US Patent Issued to Halliburton Energy Services on May 20 for "High volume axial flow electric submersible pump (ESP) pump stage" (Oklahoma Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,494, issued on May 20, was assigned to Halliburton Energy Services Inc. (Houston).

"High volume axial flow electric submersible pump (ESP) pump stage" was invented by Ketankumar Kantilal Sheth (Tulsa, Okla.), Donn J. Brown (Tulsa, Okla.) and Gerald Glen Goshorn (Tulsa, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrical submersible pump (ESP) assembly. The ESP assembly comprises an electric motor having a first drive shaft; a seal section having a second drive shaft that is coupled to the first drive shaft; a third drive shaft that is coupled to the second drive shaft; and an axial flow centrifugal pump stage, wherein the centrifugal ...