通过室内实验和理论分析，研究了油藏条件下的非达西渗流规律。
Through the indoor experiments and theoretical analysis to study the law of non-Darcy flow in the reservoir conditions.
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。
The fluid flowing boundary extends outwards continuously is the feature of pressure propagation with low velocity Non Darcy percolation.
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。
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.
本文将土石堰过流场区分为一维恒定变量流场和二维恒定非达西渗流场；
The topping field of an earth-rock dam is divided into one-dimensional steady spatially varied flow field and two-dimensional Non-Darcy seepage flow field.
首先，在引入启动压力梯度来描述非达西渗流运动规律的基础之上建立渗流模型。
In view of this, this paper importantly studied the rule of flow in homogeneous low-permeability reservoir related start-up pressure.
结合数据光滑、曲线自动拟合和历史拟合技术，编制了低渗非达西渗流的试井软件。
Combing with the technologies of data softness, automatic and history imitate, the well testing software for Non-Darcy percolation flow in low permeability reservoirs compiled.
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。
Numerical model of low velocity non Darcy percolation for fractal reservoir has been set up according to fractal geometry and non Darcy percolation mechanics.
可以看出，在坝基非达西渗流分析中，不能采用线性渗流规律来近似代替非线性渗流规律。
It can be proved that the non linear seepage law can not be approximately regarded as the linear seepage law in analysis of non Darcy seepage through dam foundation.
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。
Low velocity non Darcy flow of dual media oil gas reservoirs with low permeability often makes well testing analysis more complicated.
建立了基于非达西渗流条件下的不同井网产量计算模型，提出了裂缝性油藏井网优化设计方法。
The calculation model for different patterns in non-Darcy flow condition was established. A design method for pattern optimization of fractured reservoir was presented.
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。
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.
研究成果表明：在残余水状态下，亲水低渗储层岩石中的气体低速渗流具有明显的非达西渗流特征；
The results show that under residual water conditions, gas percolation with low speed in water wet low permeability reservoirs has obvious characteristics of non Darcy flow.
同时还对拟稳定流动气井产能公式进行推导，推导出考虑高速非达西渗流、不考虑高速非达西渗流的采气指数的表达式。
Then from the expression of gas well deliverability in pseudo-steady state flow, there can have the expression of gas PI with and without high speed non-Darcy percolation.
低渗透油气藏存在不符合达西定律的渗流，从大量实验和产生低速非达西渗流的影响因素分析，低渗透油气藏确实存在启动压力。
There exist non Darcy's flow and starting pressure in a low permeability reservoir according to analyses of experiments and effect of low velocity non Darcy's flow.
低渗透油气藏存在不符合达西定律的渗流，从大量实验和产生低速非达西渗流的影响因素分析，低渗透油气藏确实存在启动压力。
There exist non Darcy's flow and starting pressure in a low permeability reservoir according to analyses of experiments and effect of low velocity non Darcy's flow.
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