Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 26, 2012
Patent Application Number
12592892
Date Filed
December 4, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
A bridge plug or packer assembly includes a mandrel; at least one sealing element provided on the mandrel; a pair of backup rings each having a plurality of spiral ring grooves provided on the mandrel on respective sides of the at least one sealing element; and a pair of pressure-applying elements provided on the mandrel on respective sides of the pair of backup rings, respectively.
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