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:
Apr. 05, 2016
Filed:
Aug. 11, 2014
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventors:
James M. Hall, Dubai, AE;
Cem Monur, Dubai, AE;
Assignee:
Smith International Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 23/00 (2006.01); E21B 33/12 (2006.01); E21B 23/02 (2006.01); E21B 33/16 (2006.01); E21B 33/14 (2006.01); E21B 33/08 (2006.01);
U.S. Cl.
CPC ...
E21B 33/12 (2013.01); E21B 23/02 (2013.01); E21B 33/16 (2013.01); E21B 33/08 (2013.01); E21B 33/14 (2013.01);
Abstract
A landing collar having a housing, a first sleeve configured to receive a lead wiper plug, and a latching mechanism configured to couple the first sleeve to an inner wall of the housing. The latching mechanism including a c-ring coupled to the housing and a landing insert disposed within the c-ring.