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.