... 凿岩机 rock drill; hammer drill; qu ... 深孔凿岩机 long-hole drill 小孔凿岩机 plug hole drill ...
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long drill-hole along rock level 岩石水平长钻孔
How long does it take to drill a hole?
打一口井要多长时间？
As long as the part isn't too heavy and there is a good hidden spot to drill the hole this method works well.
只要部分不是太沉重，有一个很好的隐蔽的地方钻洞，此方法效果良好。
Hade 4-11 well is a typical drill pipe sticking well of slim-hole and super long interval caused by damaged case to leak in Hade operation district of Tarim oilfield.
哈得4 - 11水平井属于塔里木油田哈得作业区典型的因上部套管破损漏失造成的小井眼超长井段沉砂卡钻井。
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