Downhole cooling based on thermo-tunneling of electrons
First Claim
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1. An apparatus for cooling electronic components in a borehole, the apparatus comprising:
- (a) a quantum thermocooler configured to use quantum thermotunneling to maintain downhole electronic components below a predefined temperature;
wherein a temperature of the borehole is higher than the predefined temperature.
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Abstract
An apparatus for and a method of cooling electronic components in downhole equipment using the principles of quantum tunneling.
25 Citations
30 Claims
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1. An apparatus for cooling electronic components in a borehole, the apparatus comprising:
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(a) a quantum thermocooler configured to use quantum thermotunneling to maintain downhole electronic components below a predefined temperature; wherein a temperature of the borehole is higher than the predefined temperature. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of evaluating an earth formation, the method comprising:
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(a) conveying a downhole assembly including electronic components into a borehole (b) using quantum thermotunneling in a quantum thermocooler for cooling the electronic components to a temperature below a temperature of the borehole; and (c) using the electronic components to evaluate the earth formation. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. An apparatus conveyed in a borehole, the apparatus comprising:
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(a) a formation evaluation sensor configured to make a measurement of a property of an earth formation; and (b) a quantum thermocooler configured to use quantum thermotunneling to cool the formation evaluation sensor.
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Specification