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.
能量法岩石可钻性测定系统是通过采集钻井井口岩屑并利用微机来测定岩石的可钻性。
By sampling the drill cuttings and using a microcomputer at the well site, the rock drillability can be determined by the energy law measure system.
该过程反映了井底岩石的卸载效应，是深井岩石可钻性的一个新概念。
This is a response of the bottom - hole unloading effect on rock drillability which is a new concept of deep well drillability.
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