Patent ID: 6132143
Filing Date: 2000-10-17
Classification: B63B,B63C,E02B

Abstract:
Method for lifting a sea platform with a substructure attached thereto, using at least one flotation body, the substructure standing on a seabed which includes:a) submerging said flotation body under sea level by at least partially filling said flotation body with water;b) fixing said flotation body to the substructure at a level below any sea swell thereby avoiding damage to said substructure by collision with said flotation body due to sea swell:c) separating the substructure from the seabed below the connection point between said flotation body and the substructure;d) removing at least part of the water from said flotation body until said flotation body has traversed the sea level; ande) moving said flotation body with at least part of the substructure and sea platform fixed thereto to a different location while maintaining said sea platform in an upright position.