Downhole refrigeration using an expendable refrigerant
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United States of America Patent
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Dec 23, 2014
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N/A
app pub date -
Apr 19, 2012
filing date -
May 12, 2011
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Abstract
Cooling of downhole components is effected using an expendable refrigerant, such as water. Refrigerant, in thermal communication with a component to be cooled, is evaporated in an evaporator. Vapor is removed from the evaporator and released into a borehole, in order to cool the component. A pump may be used to remove the vapor from the evaporator and force the vapor into the borehole.
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