Electronic control system for a downhole tool
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United States of America Patent
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Jul 15, 2014
Grant Date -
Nov 1, 2012
app pub date -
Apr 29, 2011
filing date -
Apr 29, 2011
priority date (Note) -
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Abstract
An electronic control system for a downhole tool controls an operational state of the downhole tool. The electronic control system receives a signal from uphole, and drives a motor to operate a valve, alternately fluidly connecting a chamber in the valve to drilling fluid in a bore of the downhole tool, causing an activation mechanism to configure the downhole tool into a first state, and fluidly connecting the chamber to an annulus surrounding the downhole tool, venting mud into the annulus.
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