公开(公告)号：US10060207B2

公开(公告)日：2018-08-28

申请号：US13644543

申请日：2012-10-04

申请人： HELIX ENERGY SOLUTIONS GROUP, INC.

发明人： Paul Shotton ,  John Edward Wood

IPC分类号： E21B17/01 ,  E21B21/08 ,  E21B33/038 ,  E21B17/08 ,  E21B19/00

CPC分类号： E21B21/08 ,  E21B17/085 ,  E21B19/006 ,  E21B33/038

摘要： A riser system and method including a bore submerged surface package of valves, a cross over assembly with a high pressure-low pressure connector connected to the bore submerged surface package of valves, a high pressure insert, and a telescoping flow tube. The riser system also include a high pressure bore subsea stack, a low pressure slip joint, a tension ring, a flex joint, a diverter, a mandrel capable of interfacing with the high pressure-low pressure connector, a high pressure mandrel crossover and at least one high pressure insert riser joint, a high pressure-low pressure latch, a telescoping flow tube telescopic conduit, at least one telescoping flow tube latch, a telescoping flow tube low pressure flex joint, a telescoping flow tube main housing, or a rotating control device.