Flow control for increased permeability planes in...

E - Fixed Constructions – 21 – B

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E21B 43/12 (2006.01) E21B 33/12 (2006.01) E21B 43/26 (2006.01)

Patent

CA 2596460

Flow control for increased permeability planes in unconsolidated formations. A well system includes a casing expansion device interconnected in a casing string for initiating an inclusion propagated into a formation surrounding the casing string. The device has at least one opening in a sidewall for fluid communication between the inclusion and an interior of the casing string. A flow control device is retrievably installed in the expansion device and controls flow between the formation and an interior of the casing string. A method of controlling flow of fluid between a formation and an interior of a casing string includes the steps of interconnecting a casing expansion device in the casing string; expanding the device to thereby initiate propagation of an inclusion into the formation; and installing a flow control device in the expansion device to thereby control flow between the inclusion and the casing string interior.

Dispositif de régulation de l'écoulement pour plans à perméabilité accrue de formations non consolidées. Un outil de puits comprenant un dispositif d'élargissement de tubes reliés dans une colonne de tubage déclenche une inclusion qui se propage dans la formation entourant la colonne de tubage. Le dispositif comporte au moins une ouverture dans une paroi latérale destinée à la communication des fluides entre l'inclusion et l'intérieur de la colonne de tubage. Un dispositif de régulation de l'écoulement est installé de manière amovible dans le dispositif d'élargissement et régule l'écoulement entre la formation et l'intérieur de la colonne de tubage. Un procédé de régulation de l'écoulement de fluide entre une formation et l'intérieur d'une colonne de tubage comprend les étapes consistant à relier les tubes d'un dispositif d'élargissement dans la colonne de tubage, à élargir le dispositif pour déclencher la propagation d'une inclusion dans la formation et à installer un dispositif de régulation de l'écoulement dans le dispositif d'élargissement pour ainsi réguler l'écoulement entre l'inclusion et l'intérieur de la colonne de tubage.

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