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:
Jun. 13, 2017

Filed:

Nov. 25, 2013
Applicant:

Halliburton Manufacturing & Services Limited, Leatherhead, GB;

Inventor:

Michael A. Reid, Aberdeen, GB;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 41/00 (2006.01); E21B 23/04 (2006.01); E21B 34/10 (2006.01); E21B 34/06 (2006.01);
U.S. Cl.
CPC ...
E21B 41/00 (2013.01); E21B 23/04 (2013.01); E21B 34/066 (2013.01); E21B 34/10 (2013.01); Y10T 137/86638 (2015.04);
Abstract

A downhole hydraulic control tool comprising a substantially tubular body adapted for connection in a tubing string, the body including a throughbore arranged coaxially with a bore of the tubing string and one or more pockets arranged on a wall of the body, the pockets including a hydraulic power source and at least two control lines, wherein the device includes a pump to drive hydraulic fluid through the control lines and a switchable flow mechanism for switching the flow of pumped fluid between the at least two control lines, and a switchable flow mechanism and a method of operating one or more downhole devices from a downhole located hydraulic control tool.


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