Laboratory test results show that, fluid flowing in low permeability porous media exhibit nonlinear characteristics.
室内试验研究表明，流体在低渗透多孔介质中渗流时表现出非线性特征。
Since the pore radius is very tiny in the low permeability porous media, the capillary pressure should be taken into account.
在低渗透多孔介质中，由于孔隙半径小而不能忽略毛细管压力对油气体系相平衡的影响。
The results show that: (1) a liquid flow through low permeability porous media has characteristics of non Darcy flow and there are starting pressure gradients;
结果表明：在低渗透多孔介质中，液体渗流为非达西类型，渗流曲线特征为凹形曲线至直线，存在（拟）启动压力梯度；
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