摘要
针对钻井法在张集煤矿风井区立井井筒基岩段钻进过程中遇到的跳钻、憋钻、吸收口堵塞、掉钻头、进尺缓慢等一系列问题,提出相应的解决方法。
Direct to a series of problems appeared in drilling in bedrock of the vertical shaft of wind well area sueeh as jump drilling, holding drill, blocking absorption mouth, dropping drill head, slow footage in Zhangji Coal Mine, provides the corresponding solutions.
出处
《煤炭技术》
CAS
2008年第5期109-111,共3页
Coal Technology
关键词
钻井
基岩段
施工
问题
解决方法
drilling
bedrock
construction
problem
solution
