Pipe handling unit

Details Pipe handling unit Pipe handling unit

E - Fixed Constructions

21

B

E21B 19/20 (2006.01) E21B 19/15 (2006.01)

Patent

CA 2665645

A pipe handling unit particularly adaptable for use in association with slant wells includes a pipe manipulation mechanism mounted to a mobile pipe storage rack, which when sited adjacent to a drilling rig or service rig can transport pipe sections to or from the rig mast regardless of the angular orientation of the rig mast. The pipe manipulation mechanism includes a boom rotatably mounted to the storage rack, with two or more swivel arms mounted to the mast, with pipe grapple means connected to the outboard end of the swivel arms may be swivelled outward, about axes parallel to the boom, to a position in which the grapple means can grasp a pipe section held in the rig mast. The swivel arms may then be swivelled in the opposite rotation to rotate the pipe away from the mast. The boom and swivel arms are then manipulated in coordinated fashion to deposit the pipe section in the storage rack.

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