Well Pingluo 006-5 is a drainagewell in Pingluoba geologic structure with low pressure and easy loss.
平落006 - 5井是平落坝低压易漏地质构造上的一口排水井。
2
The large-diameter gas drainagewell laid out in the Xuandong No. 2 Mine used small-diameter pilot drilling, then gradually reaming the borehole and finally completed to designed size.
宣东二号矿布设施工的大口径瓦斯抽放井以小口径导向钻进,后逐级扩孔成井。
3
To draw up the technical standards and management norms of water supply industry and drainage industry, as well as to supervise and implement them.