Slip gripping mechanism

Details Slip gripping mechanism Slip gripping mechanism

E - Fixed Constructions

21

B

166/62

E21B 23/04 (2006.01) E21B 23/01 (2006.01) F16D 1/02 (2006.01)

Patent

CA 1285474

ABSTRACT A slip gripping mechanism is shown for supporting a string of cylindrical conduit within the interior bore of a circumscribing conduit. An elongate body has a plurality of spaced longitudinal slots at one end. Vertically shiftable slips are carried in the slots by side edges which engage mating profiles formed in the slots. The slots form guideways for the slips for shifting the slips upwardly and outwardly relative to the body between a set position engaging the circumscribing conduit and an unset position. Each slip has an arcuate lower surface and a selected width to thickness ratio to allow controlled flexing of the slip in the direction of the circumscribing conduit as the slip moves to the set position.

528812

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