采用有限差分法和混合有限分析法对耦合模型进行数值求解，并分析了启动压力梯度对地下水污染浓度的影响。

The finite difference method is used to solve the coupling model, and the influence of starting pressure gradient on the distribution of groundwater pollutant concentrations is analyzed.

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结果表明，微裂缝性特低渗透油藏一维单向渗流的压力分布影响因素比较多，如启动压力梯度、变形系数、生产压差和排距等，并且这些因素均以非线性方式产生综合影响。

The single-phase porous flow plugged by mobile gels is nonlinear, the starting pressure of oil is lower than that of water, and the permeability of oil is higher than that of water.

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结果表明，微裂缝性特低渗透油藏一维单向渗流的压力分布影响因素比较多，如启动压力梯度、变形系数、生产压差和排距等，并且这些因素均以非线性方式产生综合影响。

The single-phase porous flow plugged by mobile gels is nonlinear, the starting pressure of oil is lower than that of water, and the permeability of oil is higher than that of water.

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