Patents Assigned to Branton Tools L.L.C.
  • Downhole bridge plug or packer assemblies
    Patent number: 8205671
    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.
    Type: Grant
    Filed: December 4, 2009
    Date of Patent: June 26, 2012
    Assignee: Branton Tools L.L.C.
    Inventor: Christopher A. Branton