Drilling in the Permafrost

About The Book

Heat transfer processes during drilling in the permafrost; Drilling in the permafrost with chilled-air scavening; Drilling with gas-liquid dispersed systems; Flushing fluids for drilling in the permafrost; Lubricating & cooling flushing fluids (LCFE) for drilling in hard mineral deposits; Fundamentals of the theory & technology of drilling with simultaneous freezing of weakly cohesive moist rocks; Theoretical principles & technology of the utilization of plugging solutions; Drilling holes in ice sheets.
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