US Patent 7104730 Achieving hydrostatic stability of a floating structure

A floating platform includes a hull and a deck mounted on the uppermost end of the hull. The platform is anchored to the seabed by a plurality of tendons connected to the hull at the upper ends thereof and secured to the seabed at the lower ends thereof. The platform includes detachable buoyancy means providing supplemental buoyancy for hydrostatically stabilizing the platform without utilizing a derrick barge while ballasting the platform during installation.