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. 22, 2016
Filed:
Feb. 05, 2013
Applicant:
Halliburton Energy Services, Inc., Duncan, OK (US);
Inventors:
Robert Phillip Darbe, Duncan, OK (US);
Henry Eugene Rogers, Duncan, OK (US);
Paul Joseph Jones, Humble, TX (US);
Misty Dawn Rowe, New Caney, TX (US);
Jeffery Dwane Karcher, Houston, TX (US);
Lonnie C Helms, Duncan, OK (US);
Assignee:
Halliburton Services, Inc., Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/14 (2006.01); E21B 33/14 (2006.01); E21B 21/10 (2006.01);
U.S. Cl.
CPC ...
E21B 17/14 (2013.01); E21B 21/10 (2013.01); E21B 33/14 (2013.01);
Abstract
A floating apparatus for use in a casing string is provided. The apparatus includes an outer sleeve having a valve centrally positioned therein. A cement body is affixed to the check valve and the housing by use of a bonding material.