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. 27, 2017
Filed:
Apr. 25, 2013
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventors:
Thomas J. Frosell, Irving, TX (US);
Mark Douglas Macek, Burlington, TX (US);
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 23/04 (2006.01); E21B 34/14 (2006.01); E21B 23/00 (2006.01); E21B 34/00 (2006.01);
U.S. Cl.
CPC ...
E21B 23/04 (2013.01); E21B 23/00 (2013.01); E21B 34/14 (2013.01); E21B 2034/007 (2013.01);
Abstract
A method for activating a shifting tool comprises introducing a shifting tool in a desired wellbore zone where it is exposed to a pre-determined hydrostatic pressure. The shifting tool comprises at least one key that is configured to be expanded and released from a retracted position when the shifting tool is subjected to the pre-determined hydrostatic pressure.