Patent ID: 11965401
Assignee: HALLIBURTON ENERGY SERVICES, INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC E  F | IPC E  F

Claim 13:
14. A centrifugal pump stage for use in a downhole artificial lift assembly, comprising: an impeller and a diffuser, of the centrifugal pump stage, wherein the impeller is mechanically coupled to a drive shaft of the downhole artificial lift assembly that passes through the impeller and the diffuser, wherein the impeller and diffuser includes less than three flow chambers and the diffuser includes one more flow chamber than the impeller, wherein each flow chamber of the impeller includes an inlet, a forward surface, a back surface, and an exit, wherein the inlet of each flow chamber includes a profiled edge and an inner surface; and a pump stage inlet and a pump stage outlet.