This method can be utilized not only to calculate effective permeability of oil or water phase of each producing oil zone of oil wells, but also to estimate effe.
可估算产油井各产层的油、水相有效渗透率,且能估算注水井各注水层的水相渗透率,这些动态渗透率能更好地反映各小层的动态特征。
For condensate gas reservoirs producing below the dew-point pressure,condensate accumulates near wellbore,blocking flow channels of condensate gas and decreasing gas effective permeability and productivity.
在凝析气藏衰竭开发过程中,当压力低于露点压力时反凝析油会在井筒附近聚集,堵塞凝析气的渗流通道,降低气相有效渗透率,导致产能降低,且两相流动区和凝析油堵塞区将随着生产的延续不断向远井处扩展。
For the condition of seldom core wells and none single-zone well test, it is presented that using the combination of well test and pro- duction well log data for many layers to be tested together to estimate oil/water effective permeability, and thus to calculate water saturation based on the empirical relationship of relative permeability and water saturation from core experiment.
针对目标油田取心少、没有单层试井(往往是多层试井)的特点,提出利用多层合试的试井资料和生产测井资料估算各产层的油、水相有效渗透率;再利用岩心相渗透率实验得到的相渗透率与含水饱和度的经验关系,计算出储层的含水饱和度。
Practice in production of ultra-low permeability reservoirs indicate that it is difficult to evaluate the reservoir production performance with conventional development index effectively,so,the effective flooding permeability is introduced,and research shows the fluid can flow in the sublayers whose permeability is greater than the limit.
针对特低渗油藏生产采用常规开发指标难以有效评价油藏生产动态的问题,引入有效驱动渗透率的概念,认为只有渗透率大于有效驱动渗透率的油层中的流体才参与流动。
Effective permeability is introduced here to describe the simultaneous flow of more than one fluid.
有效渗透率描述多种流体同时流动的情况。
The effective permeability is stated as some numerical value at some given saturate conditions.
有效渗透率用在一定饱和条件下的数值表示。
Just as k is the accepted symbol for permeability, k0、kw, and kg are the respected symbols for the effective permeability to oil, water, and gas respectively.
如果k被用来表示渗透率，则k0、kw和kg分别代表油、水和气的有效渗透率。
Effective permeability's are normally measured directly in the laboratory on small core samples.
有效渗透率一般是在实验室中对小体积岩芯样品直接测量得出的。
This definition of effective permeability implies that the medium can have a distinct and measurable conductance to each phase present in the medium.
这一有效渗透率定义意味着介质对存在于其中的每一种液体有明显的可测量的传导性。
It becomes. necessary, therefore, to specify the fluid saturation when staling the effective permeability of any particular fluid in a given medium.
当陈述特定介质中任何一种液体的有效渗透率时，有必要具体说明液体的饱和度。
The saturation's, if known, should be specified to define completely the conditions at which a given effective permeability exists.
如果已知饱和度，就应将其详细说明来定义特定有效渗透率的存在条件。
In the definition of effective permeability each fluid phase is considered to be completely independent of the other fluids in the flow network.
在有效渗透率的定义中，每一个液体相被认为与流 体网络的其它流体相互独立。
The effective permeability is a relative measure of the conductance of the porous medium for one fluid phase when the medium is saturated with more than one fluid.
有效渗透率是在多孔介质被多种流体饱和时，对单一流体相孔隙介质传导性的相对量度。
The effective permeability is a relative measure of the conductance of the porous medium for one fluid phase when the medium is saturated with more than on fluid.
有效渗透率是在多孔介质被多种流体饱和时，对单一流体相孔隙介质传导性的相对度量。
A PERMEABILITY MODEL CONSIDERING THE EFFECTIVE STRESS AND COAL MATRIX SHRINKING EFFECT
考虑有效应力和煤基质收缩效应的渗透率模型
Coefficient of sensitiveness between permeability and effective pressure of coal samples
煤样渗透率对有效应力敏感性实验分析
Oil Displacement Efficiency of Some Combinational Chemical Flooding Solutions on Heterogeneous Sandstone Reservoir Models of Different Permeability and Permeability Variation Coefficient
渗透率和渗透率变异系数对复合体系非均质模型驱油效果的影响
In addition,? T2? distribution is used to determine the lower limit of effective porosity and estimate permeability in the reservoir.
此外,还利用T2分布研究有效储层孔隙度下限,并估算渗透率。
The Blockage Theory for Polymer Flooding Injector and Research Reservoir Effective Retrievement Technolug;
聚驱注入井堵塞机理及有效恢复油层渗透率技术研究
Water pressure outside pressure tunnel under water-tight layer and effective stress of seepage
不透水层压力隧洞外渗透压力和渗流有效应力
Well test interpretation model based on mutative permeability effects for low-permeability reservoir
基于动态渗透率效应的低渗透油藏试井解释模型
Effect of wettability of low-permeability rocks on oil recovery efficiency
低渗透率岩石润湿性对驱油效率的影响