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金刚石取芯钻进是当前世界地质勘探技术中公认的发展方向之一。为欲提高钻探效率,许多国家都在研究金刚石钻头的破岩机理,但由于很难直接观察到孔底的破岩过程,目前的破岩理论还停留在假说阶段。
Diamond core drilling is one of the recognized development directions in the current world geological exploration technology. In order to improve the drilling efficiency, many countries are studying the rock breaking mechanism of diamond bits. However, the current rock breaking theory remains at the stage of hypothesis because it is very difficult to directly observe the rock breaking process at the bottom of the hole.