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1·This term is a product among the non-Darcy coefficient, the fluid density and the square of flow velocity.

非达西项是非达西系数、流体密度和流速平方的乘积。

2·Circle water flow system and high hydraulic gradient are applied. The experiment is carried out and the behavior of non-Darcy water flow with high velocity is studied.

试验研究宽裂隙高水力梯度下的非达西渗流运动规律，建立流速与水力梯度的非线性关系曲线。

3·It is proved through experimental research that the Darcy law should be revised to adapt to high seepage velocity.

研究表明，在渗流速度较大时应对达西定律加以修正。

4·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。

5·This paper presents a new gas well testing analysis method considering gas well producing at constant pressure in infinite gas reservoir accounting for high velocity non-Darcy flow ef.

对于定压生产气井试井分析，由无因次产量的倒数和无因次时间构成的常规半对数图在考虑高速流动效应时需要进行修正。

6·Numerical model of low velocity non Darcy percolation for fractal reservoir has been set up according to fractal geometry and non Darcy percolation mechanics.

根据分形几何学并结合非达西渗流力学，建立了分形油藏低速非达西渗流的数学模型。

7·The changing thickness of the adsorbed water layers can be used to interpret the non-Darcy percolating character in case of low flow velocity of the low permeability oil reservoir.

变化的吸附水层厚度可以解释低渗透油藏中低流速下的非达西渗流特征。

8·Low velocity non Darcy flow of dual media oil gas reservoirs with low permeability often makes well testing analysis more complicated.

双重介质低渗油气藏，往往存在低速非达西渗流，故该类油气藏的油气井试井分析更具复杂性。