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.
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 代理人
主权项
地址