Plugging a side pocket mandrel using a swelling plug

Details Plugging a side pocket mandrel using a swelling plug Plugging a side pocket mandrel using a swelling plug

E - Fixed Constructions

21

B

E21B 33/12 (2006.01)

Patent

CA 2631038

Plugging a side pocket mandrel using a swelling plug. A system for plugging a port in a side pocket of a mandrel in a subterranean well includes a plugging device installed in the side pocket of the mandrel, the plugging device including a swellable seal material, whereby the seal material swells at least after installation of the plugging device in the side pocket to thereby prevent fluid transfer through the port. A method of plugging a port in a side pocket of a mandrel in a subterranean well includes the steps of: providing the plugging device with a swellable seal material; installing the plugging device in the side pocket; and the seal material swelling in the side pocket, thereby preventing fluid transfer through the port.

Colmatage d'un mandrin de poche latérale à l'aide d'un bouchon gonflant. Un système permettant de boucher un orifice de la poche latérale d'un mandrin dans un puits souterrain comprend un dispositif de colmatage installé dans la poche latérale du mandrin. Le dispositif de colmatage comprend un matériel d'étanchéité gonflant, qui gonfle au moins après installation du dispositif de colmatage dans la poche latérale pour ainsi empêcher le liquide de passer à travers l'orifice. Une façon de colmater un orifice dans la poche latérale d'un mandrin dans un puits souterrain inclut les étapes suivantes : fournir le dispositif de colmatage avec matériel d'étanchéité gonflant; installer le dispositif de colmatage dans la poche latérale; et le gonflage du matériel d'étanchéité dans la poche latérale pour ainsi empêcher le transfert de liquide par l'orifice.

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