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:
Nov. 17, 2015
Filed:
Jul. 25, 2013
Halliburton Energy Services, Inc., Houston, TX (US);
Randolph S. Coles, Spring, TX (US);
Christian S. Mappus, Kingwood, TX (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
Disclosed is a downhole tool that includes a housing coupled to a wellbore isolation device, a tension-actuated valve arranged within the housing and having a first piston movably arranged within a first piston chamber, the first piston being coupled to a conveyance such that tension in the conveyance is transmitted to the first piston, wherein, when the tension in the conveyance is reduced, the first piston is moved within the first piston chamber such that wellbore fluids are able to enter the first piston chamber, and a pressure-actuated valve arranged within the housing and having a second piston movably arranged within a second piston chamber to place the second piston chamber in fluid communication with the first piston chamber, wherein a pressure drop across the downhole tool allows the second piston to move such that the wellbore fluids pass into the second piston chamber and through the wellbore isolation device.