offshore jack up rig at anchorage area.

sea horizon ocean vehicle tower coast sky ship cloud bay watercraft skyline wave harbor boat skyscraper shore blue ferry offshore jack rig anchorage area bulk carrier marine vessel ore areasan orebulkoil also known combination obo designed capable carrying wet dry cargoes idea reduce number empty ballast voyages which large ships carry cargo one way return anothera jackup selfelevating unit type mobile platform consists buoyant hull fitted movable legs raising its over surface enables transportation all attached machinery desired location