发明名称 |
An apparatus for gripping a tubular |
摘要 |
An apparatus for gripping a tubular member 100 includes a number of moveable gripper elements 16 which may be moved in axial or radial directions. There may also be present cutting devices 14, packers 36 and a float shoe. The apparatus may be used in a process of expanding a tubular member and the formation of a bell section 112 in the tubular member. |
申请公布号 |
GB2433757(A) |
申请公布日期 |
2007.07.04 |
申请号 |
GB20060024327 |
申请日期 |
2004.03.11 |
申请人 |
ENVENTURE GLOBAL TECHNOLOGY |
发明人 |
BROCK WAYNE WATSON;DAVID PAUL BRISCO |
分类号 |
E21B31/18;E21B31/20;E21B43/10 |
主分类号 |
E21B31/18 |
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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