Slotted slip element for expandable packer

Details Slotted slip element for expandable packer Slotted slip element for expandable packer

E - Fixed Constructions

21

B

E21B 33/12 (2006.01) E21B 33/1295 (2006.01)

Patent

CA 2606406

A packer device (10) includes a central packer mandrel (12) and a radially surrounding expansion mandrel (18) that can expand radially. At least one slip mandrel (30, 32) carrying wickers (38) surrounds the expansion mandrel and a plurality of axial slots (40, 41) are disposed within the slip mandrel.

Cette invention concerne une garniture d~étanchéité (10) comprenant un mandrin central (12) et un mandrin à expansion radiale (18). Au moins un mandrin de retenue (30, 32) présentant des éléments de retenue (38) entoure le mandrin à expansion et une pluralité de fentes axiales (40, 41) sont disposées dans le mandrin de retenue.

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