U.S. 18-1

Name: U.S. 18-1 — Montana wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 25005223690000 · Montana · Tiger Ridge field

Shut InGas

API

25005223690000

Operator

NorthWestern Corporation

Field

Tiger Ridge

Completed

1985-05-29

Measured depth

1,850 ft

Location

48.362920, -109.435900

48.36292, -109.43590 · 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.