发明名称 |
Slip assembly for hanging an elongate member within a wellbore |
摘要 |
A slip assembly carried about a liner for lowering into a wellbore includes a C-ring having an inner conical surface contracted about a matching outer surface of the liner and held in contracted position by disposal of its end closely within a recess in the member. When its end is raised from the recess, the c-ring expands to cause its teeth to engage with the wellbore, whereby the liner may be lowered to further expand the c-ring to cause its teeth to dig into the wellbore to suspend the liner therefrom.
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申请公布号 |
US6761221(B1) |
申请公布日期 |
2004.07.13 |
申请号 |
US20020136969 |
申请日期 |
2002.05.02 |
申请人 |
DRIL-QUIP, INC. |
发明人 |
YOKLEY JOHN N.;REIMERT LARRY E. |
分类号 |
E21B23/01;E21B23/04;E21B43/10;(IPC1-7):E21B23/01 |
主分类号 |
E21B23/01 |
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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