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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Date of Patent

March 25, 2008

Patent Application Number

10905848

Date Filed

January 24, 2005

Patent Citations Received

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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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