The testing results show that the core porosity, permeability, compressibility of low-permeability core are sensitive to confined pressure, and there are exponential degression relation among them.

• 研究结果表明，低渗岩心渗透率、孔隙度及压缩系数对有效应力变化较为敏感，随着有效应力的增大呈指数递减。