| 摘要 |
A riser system 5 comprising a riser 10 to be secured between a floating body 20 and a subsea location 45, the riser comprising a composite material formed of at least a matrix and one or more reinforcing elements embedded within the matrix. The riser may comprise a bend or elbow between an upper and lower portion of the riser. Also disclosed are methods of forming a riser and methods of using, installing or deploying a riser system. A variable buoyancy system that comprises a plurality of rigid hollow elements that are locatable around the riser may be arranged to form or support the bend or elbow. The riser may take the form of an inverted catenary. The riser may comprise only a single pipe. |
