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:
Aug. 15, 2017
Filed:
Nov. 21, 2014
Applicant:
Weatherford Technology Holdings, Llc, Houston, TX (US);
Inventors:
Jose A. Mejia, Houston, TX (US);
Jeffrey B. Wensrich, Houston, TX (US);
Benjamin L. Todd, Cypress, TX (US);
Michael Moody, Magnolia, TX (US);
Assignee:
Weatherford Technology Holdings, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/06 (2006.01); E21B 23/00 (2006.01); E21B 23/01 (2006.01); E21B 23/06 (2006.01);
U.S. Cl.
CPC ...
E21B 17/06 (2013.01); E21B 23/006 (2013.01); E21B 23/01 (2013.01); E21B 23/06 (2013.01);
Abstract
A downhole tool has a release device for releasing a downhole device in a wellbore. The downhole tool has a collet with an inner surface and a collet shoulder; a release rod configured to engage the collet shoulder in a locked position and disengage from the collet shoulder in a release position; and a release tube surrounding the release rod and having a release ramp proximate a nose of the release tube.