本文介绍了水位骤变时，堤坝不稳定渗流的计算方法。
The paper introduces the method of calculating instable seepage flow in DAMS and levees when the water level changes greatly.
本文研究了均质储层中拟塑性流体的不稳定渗流问题。
This paper studies a homogeneous reservoir pseudoplastic fluid and unstable flow.
建立了水平井筒为均布渗流型和无限导流型的不稳定渗流模型。
Establish the transient flow model of the horizontal well for the uniform flux and infinite conductivity wellbore type.
本文用变分有限元方法处理了两维两相非线性不稳定渗流模型。
In this paper, a non-linear model for two dimension and two phases unsteady state flow through a porous medium is solved by a variational finite element method.
建立起异常高压气藏的不稳定渗流微分方程，并给出其无因次形式。
The differential equation of unsteady infiltration of anomalous pressure has been established, and presents its dimensionless fashion.
非均匀双重介质油气藏不稳定渗流问题是目前渗流力学研究的一个重要问题。
It's well known that question of unstable seepage flow in heterogeneous reservoir is an important and difficult task in the research of porous media percolation mechanics.
非均质双重介质油气藏不稳定渗流问题是目前渗流力学研究的一个重要问题。
It's well known that the question of unstable seepage flow in heterogeneous reservoir is an important and difficult task in the research of porous media percolation mechanics.
穿过单条或者多条裂缝的压裂水平井不稳定渗流问题是一个复杂的渗流力学问题。
Unsteady porous flow in horizontal Wells with single or multiple fractures is a complicated study of mechanics through porous media.
基于油水两相渗流理论，建立了考虑含水影响的油水两相不稳定渗流试井分析的数学模型。
Based on the water-oil phase flow theory, the paper has established the mathematics model of water-oil phase transient well test analysis containing water influence.
实际的地层孔隙压力随时间与距离变化的规律可以使用一维不稳定渗流模型来描述和计算。
This paper uses one dimension unstable seep model to describe and calculate the law of actual pore pressure under various times and locations.
本文在无限大均质地层弹性不稳定渗流模型解析解的基础上，建立了与地层耦合的水平井筒压降模型。
A pressure drop model in horizontal well was established on the basis of the analytical solution of an elastic and unsteady seepage flow model in infinite 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.
建立了各种边界条件下考虑井筒储存效应和表皮效应的非线性不稳定渗流数学模型，并用数值法对其求解。
The nonlinear mathematical models with wellbore storage and skin effects under several boundary conditions were established and solved by using numerical methods.
建立了各种边界条件下考虑井筒储存效应和表皮效应的非线性不稳定渗流数学模型，并用数值法对其求解。
The nonlinear mathematical models with wellbore storage and skin effects under several boundary conditions were established and solved by using numerical methods.
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