Environmental Challenges Associated with the Maintenance of State Wells in the Licensed Claim

Abstract

Legal and environmental issues associated with the maintenance of state exploration wells in the licensed claim have been discussed. The causality of the abroad well decommissioning have been stated. General procedure of well decommissioning as part of a major overhaul have been stated. The structure has been analyzed and the research of the exploration wells technical condition of the Kharasaveyskoye deposit have been performed by the airvisual, geodetic and gas analytical study. The conclusion is that the condition of decommissioned and plugged and abandoned wells is satisfactory. The necessity of wells' sites reclamation has been substantiated to stabilize the land forms transformation by managing biofilters and bio-covers on the methanogenic territories.