Annular packer sealingly movable on tubular

Details Annular packer sealingly movable on tubular Annular packer sealingly movable on tubular

E - Fixed Constructions

21

B

E21B 33/127 (2006.01)

Patent

CA 2606139

An annular packer device (1), wherein the annular packer (1) is expandable in an annulus (6) between an inner body (8) and an outer boundary (12), and wherein the annular packer (1) is sealingly movable along at least one of the inner body (8) and the outer boundary (12).

L~invention concerne un dispositif de garniture d~étanchéité annulaire (1), comprenant une garniture d~étanchéité (1) capable de s~étendre dans un espace annulaire (6) entre un corps interne (8) et un pourtour externe (12), la garniture d~étanchéité annulaire (1) pouvant se déplacer de manière étanche le long, au moins, du corps interne (8) ou du pourtour externe (12).

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