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:
Nov. 24, 2015
Filed:
May. 19, 2011
Applicants:
Richard Yingqing Xu, Tomball, TX (US);
Edward O'malley, Houston, TX (US);
Inventors:
Richard Yingqing Xu, Tomball, TX (US);
Edward O'Malley, Houston, TX (US);
Assignee:
BAKER HUGHES INCORPORATED, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/129 (2006.01); E21B 23/01 (2006.01); E21B 33/12 (2006.01); E21B 33/134 (2006.01);
U.S. Cl.
CPC ...
E21B 33/1204 (2013.01); E21B 33/129 (2013.01); E21B 33/134 (2013.01); E21B 33/1293 (2013.01);
Abstract
A design for a bridge plug wherein the slip elements include an outer contact portion to engage a surrounding tubular member and an inner body portion designed to easily disintegrate during removal of the bridge plug by subsequent milling. The inner body portion is formed of a softer material than the outer contact portion. Also, the inner body portion is made up of a plurality of segments that are readily separated and dispsersed during milling out.