Improved sealing apparatus

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 33/12 (2006.01) E21B 33/124 (2006.01) E21B 33/126 (2006.01)

Patent

CA 2667937

A sealing apparatus for sealing an annulus is described. The apparatus comprises a first sealing element (20) adapted for sealing the annulus against fluid pressure from above the sealing apparatus and adapted to be actuated by fluid pressure from above the apparatus and a second sealing element (40) adapted for sealing the annulus against fluid pressure from below the sealing apparatus and adapted to be actuated by fluid pressure from below the apparatus. In use, the sealing elements are arranged such that the second sealing element is above the first sealing element.

L'invention concerne un dispositif d'étanchéité destiné à rendre étanche un anneau. Ce dispositif comprend un premier élément d'étanchéité (20) conçu de manière à rendre l'anneau étanche à la pression fluidique depuis le dessus du dispositif et conçu pour être actionné par pression fluidique depuis le dessus du dispositif et un second élément d'étanchéité (40) conçu de manière à rendre l'anneau étanche à la pression fluidique depuis le bas du dispositif et conçu de manière être actionné par pression fluidique depuis le bas du dispositif. En fonctionnement, les éléments d'étanchéité sont disposés de manière que le second élément d'étanchéité se trouve au-dessus du premier.

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