US Patent 7647980 Drillstring packer assembly
Patent 7647980 was granted and assigned to Schlumberger on January, 2010 by the United States Patent and Trademark Office.
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Patent 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.
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Patent Inventor Names
Alexander F. Zazovsky0
Nicholas Ellson0
Philippe Hocquet0
Pierre-Yves Corre0
Vladimir Vaynshteyn0
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US Patent 07647980 Drillstring packer assembly US Patent 7647980 Drillstring packer assembly
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Patent Number
07647980
Patent Number
7647980
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Official Website
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US Patent 07647980 Drillstring packer assembly
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Is a
Current assignee
Patent jurisdiction
Patent number
07647980
Date of patent
January 19, 2010
Patent application number
11754473
Date Filed
May 29, 2007
Patent primary examiner
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