发明申请
- 专利标题： DRILLSTRING PACKER ASSEMBLY
- 专利标题（中）： 钻包装配
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申请号： US11754473申请日： 2007-05-29
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公开(公告)号： US20080053652A1公开(公告)日： 2008-03-06
- 发明人: Pierre-Yves Corre , Vladimir Vaynshteyn , Philippe Hocquet , Nick Ellson , Alexander F. Zazovsky
- 申请人： Pierre-Yves Corre , Vladimir Vaynshteyn , Philippe Hocquet , Nick Ellson , Alexander F. Zazovsky
- 主分类号： E21B33/12
- IPC分类号： E21B33/12
摘要：
A packer assembly for use in wellbore operations includes a first packer and a second packer interconnected by an adjustable length spacer. The spacer provides a mechanism for adjusting the distance between the first packer and the second packer when the assembly is positioned in a wellbore.
公开/授权文献
- US07647980B2 Drillstring packer assembly 公开/授权日：2010-01-19