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Vol 178
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Elimination of complications and accidents during deep well drilling in glaciers

N. I. Vasiliev1
P. G. Talalay2
V. M. Zubkov3
A. V. Krasilev4
M. V. Zubkov5
About authors
  • 1 — G.V. Plekhanov Saint Petersburg Mining Institute
  • 2 — G.V. Plekhanov Saint Petersburg Mining Institute
  • 3 — G.V. Plekhanov Saint Petersburg Mining Institute
  • 4 — G.V. Plekhanov Saint Petersburg Mining Institute
  • 5 — Санкт-Петербургский государственный горный институт (технический университет)
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In spite of the certain success in ice drilling technology, there are enough accident examples of the deep coring in so-called warm ice, which is characterized by the increasing of ice crystals and has temperatures closed to the pressure melting point. The generally accepted recommendations for choosing of rational drilling parameters in such ice don’t exist. The low reliability of the drilling process as often as not resulted to the one of the most severe accident in the hole – sticking of the core drills. The effective accident elimination is possible due to the ice dissolving in the sticking zone by the delivery in this zone of the solvent active to ice, for example, ethylene glycol or its aqueous solution.

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  1. Липенков В.Я. История климата и оледенения Антарктиды по результатам изучения ледяного керна со станции Восток / В.Я.Липенков, Н.И.Барков, А.Н.Саламатин // Проблемы Арктики и Антарктики. Вып.72. С.197-236.
  2. Маэно Н. Наука о льде. М.: Мир, 1988. 231 с.
  3. Талалай П.Г. Тепловой режим разрушения льда резанием // Записки Горного института. 2001. Т.148. Часть 2. С.169-174.
  4. Bjornsson H. Freezing on a rotary drill in temperate glacier ice // Johull. 1973. Vol.23. P.53-54.
  5. Fletcher N.H. The chemical physics of ice. Cambridge Univ. Press, 1970. 271 p.
  6. Gundestrup N.S., Johnsen S.J., Hansen S.B., Shoji H., Talalay P., Wilhelms F. Sticking of core drills: Why and how to recover // Memoirs of National Institute of Polar Research (Japan). 2002. Vol.56. P.181-195.
  7. Industrial Solvents Handbook / 4th Ed. Park Ridge, New Jersey, USA, 1991. 930 p.

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