The value of rock drillability is usually used to select the type of bit.
钻头类型通常用岩石可钻性级值的大小来选择。
It is a simple and feasible approach to calculate rock drillability from log data.
利用测井资料求取岩石的可钻性是一种简便可行的途径。
It is a simple and feasible approach to calculate rock drillability from log data.
利用测井资料求取岩石的可钻性是一种简便可行的途径。
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