Mackinac Straits Borehole Pier 21

Name: Mackinac Straits Borehole Pier 21 — Michigan wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 21097001647000 · Michigan

Plugging ApprovedPart 625 Test Well

API

21097001647000

Operator

State of Michigan

Permit

NP21570

Measured depth

116 ft

Location

45.825412, -84.726541

45.82541, -84.72654 · 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.