发明名称 PIPE STRING TIE-BACK CONNECTOR
摘要 <p>A pipe connector for establishing a remote connection between a riser pipe and a subsea wellhead. The connector comprises a plurality of annular elements interconnected by a differential thread system which facilitates making up and breaking the riser-wellhead connection from a drilling platform or other surface location without rotation of the riser or diver assist. The preferred embodiment also includes a provision for establishing a metal-to-metal seal between the connector and the wellhead, and a guide assembly to assure proper alignment of the connector with the wellhead prior to completing the connection.</p>
申请公布号 CA1205741(A) 申请公布日期 1986.06.10
申请号 CA19830438908 申请日期 1983.10.13
申请人 FMC CORPORATION 发明人 SMITH, MICHAEL L.
分类号 F16L15/00;E21B17/02;E21B33/038;(IPC1-7):E21B41/00 主分类号 F16L15/00
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