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.

Date of Patent:
Jul. 16, 2019

Filed:

Dec. 17, 2014
Applicant:

Halliburton Energy Services, Inc., Houston, TX (US);

Inventor:

David Allen Dockweiler, Prosper, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 34/14 (2006.01); E21B 34/06 (2006.01); E21B 33/12 (2006.01); E21B 34/00 (2006.01);
U.S. Cl.
CPC ...
E21B 34/14 (2013.01); E21B 33/12 (2013.01); E21B 34/06 (2013.01); E21B 2034/002 (2013.01);
Abstract

An apparatus and method relating to down-hole production equipment for use in an oil well environment is provided. The apparatus and method are for selectively isolating fluid flow through a production packer or other down-hole tubular device. The apparatus and method use a ball valve, which is moved from an open position to a closed position by lateral or axial movement of the tubing string as opposed to by rotating the tubing string.


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