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.
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。
Air drilling is a kind of under-balanced drilling technology with air, whose rock breaking form is different from conventional mud drilling.
空气钻井技术是以空气作为循环介质的欠平衡钻井技术，其钻头的破岩形式与常规泥浆钻井有很大的区别。
The mud in a mud drilling and water pumping well drilled through the Quaternary System can be only removed partly as the well is washed intensively.
泥浆钻进的第四系抽水钻孔，强化洗井后，只能部分消除泥浆钻进的影响。
The mud in a mud drilling and water pumping well drilled through the Quaternary System can be only removed partly as the well is washed intensively.
泥浆钻进的第四系抽水钻孔，强化洗井后，只能部分消除泥浆钻进的影响。
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