Patent ID: 8397821
Filing Date: 2013-03-19
Classification: B01D,E21B,F04B

Abstract:
1. An apparatus for pumping a fluid containing gas and liquid, the apparatus comprising: a caisson having an inlet at an upper end for receiving a flow of fluid containing gas and liquid and an outlet at the upper end for discharging gas; a pump within the caisson for pumping liquid from the caisson; a liquid discharge pipe extending vertically within the caisson, connected to an outlet of the pump on a lower end and extending upwardly through the caisson; a plurality of separating bodies positioned above an upper end of the pump for separating gas from liquid prior to reaching the pump, each with a downward sloping conical portion having an open lower end, an open upper end surrounding the discharge pipe and being of larger diameter than an outer diameter of the discharge pipe, defining an inner annulus; and the bodies being spaced apart along the discharge pipe such that the upper end of the each of the bodies is spaced below the lower end of the next upper one of the bodies.