Drillable junction joint

Details Drillable junction joint Drillable junction joint

E - Fixed Constructions

21

B

E21B 29/06 (2006.01) E21B 7/06 (2006.01)

Patent

CA 2451658

A drillable junction joint (10) in a wellbore comprises a wellbore casing (12) in which a section of the casing is constructed of easily drillable material (16). A sleeve (24) having a premachined window (26) therein is disposed within the casing joint and is freely orientable within the casing segment. Further disclosed are methods for installation of the junction joint and for creating an exit.

L'invention concerne un joint de jonction forable (10) dans un puits de forage, qui comprend un tubage (12) de puits dont une section est constituée d'un matériau (16) facilement forable. Un manchon (24) présentant une fenêtre (26) préusinée dans celui-ci, est disposé dans le joint de tubage et est librement orientable dans le segment de tubage. L'invention concerne en outre des procédés qui permettent d'installer le joint de jonction et de créer une sortie.

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