R 299.2435 Methods and materials.

Rule 2435. (1) A permittee of a well shall ensure that a well is plugged from bottom to top by a material approved by the supervisor of mineral wells. (2) A permittee of a well shall ensure that the plugging procedures and materials do not cause formation fracturing. (3) A permittee of a well shall ensure that all casings abandoned with the hole are cut off at a point not less than 4 feet below grade, a 1/2-inch steel welded plate or another type of seal approved by the supervisor of mineral wells or authorized representative of the supervisor of mineral wells is placed across the top of the pipe or pipes, and the permit number of the well is permanently affixed to the plate or approved seal at the top of the well. The permittee may install a permanent above-ground marker, showing the permit number, above the well.