Shell assemblies for encircling tubular members

Details Shell assemblies for encircling tubular members Shell assemblies for encircling tubular members

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 55/17 (2006.01)

Patent

CA 2472764

A shell assembly (1) for securing to a tubular member (50) comprises a first par (2) for locating on the tubular member, and second and third parts (4, 6) respectively hinged at (8) and (10) opposite sides of the first part. The parts (4) and (6) each have engaging means (40) or (42) complementary to that of the other part. Remotely operable means (20) is used to move the parts (4) and (6) and about hinges (8) and (10) to respective positions whereat the engaging means (40) and (42) interengage so that the parts (4) and (6) are secured together. The shell assembly may be employed in subsea operations to support a damaged region of a pipeline or to enable a branch or tee to be secured to a pipeline.

Un ensemble de coques (1) destiné à être solidarisé à un élément tubulaire (50) comprend une première partie (2) placée sur l'élément tubulaire et une deuxième puis une troisième parties (4, 6) montées par charnière, respectivement, sur les côtés opposés (8, 10) de la première partie. Les parties (4) et (6) sont chacune munies de moyens de connexion (40) ou (42) complémentaires à ceux de l'autre partie. Des moyens manipulables à distance (20) sont utilisés pour déplacer les parties (4) et (6) par rapport aux charnières (8) et (10) et les mettre dans des positions correspondantes, dans lesquelles les moyens (40) et (42) s'engrènent de manière à solidariser l'une à l'autre les parties (4) et (6). L'ensemble de coques peut s'utiliser dans des opérations sous-marines pour supporter une région endommagée d'un pipeline ou permettre de solidariser un branchement ou un T à un pipeline.

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