Patent ID: 6955223

Claim:
A process to transport a blow out preventer for a drilling or workover rig having a drawworks between a storage area and a use position over a wellbore, which process comprises the steps of: connecting an upper connector end of an elongated running tool to said drawworks of said drilling rig wherein said running tool has a cylindrical surface with a constant outside diameter along a length of said tool engageable by rollers of a deck supported centralizing dolly and floating centralizing assembly; moving said elongated running tool into position parallel to said wellbore using said drawworks of said drilling rig; lowering said running tool so that a stab connection is made between a lower connector end of said running tool and said blow out preventer; moving said blow out preventer over and in alignment with said wellbore; and restraining lateral movement of said blow out preventer with said deck supported centralizing dolly and floating centralizing assembly by said rollers which engage said cylindrical surface of said running tool.