US 7,571,770 B2
Downhole cooling based on thermo-tunneling of electrons
Rocco DiFoggio, Houston, Tex. (US); and Frederick E. Shipley, Houston, Tex. (US)
Assigned to Baker Hughes Incorporated, Houston, Tex. (US)
Filed on Mar. 23, 2005, as Appl. No. 11/87,362.
Prior Publication US 2006/0213660 A1, Sep. 28, 2006
Int. Cl. E21B 36/00 (2006.01)
U.S. Cl. 166—302  [166/57] 30 Claims
OG exemplary drawing
 
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.