本文对于考虑井筒储集效应和表皮效应情况下的双重渗透率问题进行了研究。
The double permeability reservoirs with skin and wellbore storage effects are studied by using Laplace-Weber dual integration transformations.
考虑与实际生产相符的介质的双重特性和分形特征，并考虑介质的变形，引入双重分形介质渗透率模数，建立应力敏感地层双重分形介质系统的流动方程。
We establish a flow equation stress_sensitive to permeability for fractal and deformed double porous media and introduce permeability modulus of double porous media fractal reservoir.
基于渗透率随压力呈指数变化规律，建立了任意形状应力敏感性双重介质油藏不稳定渗流的数学模型。
Based on the law of permeability changing with pressure, a mathematical model is established for unsteady percolation in dual-porosity reservoirs with arbitrary shape of stress sensitivity.
计算表明：考虑天然裂缝渗透率变化的滤失量要远远大于常规双重介质模型得到的滤失量，当净压力较高时，二者可相差10倍之多。
The calculation shows that, fracturing fluid leak-off considered variable permeability are greater than conventional fractured loss model, when net pressure is higher, the two has 10 times difference.
计算表明：考虑天然裂缝渗透率变化的滤失量要远远大于常规双重介质模型得到的滤失量，当净压力较高时，二者可相差10倍之多。
The calculation shows that, fracturing fluid leak-off considered variable permeability are greater than conventional fractured loss model, when net pressure is higher, the two has 10 times difference.
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