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。
The experimental data of fluid flow in porous core with low permeability were analyzed with simulation theory and plotted as a log log typical curve.
用无因次分析法对低渗透岩心的实验数据进行了分析，得出新的渗流规律。
Slow velocity flow of low permeability rock matrix has very wide application background in oilfield development and hydro-engineering.
低渗透岩体的低速渗流在石油开发和水利工程方面具有十分广泛的应用背景。
The obvious slippage effect for gas flow has been found due to the low gas permeability, and the effect of coal matrix shrinkage on the permeability is also indispensable.
低渗透气藏中的气体渗流具有明显的滑脱效应，同时煤基质收缩效应对煤层渗透率的影响也是不容忽视的。
At high speed, asphaltene plugging is more serious with increase of flow rate. The damage degree of asphaltene plugging is higher in low permeability core than in high one.
在较高流速下，随速度升高，沥青所造成的孔喉堵塞更加严重，在低渗岩心中沥青堵塞引起渗透率伤害程度大于高渗透岩心。
It is very difficult for the conventional numerical reservoir simulation theories to describe the characteristic of fluid flow in low permeability media, because they are all based on the Darcy's law.
而传统的油藏数值模拟理论都是建立在达西定律之上的，因而它很难反映低渗介质中的流体渗流特征。
Methods of experiment, theory and calculation were used to establish a new nonlinear flow law. Experiment results of gas flow in low permeability pore-fissure media were analyzed.
采用实验、理论与计算相结合的方法建立低渗透孔隙-裂隙介质气体非线性渗流运动方程。
The threshold pressure gradient of low permeability sandstone was studied experimentally by measuring the pressure attenuation in an unsteady seepage flow.
为了研究低渗透砂岩的启动压力梯度，设计了一种非稳态渗流中测量压力的试验方法。
Intermittent flow is caused by low reservoir pressure and permeability in slowly but steadily draining formation.
间歇自喷由缓慢、稳定排油地层的低地层压力和低渗透率所致。
During the development of low permeability reservoir, interaction between fluid flow and rock deformation is obvious.
在低渗透油田的开发过程中，油藏流体渗流和储层岩土之间存在明显的耦合作用。
Nonsteady flow method is usually used to conduct water drive test for low permeability reservoir, but it is less accurate and cannot meet production need.
通常对于低渗储层进行水驱油测试采用非稳定流方法，但该测试方法准确性较差，不能满足生产要求。
The seepage flow characteristics of a typical fractured low permeability reservoir were studied by experiments.
对某油田断块含天然裂缝的低渗透储层渗流特征进行了实验研究。
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。
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。
In view of seepage process in vertical fracture well in low permeability reservoir, considering kickoff pressure gradient and media deformation coefficient, bilinear flow model is established.
针对低渗透地层垂直裂缝井的渗流过程，考虑了启动压力梯度和介质变形系数的影响，建立了三线流模型。
Seepage flow patterns and water driving characteristics are special in deep low permeability oil layers.
深层低渗油藏的渗流规律及水驱油特征具有特殊性。
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 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 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。
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。
Based on the flow equation concerned on threshold pressure gradient and deforming media, this paper productivity equation and IPR forecasting method for low permeability reservoir.
基于考虑启动压力梯度和介质变形特性的单相流渗流方程，建立了适应于低渗透油藏油井的产能方程，并给出了低渗透油藏单相流ipr预测方法。
The filtering flow rules and water-oil displacement characteristics in deep pay and low-permeability reservoirs has some specialities.
深层低渗透率油藏的渗流规律及水驱油特性具有特殊性。
According to seepage characters and fissure distribution in fractured low permeability oil reservoir, equivalent model to simulate the fluid flow in fractured reservoir was set up.
根据裂缝性低渗透的渗流特征和裂缝分布特点，建立了裂缝性低渗透油藏渗流等效连续介质模型，编制了相应的裂缝性低渗透油藏数值模拟软件。
The method can be used to study porous flow and well test problems in the reservoir with low permeability.
该方法适用于低渗油藏渗流及试井分析研究。
For the low porosity and permeability reservoir of Shi Wu Oilfield, fracture is the main flow channel of oil and gas. So it is essential to do a comprehensive research on the fracture.
对于十屋油田营城组低孔低渗储层，裂缝是油气的主要渗流通道，所以有必要对裂缝进行全面的研究。
In view of this, this paper importantly studied the rule of flow in homogeneous low-permeability reservoir related start-up pressure.
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。
A problem on nonlinear flow in low-permeability porous media is a basic one in exploiting low-permeability oil and gas fields.
低渗透非线性渗流是开发低渗透油气田所需解决的重要基础问题，也是现代渗流力学的前沿研究方向之一。
The fluid flow properties and mechanism of fluid flow in low-permeability reservoir with fractured sandstones are complicated. The spontaneous imbibition of water is very important for oil recovery.
低渗透裂缝性油田开发比较复杂，其中水的自发渗吸对原油的开采十分有利。
The fluid flow properties and mechanism of fluid flow in low-permeability reservoir with fractured sandstones are complicated. The spontaneous imbibition of water is very important for oil recovery.
低渗透裂缝性油田开发比较复杂，其中水的自发渗吸对原油的开采十分有利。
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