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. 21, 2012
Filed:
Jan. 08, 2009
Applicants:
Alan Howell, Oklahoma City, OK (US);
Michael Barnes, Yukon, OK (US);
Randy Karbs, Edmond, OK (US);
Arcady Royzen, Norman, OK (US);
Inventors:
Alan Howell, Oklahoma City, OK (US);
Michael Barnes, Yukon, OK (US);
Randy Karbs, Edmond, OK (US);
Arcady Royzen, Norman, OK (US);
Assignee:
GE Oil & Gas ESP, Inc., Oklahoma City, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 17/00 (2006.01); F04B 35/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A seal section for use with a downhole pumping system includes a rotatable shaft, a seal section head and a mechanical seal chamber inside the seal section head. The mechanical seal chamber is bounded by a floor and a wall. The mechanical seal chamber includes a trench disposed in the floor that is configured to entrap solid particles in the mechanical seal chamber at a distance spaced apart from the mechanical seal.