Downhole apparatus and method

Details Downhole apparatus and method Downhole apparatus and method

E - Fixed Constructions

21

B

E21B 33/12 (2006.01)

Patent

CA 2677157

A downhole apparatus, such as a wellbore packer, is provided with a swellable member and a fluid supply assembly. The fluid supply assembly is to receive fluid and expose the swellable member to the fluid to cause expansion of the swellable member, and comprises a support structure for supporting the swellable member on the body. In a preferred embodiment, the support structure defines a chamber and is configured to allow fluid to flow and access the swellable member. A method of use and method of sealing a wellbore is described.

L'invention concerne un appareil de fond de trou, tel qu'un dispositif d'obturation d'un puits de forage, qui est doté d'un élément gonflable et d'un ensemble d'alimentation en fluide. L'ensemble d'alimentation en fluide est destiné à recevoir du fluide et à exposer l'élément gonflable au fluide pour provoquer la dilatation de l'élément gonflable, et il comprend une structure de support pour supporter l'élément gonflable sur le corps. Dans un mode de réalisation préféré, la structure de support définit une chambre et est configurée pour permettre à du fluide de s'écouler et d'accéder à l'élément gonflable. L'invention concerne également un procédé d'utilisation et un procédé de scellement d'un puits de forage.

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