Patent ID: 7794135

Claim:
An apparatus for preparing a viscous treatment gel comprising: (a) an eductor connected to a water supply; (b) a plurality of input tubes, wherein at least one input tube is connected with the eductor; and, (c) a mixing chimney connected to the input tubes, the input tubes injecting at least a water supply tangentially into the mixing chimney, wherein the mixing chimney comprises: (i) a lower input section comprising a mixing and dilution chamber and inlets connected to the input tubes; (ii) a central section wherein polymer slurry and water are mixed and sheared; and, (iii) a top section comprising an upper chamber and plurality of holes circumferentially located on the periphery of the upper chamber, the holes providing an exit from the chimney and further shearing to the polymer slurry and water, wherein the lower input section, central section, and top section have substantially uniform cross-sections.