Method for producing and implement intervention operations selectively in a plurality of subsea wells and subsea production system for a plurality of subsea wells

摘要

Method to produce and implement intervention operations selectively in a plurality of subsea wells and subsea production system for a plurality of subsea wells.The present invention relates to a subsea production system to produce a series of subsea wells which may be arranged in groups.Each of the groups of heads of subsea wells (36) is connected so as to turn the production flow to a distributor submarine (40, 42, 46).Each of which is connected so as to turn the flow of production to an ascending tube production (28).A plurality of ascension pipes (28) extends the distributors submarines for groups of wells.A floating beam extraction deep (10) is located above the heads of the wells (36) with mooring lines (14) and possessing a production platform (12) located above the superfu00edcIe of the sea (11) and has a flotation chamber and ballast (18) to control the fluctuation.The structure of the beam defines an orifice (22) of the ascending tube that receives the ascension pipes that extend from the heads of the subsea wells (36) to the platform (12).The beam may also be laterally displaced by mooring lines for positioning above a well selected.To allow such intervention activities in the well as necessary.Each of the subsea wells is equipped with well head which has a removable cap (40) to allow removal and replacement of the lid driven by ROV (54).