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.

Date of Patent:
Apr. 07, 2026

Filed:

Aug. 16, 2023
Applicant:

Baker Hughes Oilfield Operations Llc, Houston, TX (US);

Inventors:

Charles Collins, Oklahoma City, OK (US);

Ryan Semple, Owasso, OK (US);

Aron Meyer, Pryor, OK (US);

David Tanner, Broken Arrow, OK (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/08 (2006.01); F04D 13/10 (2006.01); F04D 29/06 (2006.01);
U.S. Cl.
CPC ...
F04D 29/086 (2013.01); F04D 13/10 (2013.01); F04D 29/061 (2013.01);
Abstract

A seal section for use in a downhole submersible pumping system includes a lower chamber, an upper chamber and an intermediate guide section between the lower chamber and the upper chamber. The lower chamber includes a seal bag assembly that has a seal bag containing motor oil and an exterior space around the seal bag that contains high density oil that is denser than the motor oil. The upper chamber includes a volume of the high density oil at the bottom of the upper chamber and a gravity trap connected to the exterior space through an intermediate passage in the intermediate guide section. The gravity trap includes an opening submerged in the volume of high density oil in the upper chamber.


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