Howard 1-21

Name: Howard 1-21 — Montana wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 25087217050000 · Montana

Shut InGas

API

25087217050000

Operator

Cardinal Oil, LLC

Completed

2007-08-13

Measured depth

2,500 ft

Location

46.687430, -107.572770

46.68743, -107.57277 · 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.