摘要 |
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. |
申请人 |
HALLIBURTON ENERGY SERVICES, INC.;CURTIS, PHILIP, ANTHONY;MATULA, GARY, W.;MCCLAIN, TOBY, N. |
发明人 |
MATULA, GARY, W.;MCCLAIN, TOBY, N. |