Patent ID: 8100606

Claim:
A stabilization system for stabilizing a section of a submarine elongate structure, the stabilization system comprising end anchoring means at each end of said section for anchoring the end to the seabed, and buoyancy means for providing buoyancy to an extent of said section between the two anchoring means, the buoyancy means comprising a buoyant structure attached to said section of the submarine elongate structure to extend along at least a substantial part of the extent thereof, the buoyant structure comprising a buoyancy collar comprising a shell defining a buoyancy space about said section of the submarine elongate structure, the shell having two end sections and an intermediate section, the intermediate section comprising a cylindrical side wall portion and each end section comprising a tapering wall portion converging to an opening through which said section of the submarine elongate structure extends, each end anchoring means comprising a restraint structure adapted to be installed on the seabed and an anchoring collar adapted to be secured on the submarine elongate structure at said end for engagement with the restraint structure for restraining the respective end against movement in the longitudinal direction of the elongate structure.