Analyzed and discussed are the phenomena appeared in the logging data from air-drilling well, which aimed at selection of log series and log interpretation for air-drilling well in the future.
针对空气井测井中出现的现象进行了分析与探讨，旨在为今后空气井测井系列的选择与解释奠定基础。
To solve the problem of well bore cleaning during air and mist drilling, the test device is the key equipment and essential means.
解决空气雾化钻井井眼净化问题，试验架是关键装置、基础设备和必要手段。
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。
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