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:
Jun. 16, 2015
Filed:
Nov. 12, 2009
Applicants:
Steven B. Smith, Katy, TX (US);
Mark S. Fuller, Montgomery, TX (US);
Inventors:
Steven B. Smith, Katy, TX (US);
Mark S. Fuller, Montgomery, TX (US);
Assignee:
Weatherford Technology Holdings, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 23/00 (2006.01); E21B 33/04 (2006.01); E21B 23/06 (2006.01); E21B 43/10 (2006.01);
U.S. Cl.
CPC ...
E21B 33/04 (2013.01); E21B 23/00 (2013.01); E21B 23/06 (2013.01); E21B 43/10 (2013.01);
Abstract
A debris barrier assembly for use downhole includes a single body annular barrier having a bore; an extension tubular inserted through the bore; an upper tubular coupled to an upper end of the extension tubular; and a lower tubular coupled to a lower end of the extension tubular, wherein the lower tubular includes a release valve. In one embodiment, the release valve is mechanically opened. In another embodiment, a torque connection is used to couple the upper tubular to the extension tubular.