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Loading arrangement for floating production storage and offloading vessel

  • US 6,811,355 B2
  • Filed: 12/31/2002
  • Issued: 11/02/2004
  • Est. Priority Date: 06/05/1998
  • Status: Expired due to Fees
First Claim
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1. A loading arrangement comprising:

  • a riser extending from a subsea structure to a coupling element that is attached to said riser for coupling said riser to a vessel, said coupling element comprising a buoy body and a retention member that is connected to said buoy body with a first flexible connection and with a second flexible connection separate from said first connection, said retention member being connected to the seabed via at least two anchor lines and being located relatively closely below sea level, wherein said first connection has a relatively high tensile strength to anchor the vessel to the seabed and to prevent drift of the vessel when tension is exerted on said first connection and said anchor lines, and wherein said retention member comprises a first swivel having a stationary part connected to said riser and a rotating part connected to said second connection.

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