Casing clamp

Details Casing clamp Casing clamp

E - Fixed Constructions

21

B

E21B 17/03 (2006.01) E21B 17/08 (2006.01) E21B 19/00 (2006.01)

Patent

CA 2496102

A clamp for gripping casing strings is disclosed, A series of radially arranged spring biased slips are mounted in a housing attached to a top drive. A hydraulic system is used to release the slips from the gripping position upon a casing string.

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