Composition and method for dissipating heat underground
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United States of America Patent
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Dec 8, 2015
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N/A
app pub date -
Mar 26, 2012
filing date -
Jan 29, 2004
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Abstract
A substantially sand-free, aqueous-based, bentonitic fluid comprising flaked graphite can help dissipate heat from operation of electrical lines buried underground. The fluid is used in drilling a borehole, such as in trenchless drilling, or in making a trench, for receiving and containing the lines. The fluid may also be applied directly to the outside and/or to the inside of pipe containing electrical lines. Thermal conductivities having values of about 1.6 to about 1.8 BTU/hr ft° F. or higher can be attained.
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