Single line control module for well tool actuation
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United States of America Patent
Stats
-
Mar 17, 2009
Grant Date -
Nov 16, 2006
app pub date -
May 9, 2006
filing date -
May 13, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A single line control module for well tool actuation. A well tool control system includes an actuator, a control module for controlling pressure applied to the actuator, and a single line extending between the control module and a remote location, elevated pressure being applied to the line and exhausted from the line at the remote location to operate the actuator. Another well tool control system includes an actuator having first and second chambers, a line for applying elevated pressure to the actuator to operate the actuator, and a control module including an accumulator, and a valve. The valve has a first position in which the line is connected to the first chamber and the accumulator is connected to the second chamber, and a second position in which the line is connected to the second chamber and the accumulator is connected to the first chamber.
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