HEAT EXCHANGE OF A BOREHOLE WITH FROZEN ROCK N. G. Musakaev and V. Sh. Shagapov UDC 536.242:622.276 We present a method for calculating the heat exchange of a borehole with the surrounding frozen rock in the presence of solid deposits on the inner walls of the raising column of the borehole.JEPTER7492019988 JEPTER749208