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最近发明了一种新的、更有效的钻进系统与装置,它在连续取心时,使用空气锤和冲击钻头. 更为特殊的是,这个发明所提供的新的系统与装置,是在钻孔底部中心处取岩心,可防止孔壁物质对岩心的污染
A new and more effective drilling system and device was recently invented that uses air hammers and impact drill bits for continuous coring. More specifically, the new system and apparatus provided by this invention is based on The center of the hole at the bottom of the core, to prevent the hole wall material on the core pollution