Patent ID: 8403058

Claim:
An offshore unit comprising: a hull and/or deck frame; a mat attached to at least one connecting leg or a spud can attached to each of at least one connecting leg or to a lower hull attached to at least one connecting means, wherein: i) a wellhead deck is removably attached to the hull and/or deck frame; and ii) a sub-sea clamp in conjunction with a caisson or a sub-sea conductor frame removably attached to the mat or to the at least one connecting leg, where the spud can is attached to each of the at least one connecting leg, or to the lower hull; and wherein the hull and/or deck frame and the mat or the spud can is connectable with the at least one connecting leg; wherein the hull and/or deck frame and the lower hull is connectable with the at least one connecting means, and wherein the hull and/or deck frame is configured and adapted to be redeployed at another suitable site after the wellhead deck is removed therefrom.