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:
Apr. 18, 2023
Filed:
Sep. 23, 2021
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventors:
David Eslinger, Houston, TX (US);
Kean Wee Cheah, Singapore, SG;
Assignee:
SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/66 (2006.01); F04D 13/08 (2006.01); F04D 1/06 (2006.01); F04D 29/44 (2006.01); F04D 29/046 (2006.01); E21B 43/12 (2006.01);
U.S. Cl.
CPC ...
F04D 29/669 (2013.01); F04D 1/06 (2013.01); F04D 13/086 (2013.01); F04D 29/046 (2013.01); F04D 29/445 (2013.01); E21B 43/128 (2013.01);
Abstract
Systems and features for improving sand control in pumps are provided. These features can be used in centrifugal pumps employed in a variety of oilfield applications, such as in electric submersible pumping systems positioned downhole in a wellbore to pump oil or other fluids. Such features include shielded anti-swirl ribs positioned in the balance chamber.