Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jason C. Mailand0
Date of Patent
April 23, 2019
0Patent Application Number
150625360
Date Filed
March 7, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A protective sleeve is deployable within an oil/gas well to protect a device installed in the well such as a safety valve, for example. The sleeve includes a pressure equalizing dart and an overpressure protection piston. The sleeve also serves to isolate an installed device from harmful substances such as acids and other corrosive fluids.
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