国内外空气锤钻井技术的文献调研。
Literature research of air hammer drilling in domestic and overseas.
引进空气钻井、氮气钻井、空气锤冲击钻井在普光气田上部陆相地层试验和应用，并成功拓展到须家河组地层。
Introducing into air drilling, nitrogen drilling and air percussion drilling were applied in Puguang upper continental facies stratum; moreover, drilled successfully into Xujiahe group stratum.
在油田气体钻井中使用KQC系列空气锤，解决了泥浆钻井在中硬以上地层中钻速慢、易井斜的难题。
KQC series of air hammers used in gas drilling can solve certain problems, such as lower ROP(Rate of Penetration) and well deviation, which occurred in mud drilling in above medium hard formation.
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