INSTALLATION COMPRISING SEABED-TO-SURFACE CONNECTIONS OF THE MULTI-RISER HYBRID TOWER TYPE, INCLUDING POSITIVE-BUOYANCY FLEXIBLE PIPES

摘要

A bottom-to-surface connection installation having a floating support and a turret and having: a plurality of risers having their top ends secured to a carrier structure a plurality of flexible pipes extending from the turret to the top ends of the risers; the flexible pipes including at least two first flexible pipes with positive buoyancy positioned at different heights; and guide modules secured to a tension leg and suitable for sliding along floats of the risers.