The analysis shows that Darcy flow in steady fluid flow is only a special case of non-Darcy flow.
分析结果表明，稳定流动时，达西流只是非达西流的一个特例。
The fluid migration is low non-Darcy flow, but not follows the Darcy law in low permeable reservoirs.
在低渗透油气藏中，油气藏流体的流动一般不遵循达西定律，而是低速非达西流。
The result shows that waterflood frontal movement of non Darcy flow is fast, resulting in earlier water breakthrough;
结果表明：非达西流使水驱前缘推进速度加快，使油井见水早；
Through the indoor experiments and theoretical analysis to study the law of non-Darcy flow in the reservoir conditions.
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。
Then a more representative and rigorous overall deliverability equation desired is obtained through introduction of non-Darcy flow.
通过引入非达西流修正项，最后得到凝析油气两相流更完善的、新的综合产能方程。
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。
Research on characters of non-Darcy flow and starting pressure gradient of low permeability reservoir were foundation of reservoir production.
低渗透储层渗流具有非达西特征和启动压力梯度，是研究低渗透储层开发过程中问题的基础。
And Darcy flow production equation with gas-bearing volume may reflect the characteristics of methane migration in coal measure strata more really.
把含气量引入达西流产量公式也许能更真实地反映甲烷气体在煤储层中流动产出的特征。
The unsteady Darcy flow and the Darcy flow in composite reservoirs through porous medium, double medium and triple medium are special cases of their own.
单一介质、双重介质、三重介质非定常达西渗流及组合油藏达西渗流，只是上述问题的特殊情况。
There is a big gap between the production performance prediction on the fractured Wells using the typical curves developed by darcy flow law and practice.
目前基于达西流动假设所制作的预测压裂井生产动态的典型图版，对压裂气井生产动态的计算结果与实际相差较大。
Natural convection around a horizontal, isothermal cylinder in an infinite, fluid-saturated porous medium is modeled analytically using the Darcy flow model.
本文运用达西流模型，对饱和含湿多孔介质中环绕水平等温圆柱发生的自然对流进行了数值模拟和分析。
The results show that: (1) a liquid flow through low permeability porous media has characteristics of non Darcy flow and there are starting pressure gradients;
结果表明：在低渗透多孔介质中，液体渗流为非达西类型，渗流曲线特征为凹形曲线至直线，存在（拟）启动压力梯度；
The calculation model for different patterns in non-Darcy flow condition was established. A design method for pattern optimization of fractured reservoir was presented.
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 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.
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 mathematical model of coupled flow for low permeable gas reservoirs is set up in the article. The model considers the influence of non-Darcy flow effect and medium deformation.
文章建立了低渗气藏耦合流动数学模型，该模型考虑了非达西效应和介质变形因素的影响。
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。
The equation was used to predict Baoyuan Gas Reservoir BP1 horizontal gas well production and analyze the effects of water block effect, Non-Darcy flow and water saturation on gas well.
应用该公式预测了宝元气藏BP1水平气井的产能，分析了水锁效应、非达西流动效应以及含水饱和度变化对该气井的影响。
By using conformal transformation method, productivity formulas of horizontal well, taking effects of non-Darcy flow and water-blocking effect into account, have successful been developed.
应用保形变换方法推导出水平气井产能公式，模型能考虑非达西流动以及水锁效应对水平气井产量的影响。
This paper has established a gas flow equation based on Darcy Law, and solution of values is made by using a computer.
本文以达西定律为基础，建立了煤层瓦斯流动方程，并利用电子计算机进行了数值求解。
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。
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.
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。
Formulae were derived to predict additional pressure drops due to mechanical skin and non-Darcy effect in the perforation radial flow and wellbore radial flow.
在射孔径向流和井筒径向流中，推导出了机械表皮因子和非达西流影响引起的附加压力降的表达式。
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。
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.
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。
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。
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.
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；
In chapter three, horizontal well non-darcy steady flow productivity formula for two different reservoir 'conditions were derived.
第三章中推导了两种不同储层条件下的水平井非达西稳态渗流方程。
In chapter three, horizontal well non-darcy steady flow productivity formula for two different reservoir 'conditions were derived.
第三章中推导了两种不同储层条件下的水平井非达西稳态渗流方程。
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