Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1998-05-22
1999-11-02
Taylor, Dennis L.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
166343, 166347, 405170, 405191, F16L 104, E21B 712
Patent
active
059758031
ABSTRACT:
System and method for joining together two assemblies which can move one with respect to the other, especially in underwater installations, comprising a remote-operated vehicle (17) comprising propulsion means (21) and at least one equipment item (19, 20) including hauling means (20) which attach to the assembly considered as being fixed (2) during connection, means of attaching to the other assembly considered as being mobile and which has to be connected to the said fixed assembly, means (19) of winching the said hauling means, the said equipment item being at least partially housed in a skid (18), characterized in that the remote-operated vehicle (17) further comprises a front chassis (22) that pivots about a pivot axis, the said pivoting chassis comprising the said means of attachment to the mobile assembly, the pivoting of the said front chassis being controlled in such a way that as the mobile assembly is moved towards the fixed assembly, the said vehicle is kept constantly in an approximately horizontal position.
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patent: 5807027 (1998-09-01), Ostergaard
"Esso Does It Without Divers In Low Cost Cluster", Offshore Engineer, Apr. 1990, pp. 71 and 73-74.
Coflexip
Taylor Dennis L.
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