Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 8, 2011
Patent Application Number
12253319
Date Filed
October 17, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
A down hole flow control tool for use in a well bore, such as a bridge or frac plug, includes back-flow vent holes in a central mandrel and initially covered by a member on the mandrel, such as a lower slip or a lower cone. In a subsequent, set configuration, the member moves away from the vent hole allowing back flow of well fluids.
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