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A subsea wellhead assembly,a subsea installation using said wellhead assembly and a method for completing a wellhead assembly
A subsea wellhead assembly,a subsea installation using said wellhead assembly and a method for completing a wellhead assembly
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机译:海底井口组件,使用所述井口组件的海底设施以及用于完成井口组件的方法
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摘要
A subsea wellhead assembly comprising at least a casing housing and a casing (7) extending down inside the well, and a tubing hanger (9). The tubing hanger (9) comprises first and second valves (19, 21), each valve being a fail safe valve.
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