A new simple pore mechanics model is established based the pore structure of low permeability reservoir rock, from which the quadratic equation of effective stress and permeability can be educed.
针对多孔介质特殊的孔隙结构特征，建立了一个新的简化孔隙力学模型，并由该模型导出了渗透率与有效应力的二次多项式关系。
Laboratory study on the effective stress of low-permeability sandstone rock was carried out using the modified factorial design program.
采用了修正的析因设计方案，对低渗透致密砂岩进行了有效应力方程的实验研究。
Compact rock formation formed a available reservoir with effective porosity and permeability because there are a many of fractures in it.
致密岩层中由于大量裂缝存在形成了具有有效孔隙度和渗透率的储层。
Compact rock formation formed a available reservoir with effective porosity and permeability because there are a many of fractures in it.
致密岩层中由于大量裂缝存在形成了具有有效孔隙度和渗透率的储层。
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