发明名称 Sikkerhetskobling samt stigerør som omfatter en slik sikkerhetskobling
摘要 A safety joint to be included in a riser between a floating structure and a subsea installation at a location in the riser above a stress joint where it will be subjected to minimum bending loads. The safety joint includes a first riser coupling at its upper end for connection to a corresponding riser coupling of a riser joint and a second riser coupling at its lower end for connection to a corresponding riser coupling of a riser joint or stress joint. An emergency disconnect package with an emergency disconnect coupling and a retainer valve unit is arranged between the upper end and the lower end of the safety joint. A riser including such a safety joint.
申请公布号 NO338526(B1) 申请公布日期 2016.08.29
申请号 NO20100001681 申请日期 2010.11.30
申请人 VETCO GRAY SCANDINAVIA AS 发明人 OLSEN ROBERT
分类号 E21B17/06;E21B33/038 主分类号 E21B17/06
代理机构 代理人
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