Preparation of microorganisms for applications other than medical and veterinary use; leakage fillers, namely, micro-molecular polymer based leakage fillers for filling leaking oil and gas wells in oil and gas production; enzyme preparations for industrial purposes; enzymes for chemical purposes; petroleum dispersants; oil dispersants; carbonic hydrates; profile-control plugging agent, namely, micro-molecular polymer based profile-control plugging agent for controlling and plugging leaking oi...