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公开(公告)号:US3981357A
公开(公告)日:1976-09-21
申请号:US546490
申请日:1975-02-03
CPC分类号: E21B7/128 , E21B17/012
摘要: An improved marine riser is described which is comprised of a plurality of conduit sections joined together end to end. Buoyancy cans for retaining a compressed gas are flexibly connected to the riser at selected locations along its length and form a fluid tight seal therewith.
摘要翻译: 描述了一种改进的海洋立管,其由多个连接在一起的导管段组成。 用于保持压缩气体的浮力罐沿着其长度在选定位置处柔性地连接到提升管,并与其形成流体密封。