Valve assembly for an inflatable packer system

Details Valve assembly for an inflatable packer system Valve assembly for an inflatable packer system

E - Fixed Constructions

21

B

166/43

E21B 23/06 (2006.01) E21B 33/127 (2006.01) E21B 34/06 (2006.01) E21B 34/10 (2006.01) E21B 34/12 (2006.01)

Patent

CA 1141657

VALVE ASSEMBLY FOR AN INFLATABLE PACKER SYSTEM ABSTRACT A valve assembly for use in an inflatable packer system comprising an outer valve member, an inner valve member adapted to move axially relative to said outer valve member when weight is set down on and lifted from the system, and a shifting sleeve which is pumped down by inflation fluid with respect to both said inner and outer valve members to establish an inflation fluid passageway.

364863

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