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:
Jun. 21, 2022
Filed:
Dec. 05, 2014
Applicant:
Baker Hughes Esp, Inc., Houston, TX (US);
Inventors:
Charles Collins, Oklahoma City, OK (US);
James Le, Oklahoma City, OK (US);
Assignee:
Baker Hughes ESP, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/12 (2006.01); F16J 15/3252 (2016.01); F04D 29/70 (2006.01); F04D 13/10 (2006.01); F04D 29/10 (2006.01); F04D 29/041 (2006.01); E21B 43/38 (2006.01);
U.S. Cl.
CPC ...
F16J 15/3252 (2013.01); E21B 43/128 (2013.01); E21B 43/38 (2013.01); F04D 13/10 (2013.01); F04D 29/0413 (2013.01); F04D 29/106 (2013.01); F04D 29/708 (2013.01);
Abstract
A seal section for use in a downhole submersible pumping system includes one or more fluid separation mechanisms, a shaft, a mechanical seal chamber and a mechanical seal inside the mechanical seal chamber. The seal section further comprises a mechanical seal protector around the mechanical seal. The mechanical seal protector includes a cap that surrounds a portion of the mechanical seal and a filter screen. The cap may also include one or more expulsion ports extending through the cap. The cap may be stationary or connected to the shaft and configured for rotation.