The relation curves of water phase permeability of reservoir cores and back-pressure were obtained.
得到了裂缝性低渗透储层岩心水相渗透率随回压的变化曲线。
The measurement results showed that the invasion of the filtrates of oil-base mud and water-base mud has a considerable effect on oil phase permeability.
测定结果表明,试验所用的油基和水基泥浆滤液的侵入均对油相渗透率造成相当严重的损害。
So, after reservoir watering out as edge water and bottom water enters, the gas phase permeability will decrease greatly, and strong water lock effect will happen.
因此,当边水和底水进入储层发生水淹后,气相渗透率将极大降低,存在较强的水锁效应。
The wave energy creates gravity separation of the fluids, altering the phase permeability of subterranean formations and causing the fluid to migrate to Wells in the field being stimulated.
波的能量产生的液体重力分离,改变了地下相地层渗透率,导致流体迁移外地的水井受到刺激。
The flow resistance of foam is affected by those parameters such as surfactant concentration, oil saturation, temperature, permeability, water and gas phase velocity, etc.
泡沫的流动阻力受泡沫剂浓度、温度、油饱和度、渗透率以及水相和气相达西流速的影响。
Relative permeability of oil phase increases with the capillary number but is insensitive to non-Darcy effect.
油相相对渗透率对非达西效应不敏感,但随毛细管数增加而增加。
Only when phase slowness is extracted from the Stoneley wave and the flexural wave, can the parameters of formation be obtained exactly, such as permeability and shear slowness.
只有从频散的斯通利波和弯曲波中提取出相慢度,才有可能进一步求准地层渗透率和横波慢度等参数。
A glassy phase possesses high viscosity at high temperature, high density and low permeability and porosity.
在高温下玻璃相具有高粘度、高密度、低透气性和孔隙率。
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。
Absolute permeability is the measurement of the permeability conducted when a single fluid, or phase, is present in the rock.
绝对渗透率是岩石中只有一种或单相流体时所进行的的渗透率的量测。
On the contrary, oil-phase relative permeability declines quickly, while water-phase relative permeability goes up slowly.
反之则油相相对渗透率下降较快,水相相对渗透率上升较缓。
Experimental data show that the permeability of cartilage tissue is related with the volume strain of solid phase, which cannot be ignored.
实验结果表明,关节软骨的渗透率与固体相的体积应变有着密切的关系,不容忽视。
The experimental data available in literature were employed to build the incremental ratio function for relative permeability of two-phase medium.
基于已有的岩心实验数据,构造了振动采油条件下两相介质相对渗透率的变化率函数。
Based on consideration of stress sensitivity of coal seam permeability, the single-phase flow rule of coal-bed gas in coal and cleats is studied by using non-equilibrium adsorption model.
在考虑煤层渗透率应力敏感性的基础上,采用非平衡态吸附模型,研究单相煤层气在煤体和割理中的流动规律。
For low permeability micro - fractured reservoirs drilling and completion operations, the solid phase invasive, stress-sensitive, water trapping is the main damage mechanism.
对于低渗微裂缝储层钻井完井作业而言,固相侵入、应力敏感、水相圈闭是主要损害机理。
Thus two-phase relative permeability data had to be amplified and extended for three-phase systems.
因此,两相相对渗透率必须拓展为三相相对渗透率,以适应三相流体体系。
The characteristics of single phase and two phase percolations in low permeability reservoirs are studied by taking low permeability reservoirs in ZW Oilfield for example.
以ZW油田低渗储层为例,研究了低渗油藏单相、两相渗流特征。
In general, these curves are characterized by high irreducible water saturation, low remaining oil saturation with high relative permeability and wider two-phase region.
一般相对渗透率曲线具有束缚水饱和度较高、残余油饱和度较低以及残余油状态相对渗透率较高、两相流动区间较宽的特点;
Three-phase relative permeability of oil, gas and water for a number of water wet sandstone. core samples has been measured by this method in steady state condition.
在稳态条件下,利用该方法测定了水湿样品的油、气、水三相相对渗透率。
The results showed that, the permeability of water phase decreased 85% at least, the permeability of oil decreased no more than 25%. PDZ-1 has high selective plugging and a nice flushing resistance.
结果表明,该堵剂可使水相渗透率下降85%以上,油相渗透率下降25%以下,具有明显的选择性封堵作用及优良的耐冲刷性。
So far permeability is referred to rock conditions where a single-phase fluid saturation was considered.
目前讲到的渗透率只涉及只考虑单相流体的饱和的岩石的条件。
The single-phase porous flow plugged by mobile gels is nonlinear, the starting pressure of oil is lower than that of water, and the permeability of oil is higher than that of water.
结果表明,微裂缝性特低渗透油藏一维单向渗流的压力分布影响因素比较多,如启动压力梯度、变形系数、生产压差和排距等,并且这些因素均以非线性方式产生综合影响。
The single-phase porous flow plugged by mobile gels is nonlinear, the starting pressure of oil is lower than that of water, and the permeability of oil is higher than that of water.
结果表明,微裂缝性特低渗透油藏一维单向渗流的压力分布影响因素比较多,如启动压力梯度、变形系数、生产压差和排距等,并且这些因素均以非线性方式产生综合影响。
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