Sandstone evaluation can be better carried on, using sandstone capillary pressure curve(pressuring mercury way) data to quantitatively study sandstone pore structure characteristic parameters.
应用砂岩的毛细管压力曲线（压汞法）资料定量研究砂岩孔隙空间结构特征参数，以便更好地进行砂岩评价。
Secondly, giving the method for determining the rock mechanical parameters, crustal stress and pore pressure.
其次，给出了岩石力学参数、地应力和地层孔隙压力的确定方法。
Rock strength is related to drilling parameters and features of formation rock. Formation pore pressure is an important affecting factor on rock strength.
在石油钻井施工过程中，岩石的抗钻强度主要受井下地层岩石性质的影响，地层孔隙压力则是影响岩石抗钻强度的一个重要参数。
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