发明授权
- 专利标题: Reduced J-tube riser pull force
- 专利标题(中): 减少J管提升拉力
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申请号: US101042申请日: 1987-09-25
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公开(公告)号: US5035922A公开(公告)日: 1991-07-30
- 发明人: Paul E. Titus
- 申请人: Paul E. Titus
- 申请人地址: TX Houston
- 专利权人: Shell Oil Company
- 当前专利权人: Shell Oil Company
- 当前专利权人地址: TX Houston
- 主分类号: E21B43/01
- IPC分类号: E21B43/01 ; E21B43/013 ; F16L1/15 ; F16N15/00
摘要:
A method is provided for reducing the force required to move a pipe through a J-tube attached to an offshore platform by coating the pipe with hydrophilic polymer and then moving the pipe through the J-tube, or by introducing a solution of hydrophilic polymer and water into the J-tube and then moving the pipe through the J-tube.
公开/授权文献
- US6063239A Security paper 公开/授权日:2000-05-16
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