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我队於一九八一年在雪峰矿点斜孔施工中推广试验金刚石绳索取心钻进。这种斜孔钻进方法,相应的技术措施要比直孔复杂。要发挥绳索取心钻进的优越性,就要认真对待斜孔施工中出现的问题。
Our team promoted the test of diamond ropes for core drilling in the construction of inclined holes in Xuefeng Mine in 1981. This oblique hole drilling method, the corresponding technical measures than the straight hole complex. To play the superiority of rope drilling, we must seriously deal with the problems that arise in the construction of inclined holes.