发明申请
- 专利标题: Method and apparatus for through rotary sub-sea pile-driving
- 专利标题(中): 通过旋转海底打桩的方法和装置
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申请号: US10496631申请日: 2003-12-01
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公开(公告)号: US20050006105A1公开(公告)日: 2005-01-13
- 发明人: Douglas Bell , Dan Mueller , Malcolm Gray-Stepehns
- 申请人: Douglas Bell , Dan Mueller , Malcolm Gray-Stepehns
- 国际申请: PCT/US03/38022 WO 20031201
- 主分类号: E02D7/30
- IPC分类号: E02D7/30 ; E02D27/52 ; E21B4/06 ; E21B4/14 ; E21B4/20 ; E21B7/20 ; E21B23/00
摘要:
A method and apparatus for driving a pile are disclosed. The pile-driving apparatus comprises a pile, a shoe tip coupled to a toe of the pile, and a drill string disposed within the pile. The drill string comprises a gripping device coupling the drill string to the pile and a hammer deployed into the pile such that the hammer is capable of transmitting a force to the shoe tip. The method, comprises positioning a hammer in a pile such that the hammer is capable of transmitting a force to a shoe tip; positioning, in the pile, a portion of drill pipe having a gripping device to engage the pile; and deploying the pile beneath the surface of a body of water.
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