Whenever the department requires the making and filing of well logs, directional surveys, or reports on the drilling of, subsurface conditions found in, or reports with respect to the substance produced, or capable of being produced from, a "wildcat" or "exploratory" well, as those terms are used in the petroleum industry, such logs, surveys, reports, or information shall be kept confidential by the department for a period of one year, if at the time of filing such logs, surveys, reports, or other information, the owner, lessee, or operator of such well requests that such information be kept confidential: PROVIDED, HOWEVER, That the department may divulge or use such information in a public hearing or suit when it is necessary for the enforcement of the provisions of this chapter or any rule, regulation, or order made hereunder.