According to geologic model of unsteady groundwater flow in heterogeneous medium and adopting the finite difference solution, the direction and strength of oil gas migration can be quantified.

根据非均匀各向异性地层的非稳定的地下水流动模型，采用有限差分法求解，可以定量判断油气运移的方向及强度。

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Actual flow rate, direction, dispersity and dispersion coefficients of groundwater are achieved by the dispersion tests.

通过地下水弥散实验研究获得了地下水实际流速、流向、纵横向弥散度和弥散系数。

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