摘要
姚桥煤矿通过对二叠系太原组四灰含水层被堵塞钻孔和裂隙发育不畅钻孔利用盐酸洗井 ,一次洗通 ,取得了良好的效果。
At Yaoqiao coal mine, once and successful shaft washing using hydrochloric acid is made in the drillhole aquifer stuffed by the permian system Taiyuan group NO.4 lime, good result has been obtained.
出处
《勘察科学技术》
2001年第3期44-46,共3页
Site Investigation Science and Technology
