The study shows that the swelling clay is the key factor that affects considerably the percolation feature of low permeability reservoir.
分析认为，膨胀性粘土的存在是影响低渗透油藏渗流特性的关键因素；
This research settled an experiment foundation on further study of percolation feature and on effective development of low permeable reservoirs.
研究结果为进一步研究低渗透油藏渗流特性，有效开发低渗透油藏奠定了一定的实验基础。
The fluid flowing boundary extends outwards continuously is the feature of pressure propagation with low velocity Non Darcy percolation.
流体流动边界不断向外扩展是低速非达西渗流压力波传播的特点。
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