Packer with ring having communicating bore

Details Packer with ring having communicating bore Packer with ring having communicating bore

E - Fixed Constructions

21

B

E21B 33/12 (2006.01) E21B 33/126 (2006.01) E21B 33/128 (2006.01)

Patent

CA 2476946

A packing tool comprises a sealing element for mounting on a mandrel so as to define a volume between the sealing element and the mandrel; and a ring member for mounting on the mandrel adjacent the sealing element. The ring member is axially movable relative to the sealing element to cause deformation of the sealing element and includes a communicating bore extending between the volume defined between the sealing element and the mandrel and an exterior portion of the tool.

Un outil de garnissage comprend un élément d'obturation à installer sur un mandrin de façon à délimiter un volume entre l'élément d'obturation et le mandrin; et un élément en anneau à installer sur le mandrin contigu à l'élément d'obturation. L'élément en anneau est déplaçable axialement par rapport à l'élément d'obturation pour déformer l'élément d'obturation, et il comprend un alésage communiquant avec le volume défini entre l'élément d'obturation et le mandrin, et une partie extérieure de l'outil.

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