Regularities of the process of deep type well drilling in ice
Abstract
The main indicator characterizing the drilling-melting process is the drilling speed. At thermal method of drilling speed is a generalizing indicator, depending on the power supplied to the crown-heater, axial load, geometric shape of the crown, the conditions of removal of fracture products, from the thermophysical properties of the material from which the crown is made, and the properties of the melted rock (ice) ...
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References
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- Petukhov B.S. Heat Exchange and Resistance at Laminar Flow of Liquid in Tubes. М., 1967.
- Silin S.S. Calculation of temperature fields at thermal drilling of ice strata. - IFZH, 1966, № 1.
- Chistyakov V.K., Chugunov V.A. Investigation of the influence of the heater shape on the speed of drilling-melting of rocks. – Journal of Mining Institute, 1976, vol. 86, iss. 2.
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