Downhole tool with an isolated actuator
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United States of America Patent
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Feb 19, 2019
Grant Date -
Jan 18, 2018
app pub date -
Jul 13, 2016
filing date -
Jul 13, 2016
priority date (Note) -
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Abstract
A downhole tool in accordance to aspects of the disclosure includes a housing forming a bore to convey a wellbore fluid, an actuating piston moveably disposed in a cylinder located in the housing adjacent to the bore and a barrier fluid isolating the actuating piston from the bore. The downhole tool may include a compensator piston in communication with the barrier fluid and the bore that is moveable to balance the pressure between the barrier fluid and the bore.
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