发明名称 MERLIN DRILLING RISER ASSEMBLY
摘要 An improved drilling riser assembly (10) including a male drilling riser assembly (20) section and a female drilling riser assembly section (40) that form a connection joint when mated. The drilling riser assembly sections having an internal stab type main drilling riser connector (22, 42). The drilling riser assembly sections each have main drilling riser flanges (26, 46) that have helically threaded rings (28, 48) on an outer edge of the flange. A box and pin connector (60, 80) each have an inner helically threaded ring (62, 82) that mates with the outer helical flange ring of a drilling riser assembly section. The box and pin connectors extend towards each other and make up an enclosed compression joined mating section around the stab type connectors of the drilling riser assembly.
申请公布号 WO2014184681(A3) 申请公布日期 2015.07.30
申请号 WO2014IB01724 申请日期 2014.05.02
申请人 OIL STATES INDUSTRIES (UK) LTD. 发明人 GALLAGHER, JOHN
分类号 E21B17/01;E21B17/08;E21B17/18 主分类号 E21B17/01
代理机构 代理人
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