发明名称 |
TIEBACK POSITIONING AND PLACEMENT TOOL |
摘要 |
A tieback positioning and placement tool includes a housing having a longitudinal bore, and a shaft disposed in the housing for slidable movement through the bore. The shaft extends through the bore and is exposed at each end of the housing. The shaft has a first end formed for connection to a drill pipe and an opposite end formed for supporting a tieback hanger. A key is retained by the housing and is biased radially outwardly. The key releasably locks the shaft in position in the housing.
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申请公布号 |
CA2527938(C) |
申请公布日期 |
2009.12.08 |
申请号 |
CA19982527938 |
申请日期 |
1998.08.18 |
申请人 |
SCHLUMBERGER CANADA LIMITED |
发明人 |
GEORGE, GRANT E.E.;BEGG, STEPHEN M. |
分类号 |
E21B7/08;E21B23/02;E21B23/04;E21B23/12;E21B47/09 |
主分类号 |
E21B7/08 |
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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