Ohio Revised Code Title XV. Conservation of Natural Resources § 1505.04

(A) Any person, firm, government agency, or corporation who, for hire, or by its own forces for economic use or exploration, drills, bores, or digs within the state a well for the production or extraction of any gas or liquid, excluding only water to be used as such, but including natural or artificial brines and oil-filled waters, or who drills, bores, or digs within the state a well to explore geological formations, shall keep a careful and accurate log of the activity and report the same together with the results of any rock or fluid analyses or of any production or pressure tests in such form as is designated by the division of geological survey to the chief of the division of geological survey.

(B) The division may file such well logs and establish and observe such regulations regarding their availability and use as will meet the legitimate requirements of the owner or lessee of the well. Personnel of the division may examine any such well during its construction to confirm the accuracy of the log and to collect samples of the cores, chips, fluids, gases, or sludge.

(C) No person, firm, agency, or corporation shall fail to keep an accurate log or file a report as required in division (A) of this section.