ROCKWELL UNIT A-1
API 21025224560000 · Calhoun County, Michigan
Plugging ApprovedDry Hole
API
21025224560000
Operator
MARATHON OIL COMPANY
County
Calhoun
Location
3S-4W-36
Permit
22456
Permit issued
1960-06-15
Measured depth
4,300 ft
Location
42.160020, -84.722600
42.16002, -84.72260 · Surface location as filed with Michigan⌘ or Ctrl + scroll to zoom
Every well in Calhoun County, Michigan
Michigan state record, from MI_wells_Oil__Gas__and_Mineral_Well_Surface_Hole_Locations.parquet. Corpus built 2026-08-19.