Patent ID: 6263971
Filing Date: 2001-07-24
Classification: E21B

Abstract:
A system for underwater production of effluents comprising:a) a floating station situated below the water surface at a depth selected according to at least a pressure of an effluent at at least one wellhead outlet;(b) the floating station comprising at least one wellhead, each wellhead being connected to a production riser communicating with a well to be worked;(c) an anchor which anchors the floating station, the anchor being at least one production riser;(d) at least one multiphase pump situated on the floating station, the at least one multiphase pump transferring at least part of an effluent from the floating station to one of a processing site or destination site;(e) an effluent transfer, the effluent transfer extending between the floating station, water bottom and one of the platform or the processing site; and(f) an energy source providing energy for equipment on the floating station.