Hydraulic and earth engineering – Marine structure or fabrication thereof – With anchoring of structure to marine floor
Reexamination Certificate
2008-05-06
2008-05-06
Lagman, Frederick L. (Department: 3672)
Hydraulic and earth engineering
Marine structure or fabrication thereof
With anchoring of structure to marine floor
C405S224300
Reexamination Certificate
active
10531576
ABSTRACT:
A vessel for exploration of hydrocarbons includes one or more risers extending from the vessel to the seabed, a hydrocarbon processing unit connected to the one or more risers and to a storage or transport structure for storing the processed hydrocarbons. The vessel is anchored to the seabed, the vessel includes a lifting member for lowering risers vertically towards the sea bed and for connecting a riser with a first end to a subsea hydrocarbon structure, which riser includes a connector on a second end, the vessel having a connector for attaching to the riser connector and for placing the riser in fluid connection with the processing unit.
REFERENCES:
patent: 4074541 (1978-02-01), Lochridge
patent: 4182584 (1980-01-01), Hettinger et al.
patent: 4643614 (1987-02-01), Laursen
patent: 4695191 (1987-09-01), Wagstaff
patent: 6047781 (2000-04-01), Scott et al.
patent: 6085851 (2000-07-01), Herrmann et al.
patent: 6347912 (2002-02-01), Thomas
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DESERT: “Hybrid rider for deepwater offshore Africa”, Offshore Technology Conference, vol. otc, No. 11875, May 1-4, 2000, pp. 1-9, XP002234782 houston, texas cited in the application the whole document.
Poldervaart Leendert
Pollack Jack
Lagman Frederick L.
Single Buoy Moorings Inc.
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