发明名称 |
Automated pipe racking process and apparatus |
摘要 |
An automated pipe racking apparatus for a drilling rig having an elevator suspended over a well bore. An arm support member is rotatable about an axis parallel to the well bore. A gripper arm extends from the arm support member along an axis normal to the axis of rotation of the arm support member. A gripper head assembly extends from the gripper arm, the gripper head assembly having a pair of opposed, arcuate gripper fingers, each said finger rotatable by a motor.
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申请公布号 |
US6821071(B2) |
申请公布日期 |
2004.11.23 |
申请号 |
US20020254494 |
申请日期 |
2002.09.25 |
申请人 |
WOOLSLAYER COMPANIES, INC. |
发明人 |
WOOLSLAYER JOSEPH R.;DUNCAN ROD |
分类号 |
E21B19/14;(IPC1-7):E21B19/14 |
主分类号 |
E21B19/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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