钻孔竣工并經过驗收以后,要进行封閉(一般简称封孔),以防止地下含水层相互串通;或在矿山开采期間,地表水、地下水以钻孔为通道傾泻到开采坑道中,造成淹溺事故。因此封孔质量的好坏,既关系着国家地下資源是否能更經济更好地开采和利用,又关系着矿山开采期間职工生命財产的安 After the completion of drilling and acceptance, to be closed (generally referred to as sealing), to prevent underground aquaculture collusion; or during the mining, surface water, groundwater drilling hole as the channel into the mining tunnel, resulting in Drowning accident. Therefore, the quality of the sealing hole is good or bad, not only related to whether the national underground resources can be more economical and better exploitation and utilization, but also related to mine life and property safety workers