With the deeper drilling operation increased gradually, the triaxialcompressivestrength model will become one of important parameters to measure the formation strength characteristics.
深井钻井作业量的逐步增加,岩石三轴抗压强度的预测模型将成为衡量地层强度特性的重要参数之一。
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The triaxialcompressivestrength of rock is one of the most important formation parameters of drillability, and is the principal basis of polycrystalline diamond compact(PDC) bits selection.