摘要
介绍了应用机械和理化综合洗井的方法 ,钻进速度低 。
The way of machinery physicle comprehensive washing well is introduced.This drilling speed is low and difficult to reach the design depth.
出处
《煤炭技术》
CAS
2004年第6期96-97,共2页
Coal Technology
关键词
泥浆钻进
抽水钻孔
措施
mud drilling
pumping and drilling
measures
