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大同矿务局煤田地质勘测队为了解决无水源地区的地质勘探和冬季施工勘探用水的困难,改变钻探生产成本高、效益低、生产方式长期被动落后的局面,首次试验空气吹孔钻进获得成功。试验从八一年十一月二十日开始,截止目前共打灭火孔三个,其中4号孔不取芯,孔深为255.79米,2号孔、5号孔取芯,孔深分别为275.11米,275.50米,总计进尺806.40米,
Datong Mining Bureau coalfield geological survey team in order to solve the geological exploration of non-water source areas and exploration of winter construction of water difficulties, change the high cost of drilling production, low efficiency, long-term passive backward production situation, the first trial of air blowhole drilling success . The test began on November 20, 2001. Up to now, three fire holes have been extinguished. Among them, the No. 4 hole does not coring and the hole depth is 255.79 meters. The holes No. 2 and No. 5 are coring and the hole depths are 275.11 meters, 275.50 meters, a total footage of 806.40 meters,