绝对渗透率

首次开发出了动态地质模型的油藏数值模拟软件，它可模拟绝对渗透率随时间变化的情形。

First develop the software for dynamic geological model , which can simulate the varied absolute permeability .

绝对渗透率的影响主要在早期，但对最终采收率影响较小。

Effect of the absolute permeability manifests mainly in the early period with a little effect on the ultimate recovery .

提出了提高或降低水泥石绝对渗透率的方法。

Then factors that effect cement relative permeability , oil and water permeability are studied .

且双曲线的位置形状参数或顶点参数决定了岩石绝对渗透率的大小。

The absolute permeability of reservoir rock is determined by the parameters from position and shape and apex of hyperbola .

初始水饱和度越低，岩心的绝对渗透率越小，水锁效应越严重；

The lower initial water saturation is , the less absolute core permeability and the worse water lock effect it meets .

绝对渗透率是描述岩石中流体渗流能力的参数，同时也是影响煤层气产量的一个重要参数。

Absolute permeability is used to describe the flowing capacity in rock , and also a critical parameter that determine the coalbed methane production .

建立了外加直流电场作用下储层绝对渗透率因数与双电层厚度的数学模型，其定性结论与实验结果相符。

The mathematical models of the relationship of reservoir absolute permeability coefficient and electronic double layer thickness under the impressed DC electric field are established .

煤的绝对渗透率、气-水相对渗透率在预测煤层气开采中甲烷和水的产率是极为必要的参数。

The absolute permeability rate of coal and relative permeability rate of gas-water are the necessary parameters for forecasting the birth rate of coalbed methane and water in mining .

对不同岩心，绝对渗透率越小，气体突破压差越大，气相渗透率也越低；

For different core samples , the smaller the absolute permeability is , the bigger the pressure difference of gas breakthrough is , and the lower the gas phase permeability .

计算结果表明，采收率和空气消耗量对原油的相对渗透率很敏感，而绝对渗透率对其影响不大；

The numerical results show that oil recovery and air consumption are sensitive to the relative permeability of oil . The absolute permeability has only a weak effect on them .

在外加直流电场作用下，双电层厚度对低渗透储层绝对渗透率的影响大，而对高渗透储层的绝对渗透率的影响相对较小。

Under the impressed DC electric field , the electronic double layer thickness affects absolute permeability of the low permeable reservoir greatly and absolute permeability of high permeable reservoir diminutively .

分别用位置形状参数和顶点参数成功建立了岩石绝对渗透率的估算模型，并用大量实测数据验证了估算模型的可靠性。

The estimating model of rock absolute permeability is established successfully by position - shape and apex parameters respectively , and its reliability has been proved by plenty of measured data .

对于低渗透天然岩心，其有效绝对渗透率因数随电场强度增大而单调递增，且其值很大，而高渗透天然岩心的有效绝对渗透率因数提高的幅度较小。

Experimental results indicate that the effective absolute permeability coefficient increases greatly with the electric field strength increase in the low permeable natural core , but increase slowly in the high permeable natural core .

在研究低渗透砂岩气藏的压力敏感性损害过程中，利用天然岩心进行压力敏感性实验，分析实验结果，得到了绝对渗透率与有效压力之间的经验方程。

During the research of stress sensitivity damage of low-permeability sandstone gas pool , natural cores are used for the experimental analysis , and empirical equation between absolute permeability and affective pressure is given .

毛管压力曲线表征了储层岩石孔喉大小和分布，对于孔隙性储层而言，岩石绝对渗透率主要取决于孔喉分布。

The pore throat size and distribution of reservoir rock may be characterized by capillary pressure curve . In regard to porous reservoir , rock absolute permeability is mainly depended on the distribution of pore throats .

通常，微粒堵塞、油堵、垢堵、细菌堵塞造成地层绝对渗透率降低，乳状液堵塞、水堵、润湿性改变引起油相渗透率降低。

Usually , particle plugging , oil plug , scale plug and bacterial plug can cause decrease in formation absolute permeability . Emulsion plug , water blocking and wettability change can cause decrease of oil permeability .

影响因素分析表明：水合物藏产气速率及累计产气量等随储层绝对渗透率增加而增大、随井底压力降低而增大、随地层温度升高而增大。

The influence factors analysis reveals that the gas production rate and the cumulative gas increase with the increase of reservoir absolute permeability , with the decrease of bottom pressure , with the increase of reservoir temperature .

通过聚合物驱岩心试验，对比分析了注聚合物前后岩心的束缚水饱和度、残余油饱和度、绝对渗透率和相对渗透率的变化特征。

Through core test of polymer displacement , the irreducible water saturation , remaining oil saturation and the characteristics of changes of absolute permeability , and relative permeability of cores are contrasted and analyzed both before and after the polymer flooding .

研制出了变形介质低渗非达西渗流的油藏数值模拟软件，它能模拟其他油藏数值模拟软件不能有效模拟的地层绝对渗透率动态变化和渗流规律不满足达西定律的油水两相三维渗流问题。

The dynamic changes of absolute formation permeability parameters and the problems of oil and gas 2 phase and 3 dimensional percolation as percolating law not meeting with Darcy 's law are simulated , which could be simulated by other reservoir simulation software .

文中论述了岩心的伤害率计算方法。提出以岩心的绝对渗透率和束缚水饱和度条件下的有效渗透率作参考渗透率来计算伤害率。

Fracturing fluids should be tested with the same method and under the same condition to provide comparable results , fn the calculation of the damage ratio of a core sample , its absolute permeability and effective permeability with bound water saturation can be used as reference .

含负磁导率或双负材料的一维光子晶体的全方位带隙中波的反射相位特性导磁率－频率变换器绝对磁导率；绝对磁导率；绝对渗透率；绝对渗透率

Reflection Phase Properties in the Omni-directional Gap of One-dimensional Photonic Crystals with Mu-negative or Double-negative Materials

用相对渗透率曲线建立水平井采液、吸水指数经验公式绝对磁导率；绝对磁导率；绝对渗透率；绝对渗透率

Application of Relative Permeability Curves to Establishment of Empirical Formulas for Fluid Productivity Index and Injectivity Index of Horizontal Well