Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 13, 2018
Patent Application Number
15068537
Date Filed
March 12, 2016
Patent Citations Received
Patent Primary Examiner
Patent abstract
A pumping system configured to be deployed in a wellbore includes a motor that is filled with a motor lubricant oil, a production pump driven by the motor, a heat exchanger and an internal oil circulation system contained within the pumping system. The internal oil circulation system circulates the motor lubricant oil between the motor and the heat exchanger.
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