The analysis of dynamics of the frozen part of drill column utilizing vibration and impact devices is presented. Authors offer and ground the process of freeze liquidation of drill column by impact method, following the rules, derived from the theory of longitudinal impact and theory of friction. The conclusion is that vibration and impact liquidation of frozen part of column extends under the action of static tension, and processes, arising up in а column reduce the action of resistances or will implement anisotropic resistance force is drawn.
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