This paper discusses how to handle the seepage foundation for dykes, and gives design index concluded from pressure percolation and standard for seepage control.
探讨堤防透水堤基处理中,采用压渗及排渗控应遵循的原则及如何确定相关的设计指标。
The fluid flowing boundary extends outwards continuously is the feature of pressure propagation with low velocity Non Darcy percolation.
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 effect of percolation during the sinking process is also considered, and the sinking depth and the negative pressure required are determined.
考虑了负压下沉过程中渗流的影响,确立了桶内土柱顶部所需压力与下沉深度之间的对应关系。
The result shows that cyclic water injection may be more effective if increasing oil-water percolation rate, standup pressure time and water holdup coefficient.
周期注水技术主要是通过油水交渗效应、毛管压力作用,增加注水波及体积,从而提高水驱采收率的技术。
In terms of the relationship between element sulphur solubility and pressure, the depositional models of element sulphur separation are established by means of stable percolation theory.
根据元素硫溶解度与压力关系,利用稳定渗流理论,建立了元素硫析出的沉积模型。
Cyclic water injection increases swept volume through oil-water percolation effect and capillary pressure effect to improve water drive recovery factor.
周期注水技术主要是通过油水交渗效应、毛管压力作用,增加注水波及体积,从而提高水驱采收率的技术。
The larger viscoelasticity of polymer solution, the higher percolation resistance, and the greater of proportion of high injection pressure arising from elastic effect.
聚合物溶液的粘弹性越大,其在地层孔隙中的渗流阻力越大,弹性效应在增高注入压力中所占的份额也越大。
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.
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。
In oil and water phases, fluid percolation obeys Darcy's law. According to this, the formula for calculating producing pressure differences of the interwell fluid units could be established.
在油水两相中,流体渗流服从达西定律,由此可以建立流动单元的生产压差计算公式。
It is no doubt the influence of capillary pressure on the bi-phase percolation in the porous medium.
多孔介质中,毛细管压力对两相渗流的影响毋庸质疑。
By comparing, analyzing and classifying for early pressure curve shape property in deep layer and low percolation gas field of Daqing oilfield, producing potential is predicted.
对大庆深层低渗透气井的早期压力曲线形态特征进行对比分析和归类,预测储层产能。
The effects of reservoir fluid property in high and low pressure and the starting pressure gradient on the percolation laws were taken into account in this model.
给出了极限井底流压和产量拐点的求解方法,分析了启动压力梯度、流体性质等因素对低渗透油藏油井产能的影响。
The effects of reservoir fluid property in high and low pressure and the starting pressure gradient on the percolation laws were taken into account in this model.
给出了极限井底流压和产量拐点的求解方法,分析了启动压力梯度、流体性质等因素对低渗透油藏油井产能的影响。
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