Slip system for retrievable packer

Details Slip system for retrievable packer Slip system for retrievable packer

E - Fixed Constructions

21

B

E21B 33/129 (2006.01) E21B 19/10 (2006.01) E21B 33/1295 (2006.01)

Patent

CA 2469971

The present invention provides a slip system for fractionally engaging a temporarily set body, such as a packer or a whipstock, within a wellbore. The slip system comprises (1) a plurality of slips: (2) a tubular slip ring for holding the individual slips at an end; and (3) a tubular cone body having beveled surfaces for receiving the individual slips when the slip system is actuated. Each slip has a first end that defines a tail, and a second opposite end that defines a slip body. The tail and the slip body are integral, meaning that the intermediate shank portion of prior art slips is essentially removed. In its place, a dovetail geometry is provided within the tail, creating an increased tail width at the end of the rail opposite the slip body. The slip ring has a plurality of pockets, with each pocket being dimensioned to receive the dovetailed configuration of the tail on the respective slips.

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