Patent ID: 10309189

Abstract:
Downhole bridge plugs may include a mandrel; at least one sealing element provided on the mandrel; at least one backup ring provided on the mandrel on at least one side of the at least one scaling element; and a pair of pressure-applying elements provided on the mandrel on respective sides of the at least one sealing element and the at least one backup ring, respectively. Each of the pair of pressure-applying elements may include a cone and a slip assembly engaging the cone. The slip assembly may have a reinforcing ring which may include a ring wall, a plurality of ring ridges protruding from the ring wall and a plurality of ring grooves between the plurality of ring ridges. A mandrel cap may engage one of the pair of pressure-applying elements. Backup rings for downhole bridge plugs and methods of fabricating a reinforcing ring of a pressure-applying element for a downhole bridge plug are also disclosed.