Mich. Admin. Code R. 299.2366 - Elevations; well depth measurements
Rule 2366.
(1) Drilling reference elevations of the ground surface, kelly bushing, or rig floor shall be measured, recorded, and filed as required in R 299.2369.
(2) The depth of the top of key geologic strata shall be accurately determined and shall be entered in the drilling log book and become a part of the record and log of the well.
Notes
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