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:
Mar. 14, 2023
Filed:
Nov. 22, 2016
Applicant:
Cnpc Usa Corporation, Houston, TX (US);
Inventors:
Jianpeng Yue, Sugar Land, TX (US);
Matthew Patsy, Houston, TX (US);
Anthony Tran, Kemah, TX (US);
Jianhui Xu, Katy, TX (US);
Peng Cheng, Sugar Land, TX (US);
Assignee:
CNPC USA Corporation, Houston, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/129 (2006.01); E21B 33/128 (2006.01); E21B 33/12 (2006.01);
U.S. Cl.
CPC ...
E21B 33/1293 (2013.01); E21B 33/1208 (2013.01); E21B 33/128 (2013.01);
Abstract
A support ring prevents an elastomer seal from extruding. The support ring is expanded and supports the expanded seal, preventing the elastomer seal failing due to extrusion.