Sealing assembly

Details Sealing assembly Sealing assembly

E - Fixed Constructions

21

B

E21B 33/12 (2006.01) E21B 33/127 (2006.01)

Patent

CA 2697466

A downhole sealing assembly (10) comprises a sleeve (12) adapted to be mounted on a body, the sleeve (12) including a swellable material and defining a sealing arrangement comprising inner and outer seals (18, 20). Swelling of the material radially extends the seals (18, 20).

L'invention concerne un ensemble d'étanchéité de fond de trou (10) comprenant un manchon (12) conçu pour être monté sur un corps, le manchon (12) comprenant une matière gonflable et définissant une unité d'étanchéité comprenant une garniture d'étanchéité intérieure (20) et une garniture d'étanchéité extérieure (18). Le gonflement de ladite matière provoque la dilatation radiale des garnitures d'étanchéité (18,20).

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