Using the sand pack model, the percolation features of low permeability cores with various clay minerals and different proportions of clays are studied under different fluid injection patterns.

• 通过室内填砂管渗流实验,研究了不同粘土类型、不同粘土比例的低渗透岩心在不同流体注入方式下的渗流特性,并根据实验结果分析了其渗流机理。