Mackinac Straits Borehole 4-B1

Name: Mackinac Straits Borehole 4-B1 — Michigan wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 21031606827000 · Michigan

Plugging ApprovedPart 625 Test Well

API

21031606827000

Operator

State of Michigan

Permit

NP21552

Measured depth

49 ft

Location

45.789554, -84.731871

45.78955, -84.73187 · Surface location as filed with Michigan⌘ or Ctrl + scroll to zoom

Michigan state record, from MI_wells_Oil__Gas__and_Mineral_Well_Surface_Hole_Locations.parquet. Corpus built 2026-08-19.