Downhole hydraulic control line
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United States of America Patent
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Jun 13, 2017
Issued Date -
N/A
app pub date -
Nov 25, 2013
filing date -
May 15, 2009
priority date (Note) -
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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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