981-08-21

Measured depth

11,800 ft

Location

48.365860, -104.483400

48.36586, -104.48340 · 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.