Patent ID: 6763862
Filing Date: 2004-07-20
Classification: B63B

Abstract:
In an offshore arrangement where a pipeline is suspended in the sea between a hydrocarbon facility above a seabed and a single point mooring facility, and an end of said pipeline is in fluid communication with a product swivel on said single point mooring facility, the improvement comprising,a submerged connection assembly connecting an end of said pipeline to a flexible hose which is fluidly connected to said product swivel, and an elastic suspension arrangement including an elastic member coupled between said single point mooring facility and said submerged connection assembly wherein, said elastic member is an elastic tether coupled at an upper end to said single point mooring facility, said tether having a lower end, said suspension arrangement includes an anchor leg connected between said lower end of said tether and a sea floor, and a flexible member connected between said lower end of said elastic tether and said submerged connection assembly, first and second pipelines are provided between said hydrocarbon facility, and first and second submerged connection assemblies couple respectively first and second hose members to ends of said first and second pipelines, with said first and second flexible hose members fluidly connected to said product swivel, and said elastic suspension arrangement includes first and second flexible members connected respectively between said lower end of said elastic tether and said first and second submerged connection members, and a spreader bar is connected between said first and second flexible members, and an anchor lea is connected between said spreader bar and said sea floor.