Michigan
Michigan oil and gas leases
8,174 leases across 64 counties, carrying 3,929,243 monthly volumes from 1969 onward. Free, from the agency's own records.
Leases
8,174
Lease-months
3,929,243
With a production series
7,328
Wells linked
22,536
A Michigan lease is a production unit, not a hole. Volumes here are filed at lease level and cover every well under the lease, so they are not a well’s output — 8,125 of these leases name their wells, and each of those wells has a page of its own.