US Patent 7347274 Annular barrier tool
Patent 7347274 was granted and assigned to Schlumberger on March, 2008 by the United States Patent and Trademark Office.
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Patent abstract
The present invention provides for an annular barrier tool to block or restrict the flow of well fluids in the annular region of a well.
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US Patent 07347274 Annular barrier tool US Patent 7347274 Annular barrier tool
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Patent Number
0734727400
Patent Number
734727400
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
073472740
Date of Patent
March 25, 2008
0Patent Application Number
109058480
Date Filed
January 24, 2005
0Official Website
Patent Primary Examiner
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
073472740
Date of Patent
March 25, 2008
0Patent Application Number
109058480
Date Filed
January 24, 2005
0Official Website
Patent Primary Examiner
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US Patent 07347274 Annular barrier tool
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Is a
Current assignee
Patent jurisdiction
Patent number
07347274
Date of patent
March 25, 2008
Patent application number
10905848
Date Filed
January 24, 2005
Patent primary examiner
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