Invention Grant
- Patent Title: Drillstring packer assembly
- Patent Title (中): 钻柱封隔器总成
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Application No.: US11754473Application Date: 2007-05-29
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Publication No.: US07647980B2Publication Date: 2010-01-19
- Inventor: Pierre-Yves Corre , Vladimir Vaynshteyn , Philippe Hocquet , Nicholas Ellson , Alexander F. Zazovsky
- Applicant: Pierre-Yves Corre , Vladimir Vaynshteyn , Philippe Hocquet , Nicholas Ellson , Alexander F. Zazovsky
- Applicant Address: US TX Sugar Land
- Assignee: Schlumberger Technology Corporation
- Current Assignee: Schlumberger Technology Corporation
- Current Assignee Address: US TX Sugar Land
- Agent Rodney Warfford; David Cate; Jaime Castano
- Main IPC: E21B33/12
- IPC: E21B33/12 ; E21B33/134

Abstract:
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.
Public/Granted literature
- US20080053652A1 DRILLSTRING PACKER ASSEMBLY Public/Granted day:2008-03-06
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