Patent 7377323 was granted and assigned to Cameron International on May, 2008 by the United States Patent and Trademark Office.
A blowout preventer stack landing assist tool and landing tool adapter joint for use with a standard telescoping joint used in oil and gas drilling operations that allows lifting and moving of the riser string and blowout preventer stack without requiring disconnection of the telescoping joint, tensioning lines and associated piping from the riser string connection.