Stabilising cables around subsea foundations

Abstract

A scour protection structure comprises a cable stabilisation system that has elongate guides extending in side-by-side relation and mutually spaced to define an elongate valley between them. The valley has an inner end facing toward an opening for receiving a subsea structure and an outer end facing away from the opening, and flares in width toward the inner end. The guides have oppositely inclined faces that are mutually opposed across the valley, the valley thereby widening upwardly. The faces are convex-curved lengthwise along the valley and in cross-section transverse to the lengthwise direction. A base of the valley is defined by a mudmat of the scour protection structure or by a base panel mounted on the mudmat. The guides may be movable relative to the mudmat to accommodate misalignment of the subsea structure.

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