Section R. 324.416 - Well records; service company records; confidentialityRule 416.
(1) A person who drills, deepens, changes well status, or completes a well under R 324.201, R 324.420, R 324.511, or rules that were in effect before the effective date of these rules shall keep and preserve at the well, during drilling, deepening, changes in well status, or completion operations, accurate records recording all geologic strata penetrated, casing and cement used, and other information as may be required by the supervisor in connection with the drilling of the well.(2) When requested by the supervisor or authorized representative of the supervisor, a permittee of a well shall file a copy of service company records, including records of all of the following:(a) Mudding, cementing, and squeeze operations.(i) Wireline borehole and strata evaluation logs. The supervisor may request the records directly from the service company.(3) A permittee of a well shall make all records and information available to the supervisor or authorized representative of the supervisor at all times. A permittee shall protect the records from damage or destruction due to a preventable cause. All well data and samples provided to the supervisor or authorized representative of the supervisor as required by these rules shall be held confidential commencing with the receipt of a written request of the permittee and shall remain confidential for 90 days after drilling completion. Information on volumes, concentrations, and times of releases, spills, or leaks of gas, brine, crude oil, oil or gas field waste, or products and chemicals used in association with oil and gas exploration, production, disposal, or development is not subject to confidentiality.Mich. Admin. Code R. 324.416