US Patent Issued to Halliburton Energy Services on March 24 for "Higher work output centrifugal pump stage" (Oklahoma Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,496, issued on March 24, was assigned to Halliburton Energy Services Inc. (Houston).

"Higher work output centrifugal pump stage" was invented by Ketankumar Kantilal Sheth (Tulsa, Okla.), Donn J. Brown (Tulsa, Okla.) and David McManus (Tulsa, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric submersible pump (ESP) assembly. The ESP assembly comprises a centrifugal pump assembly comprising a plurality of pump stages, wherein each pump stage comprises a diffuser and an impeller, wherein the impeller comprises a plurality of impeller vanes, wherein each impeller vane comprises an impeller vane trailing edge that attaches to a shroud of t...