发明名称 TIE BACK FOR USE WITH EXPANDABLE TUBULARS
摘要 The present invention provides apparatus and methods for completing a wellbo re using expandable tubulars. In one aspect, the invention includes a tubular member (200) with an expandable portion (205) at a lower end constructed and arranged to be expanded into contact with a previously expanded liner (150). At an upper end of the tubular is a polish bore receptacle (210) permitting the tubular to be tied back to the surface of the well with production tubin g (250). In another aspect, the invention provides a method of completing a we ll comprising expanding a liner top into a cased wellbore to hang the liner and , thereafter running a tubular member (200) into the wellbore.
申请公布号 CA2445782(A1) 申请公布日期 2003.01.03
申请号 CA20022445782 申请日期 2002.06.12
申请人 WEATHERFORD/LAMB, INC. 发明人 MURRAY, MARK J.;TRAN, KAI;MAGUIRE, PATRICK;COON, ROBERT JOE;LAURITZEN, J. ERIC
分类号 E21B23/01;E21B43/10;(IPC1-7):E21B43/10 主分类号 E21B23/01
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