Patent ID: 7377323

Claim:
A blowout preventer stack landing assist tool assembly for use with a riser string comprising a telescoping joint and riser joints extending below the telescoping joint and secured to a blowout preventer stack, the tool assembly comprising: (a) a blowout preventer stack landing assist tool, including; (i) a main body having a drill pipe sub upper connection; (ii) an outer body having a bore receiving said main body therein, said main body rotatable within said outer body; (iii) a plurality of keys secured on said outer body; (iv) a segment carrier body threadably engaging a lower end of said main body, said segment carrier body having a tapered outer portion; (v) a plurality of load segments slidably engaging said tapered outer portion of said segment carrier body, said plurality of load segments movable between retracted and extended positions by axial movement of said segment carrier body relative to said outer body; and, (b) a blowout preventer stack landing tool adapter joint connectable in the riser string between the telescoping joint and riser joints extending below the telescoping joint, said blowout preventer stack landing tool adapter joint having a bore therethrough including a plurality of key slots for receiving said keys secured on said outer body of said blowout preventer stack landing assist tool and a plurality of load segment shoulder profiles complementary to said load segments and receiving said load segments when in their extended position.