Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1996-12-18
1999-08-31
Bagnell, David J.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
405170, 405171, 114230, 114293, 441 3, F16L 112, B63B 2100
Patent
active
059444487
ABSTRACT:
A seabed flowline is connected to a substantially conventional tanker serving as a floating storage facility by a system comprising a three-leg mooring and a flexible riser. The mooring comprises anchors connected by anchor risers to a common node, and a mooring pendant extending from the node to the tanker. The flexible riser comprises a flexible rubber hose extending from the seabed to the tanker. The hose has a top section secured along part of the mooring pendant, and an intermediate section provided with buoyancy and restrained by a tether to maintain it clear of the anchor risers.
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Bagnell David J.
Brovig Offshore ASA
Lee Jong-Suk
LandOfFree
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