Cooling systems for downhole tools

Details Cooling systems for downhole tools Cooling systems for downhole tools

E - Fixed Constructions

21

B

E21B 36/00 (2006.01)

Patent

CA 2622160

A cooling system for a downhole tool includes an insulating chamber disposed in the downhole tool, wherein the insulating chamber is adapted to house an object to be cooled; a thermoacoustic cooler disposed in the downhole tool, wherein the thermoacoustic cooler has a cold end configured to remove heat from the insulating chamber and a hot end configured to dissipate heat; and an energy source for generating an acoustic wave in the thermoacoustic cooler. A method for constructing a downhole tool includes disposing a to-be- cooled object in an insulating chamber in the downhole tool; and disposing a thermoacoustic cooler in the downhole tool proximate the insulating chamber such that the thermoacoustic cooler is configured to remove heat from the insulating chamber.

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