Apparatus for and method of anchoring a first conduit to a...

E - Fixed Constructions – 21 – B

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E21B 43/10 (2006.01) E21B 23/01 (2006.01)

Patent

CA 2388360

Apparatus and methods are disclosed for anchoring a first conduit (10) to a second conduit (12). The first conduit (10) is typically an expandable conduit whereby a portion of the first conduit is expanded by applying a radial force thereto to provide an anchor and/or seal between the first (10) and second (12) conduits. An inflatable device (14) is provided that can be used to provide a temporary anchor whilst the first (expandable) conduit (10) is radially expanded. An expander device (16) that is capable of applying a radial expansion force to the first conduit (10) is optionally attached to the inflatable device (14).

L'invention porte sur un appareil et sur des procédés d'ancrage d'un premier conduit (10) dans un second conduit (12). Le premier conduit (10) est généralement un conduit extensible, et une partie de ce premier conduit est dilatée par application d'une force radiale sur celui-ci de façon à former une ancre et/ou un joint d'étanchéité entre les premier (10) et second (12) conduits. Un dispositif gonflable (14) peut être utilisé pour former un élément d'ancrage provisoire alors que le premier conduit (10) (dilatable) est dilaté radialement. Un dispositif de dilatation (16) permettant d'appliquer une force d'extension radiale sur le premier conduit (10) est éventuellement fixé au dispositif gonflable (14).

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