Apparatus and method

Details Apparatus and method Apparatus and method

2006-07-04

2006-07-04

Lagman, Frederick L. (Department: 3673)

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

With protection or indication of pipe or trench

C405S211000

Reexamination Certificate

active

07070360

ABSTRACT:
The invention provides a protective structure for a subsea installation. The protective structure comprises first and second body portions and a hinge member. The body portions are pivotally mounted to the hinge member such that at least one of the body portions may pivot relative to the other body portion. The body portions occupy a first configuration which facilitates transportation and/or deployment to the seabed and a second configuration in which the body portions are arranged to substantially enclose the subsea installation when the structure has been positioned over it. First and second locking means can lock the structure in the first and the second configuration respectively. Additionally the protective structure can allow access to the subsea installation when in use, by provision of a closable opening.

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patent: 6889770 (2005-05-01), Qvam et al.
patent: WO02/075103 (2002-09-01), None
patent: WO03/071092 (2003-08-01), None
patent: WO03/071092 (2003-08-01), None

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