Packer

Details Packer Packer

E - Fixed Constructions

21

B

166/65

E21B 33/128 (2006.01) E21B 33/12 (2006.01) E21B 33/127 (2006.01) E21B 33/1295 (2006.01) F16J 15/46 (2006.01)

Patent

CA 1155391

ABSTRACT Packer includes a body member, and a metal ring is disposed in its entirety within an annular recess in the body member. The recess has opposed die surfaces; and a circumferential opening extending entirely around the peripheral outer surface of the body member. Hydraulic fluid is flowed through passage into the recess to apply pressure to the inner peripheral surface of the metal ring to expand the ring radially outwardly and force its outer peripheral surface through the circumferential opening and into annular sealing engagement with the opposed surface of the well casing.

371919

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