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N. I. Vasil'ev, P. G. Talalai, A. N. Dmitriev, S. V. Yankilevich, A. A. Prokazov, V. Ya. Lipenkov Directional drilling in ice caps. Journal of Mining Institute. Vol 187. p. 31.

Directional drilling in ice caps

Authors:
N. I. Vasil'ev P. G. Talalai A. N. Dmitriev S. V. Yankilevich A. A. Prokazov V. Ya. Lipenkov
Date submitted:
2016-12-14
Date published:

Abstract

Directional drilling technology can be used in glacier boreholes to obtain additional ice cores and to pass over sticking drills. Experimental sidetracking of 5G-2 hole in the deep borehole at Vostok station, Antarctica, showed the high efficiency of the directional drilling without using of special whip-stocks to deviate the hole. 

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