(a) Agents of the commission shall have the right of ingress and egress upon any lands where any well or underground porosity storage of natural gas is located and the lands adjacent thereto and to occupy such lands as are necessary in the permitting, monitoring, inspecting, investigating, supervising, plugging, replugging or repairing of any such well or underground porosity storage. Any agent when entering upon any land to permit, monitor, inspect, investigate, supervise, plug, replug or repair a well or underground porosity storage of natural gas, shall not be liable for any damages necessarily resulting therefrom, except damages to growing crops, livestock or improvements on the land. Upon completion of activities on such land, such agent shall restore the premises to the original contour and condition as nearly as practicable.

(b) Agents of the commission shall have the right of ingress and egress upon any lands to clean up pollution resulting from oil and gas activities. Such agents shall have the power to occupy such land if necessary to investigate and clean up such pollution. Any agent entering upon any land to conduct cleanup activities shall not be liable for any damages necessarily resulting therefrom except damages to growing crops, livestock or improvements on the land.