发明名称 |
Gripper block for manipulating coil tubing in a well |
摘要 |
A gripper block for use in an endless chain in a device for moving a generally cylindrical object longitudinally, as into or out of a well. The block has a first portion adapted to engage the endless chain and a second portion adapted to frictionally engage the object. At least a portion of the block is made from a resilient material that engages the tubing.
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申请公布号 |
US6425441(B2) |
申请公布日期 |
2002.07.30 |
申请号 |
US20010788083 |
申请日期 |
2001.02.16 |
申请人 |
VITA INTERNATIONAL, INC. |
发明人 |
SHAABAN KHALED M.;BODHAINE JAMES A.;SAS-JAWORSKY, II ALEXANDER |
分类号 |
E21B19/22;(IPC1-7):E21B19/08 |
主分类号 |
E21B19/22 |
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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