Literature research of air hammer drilling in domestic and overseas.
国内外空气锤钻井技术的文献调研。
The air-driven down-hole hammer drilling is still very effective and speedy in well drilling in karst limestone area.
在水文水井中，气动潜孔锤钻进仍可发挥它高效率、高速度的作用。
This paper collects air hammer' using status in oil and gas fields drilling site at home and abroad.
收集了国内外空气锤技术在油气田钻井现场的使用现状。
This paper collects air hammer' using status in oil and gas fields drilling site at home and abroad.
收集了国内外空气锤技术在油气田钻井现场的使用现状。
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