Retractable joint and cementing shoe for use in completing a...

E - Fixed Constructions – 21 – B

Patent

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E21B 17/07 (2006.01) E21B 33/14 (2006.01)

Patent

CA 2547481

An improved method and/or apparatus for completing a wellbore is provided. In one embodiment, a method of lining a pre-drilled wellbore is provided. The method includes the act of providing a casing assembly, the casing assembly including a string of casing; and a retractable joint comprising an inner tubular and an outer tubular. The method further includes the acts of running the casing assembly into the pre-drilled wellbore and actuating the retractable joint, thereby reducing the length of the casing assembly through movement between the inner and outer tubulars.

La présente porte sur une méthode et/ou un appareil améliorés pour la complétion d'un puits de forage. Dans une réalisation, une méthode pour sur un revêtement intérieur d'un puits de forage préforé. La méthode inclut l'action de fournir un ensemble de tubage de puits, l'ensemble de tubage de puits comprenant une colonne de tubage et un joint rétractable comprenant un tubulaire intérieur et un tubulaire extérieur. La méthode comprend aussi les actions de faire descendre l'ensemble de tubage de puits dans le puits de forage préforé et d'activer le joint rétractable, et par conséquent de réduire la longueur de l'ensemble de tubage de puits au moyen du déplacement entre les tubulaires intérieur et extérieur.

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