A system for controlling, separating, processing and exporting well fluids produced from subsea hydrocarbon formations is disclosed. The subsea well tender system includes a surface buoy supporting one or more decks above the water surface for accommodating equipment to process oil, gas and water recovered...http://www.google.com/patents/US5381865?utm_source=gb-gplus-sharePatent US5381865 - Method and apparatus for production of subsea hydrocarbon formations