Віброударна головка бурильної установки з гідроімпульсним приводом

Author
Іскович-Лотоцький, Р. Д.
Іванчук, Я. В.
Date
2005-06-17
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Abstract
Development of immersing shock unit, allows to carry out a rotation shock way of drilling deep chinks, for increase of mechanicalspeed passablenes which efficiency is based on significant decrease in resistibility of rocks to destruction at dynamic loadings in comprasion with static.
URI:
http://ir.lib.vntu.edu.ua/handle/123456789/15107
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