System and method for maintaining zonal isolation in a wellbore

Details System and method for maintaining zonal isolation in a wellbore System and method for maintaining zonal isolation in a wellbore

E - Fixed Constructions

21

B

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

Patent

CA 2514492

The invention concerns a system or a method for maintaining zonal isolation in a wellbore. According to the invention, the system comprises, at a specific location along said wellbore, a sealing element (43), said sealing element being able to deform both during and after placement and is maintained after placement under compression through a pressurising fluid or by confinement in a volume (431).

L'invention concerne un système ou un procédé permettant de maintenir une isolation zonale dans un puits de forage. Selon l'invention, le système comprend un élément d'étanchéité situé à un emplacement spécifique le long dudit puits de forage. Cet élément d'étanchéité peut se déformer pendant et après sa mise en place. Après sa mise en place, l'élément d'étanchéité est maintenu sous compression à l'aide d'un fluide de pressurisation ou par confinement dans un volume.

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