All drilling, redrilling, perforating, or reperforating operations within any oil zones shall be done with any standard circulating medium as used in good engineering practice and as approved specifically by the Division of State Lands. Whenever, in the opinion of the inspector, circulation is lost the lessee shall immediately start pumping into the hold such circulation regaining media as are approved in good engineering practice and are most applicable, in the opinion of the inspector, to the zone in which the hole is located.