The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 30, 2022
Filed:
Oct. 02, 2019
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventors:
Gregory Austin Davis, Tulsa, OK (US);
Joseph Michael Munoz, Odessa, TX (US);
Jeffrey G. Frey, Broken Arrow, OK (US);
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 13/08 (2006.01); F04D 29/08 (2006.01); F04D 29/42 (2006.01);
U.S. Cl.
CPC ...
F04D 13/08 (2013.01); F04D 29/086 (2013.01); F04D 29/426 (2013.01);
Abstract
A centrifugal electric submersible pump (ESP). The centrifugal ESP comprises a rotatable shaft, a series of impellers stacked on the rotatable shaft, each impeller comprising a hub secured to the rotatable shaft by a key, the series of impellers comprising an uppermost impeller and a lowermost impeller, a flanged sleeve keyed to the rotatable shaft below the lowermost impeller, and a seal disposed between the lowermost impeller and the flanged sleeve.