Floating Gravity-Based Mooring Device

The Gael Force Group has launched its new SeaLimpet floating gravity-based mooring device for subsea applications. It is a cylindrical concrete structure with specially configured built-in chambers, which can be flooded with water or evacuated using compressed air, thus allowing it to be towed, floated to position, and then flooded to sink under controlled conditions. The structure secures subsea installations to the seabed, and because it can be floated into position using nonspecialized vessels, it avoids the need for heavy transportation ships and cranes, significantly lowering deployment costs while reducing operational risk. The initial concept for the SeaLimpet came from feasibility work completed for an in-house marine renewable energy project. The company is currently developing adaptations of the device for a variety of offshore oil and gas engineering projects.

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