Rule 2431. A permittee of a well shall ensure that all oil, gas, brine, waste products, and fresh water are confined to the strata in which the oil, gas, brine, waste products and fresh water occur or are injected into by using cement plugs or other plugs approved by the supervisor of mineral wells. A permittee of a well shall ensure that the well is plugged under static hole conditions at all times, unless otherwise approved by the supervisor of mineral wells or authorized representative of the supervisor of mineral wells.
Mich. Admin. Code R. 299.2431