Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Geoffrey Pinard0
Megan Laura Buchheit0
Steven Nicholas Hill0
Date of Patent
February 19, 2019
0Patent Application Number
152087790
Date Filed
July 13, 2016
0Patent Citations Received
Patent Primary Examiner
Patent 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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