Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Reexamination Certificate
2004-01-29
2008-08-26
Singh, Sunil (Department: 3672)
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
Reexamination Certificate
active
07416366
ABSTRACT:
The invention relates to a subsea pipeline system for connecting two hydrocarbon production, storage and/or processing structures. The subsea pipeline has a first duct section supported on the seabed, a bridging duct section extending across a lower seabed part, at a distance from the sea bed, and a second duct section supported on the sea bed. The first and second duct sections are connected to the bridging duct section via an articulation joint allowing movement of the bridging duct section in a length direction of the first and second duct sections. A first tensioning element exerts an upward force on the bridge duct sections and a second tensioning element exerts a downward force on the bridge duct section. The first and second tensioning elements include a mutual angle to exert a horizontal pulling force on the bridging duct section.
REFERENCES:
patent: 4110994 (1978-09-01), Lundh
patent: 4263004 (1981-04-01), Joubert et al.
patent: 4909670 (1990-03-01), Harrison
patent: 5275510 (1994-01-01), de Baan et al.
patent: WO 99/62762 (1999-12-01), None
Poldervaart Leendert
Pollack Jack
Wille Hein
Singh Sunil
Single Buoy Moorings Inc.
The Webb Law Firm
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