孔隙体积

聚丙烯酰胺在油砂岩芯中的不可及孔隙体积

The Inaccessible Pore Volume for Polyacrylamide in Oily Sand Cores

不可入孔隙体积与聚合物分子量选择研究

Research on Inaccessible Pore Volume and Polymer Molecular Weight Selection

岩心驱油降压模拟实验表明，表面活性剂体系驱替0.5倍孔隙体积（PV），后续水驱替压力下降48%左右。

Core simulation experiments showed that the pressure of water drive could decrease by 48 % after surfactant drive ( 0.5 PV ) .

油砂的孔隙率越高，不可及孔隙体积越小.表明HPAM在油砂中将有更高的驱油效率。

The experimental results show that a higher concentration of HPAM causes a larger IPV . The higher porosity of oily sand core causes a lower IPV and the oil flooding efficiency of HPAM will be higher .

采用KSCN作示踪剂，测定了高分子量聚丙烯酰胺（HPAM）58℃时在辽河油田油砂岩芯中的不可及孔隙体积.分析结果表明，随着HPAM浓度的增加，不可及孔隙体积也增加；

The inaccessible pore volume ( IPV ) for high molecular mass polyacrylamide ( HPAM ) in oily sand cores from Liaohe Oilfield was analyzed at 58 ℃ using KSCN as a tracer .

优先水流可使NO-3快速向下迁移，在仅1倍孔隙体积时，其出流中可收获投加量的11%。

NO - 3 was moved down rapidly by preferential flow at only one time as large as pore volumes , and got 11 % of the applied amount , respectively .

聚合物不可入孔隙体积影响因素研究

Influencing factors of inaccessible pore volume of polymer flooding

油气藏原始烃类孔隙体积的早期预测

Early predication of the initial hydrocarbon pore volume in oil and gas reservoir

然后由岩样的有效孔隙体积和骨架体积计算出岩样的有效孔隙度。

So the effective porosity is drawn from the matrix volume and effective pore volume .

不可及孔隙体积对聚合物溶液在多孔介质中流动的影响

The effect of inaccessible pore volume on the flow of polymer solution in porous media

白云化过程中岩石孔隙体积的变化

Change of pore volume in dolomitization

水质对盐分淋洗量的影响不大，置换土壤中的盐分大约需要8到10个孔隙体积的水量；

Water required by salt leaching was 8-10 pore volumes under the different water quality treatment ;

在实践中应从四个方面考虑注氮气与增产油量之间的相应关系：1、注氮气量与油砂体孔隙体积；2、注氮气位置与地层倾角对注氮气效果的影响；

This paper introduced 4 corresponding relationships between nitrogen-injection and increase production to be considered in practice .

以孔隙体积计量的累计注入量

Cumulative injection in pore volumes

砷在柱中的迁移符合零级动力学，此外，随着进水孔隙体积的增加，速率常数逐渐降低。

In addition , with the increase of intake water volume , the reaction rate constant was gradually reduced .

在排烃作用活跃的烃源岩中，孔隙体积和孔隙水的数量也会发生很大的变化。

The pore volumes and the amounts of pore water also may vary considerably in actively expelling source beds .

中置调剖段塞为0.2000倍孔隙体积较好。

When the middle slug of profile control is 0.20 times of pore volume , better results can be obtained .

利用数值模拟方法，研究聚合物驱注入速度对不可及孔隙体积的影响。

The impact of injection rate of polymer flooding on the inaccessible pore volume is studied by the numerical method .

研究表明，连通孔隙体积比能够准确描述岩心中孔隙的整体连通性；

The results show that the total connectivity of the rock pore can be precisely depicted by connecting volume fraction .

对视有效孔隙体积进行测定体系下的压变性校正，获得岩样的有效孔隙体积；

The effective pore volume is obtained by correcting the compressive strain of the apparent effective pore volume under the measuring system .

有机改性膨润土的比表面积、孔隙体积和平均孔径相比钠化膨润土均有所降低。

The BET areas , pore volumes and average pore diameters of the two organo-bentonites were decreased as compared to that of Na-bentonite .

建立了考虑储层孔隙体积变化和毛细管力的衰竭过程相平衡数学模型，分析研究了孔隙体积变化和毛细管力对衰竭过程相态行为的影响。

The mathematical model of phase equilibrium simulating depletion process considering pore volume change and capillary force is constructed and phase behavior is analysed .

该设备由岩石力学测试系统、超声波测试系统和孔隙体积变化及渗透率测试系统组成。

This large scale instrument consists of rock mechanics testing system , ultrasonic velosity testing subsystem and pore volume change and permeability testing subsystem .

结果表明，功率声波能够增加煤的孔隙体积，提高甲烷在煤层中的渗透率；

The results show that PSW can increase pore volume of coal and can enhance permeability of coalbed methane ( CBM ) in coal .

地震数据通过迭代过程不断更新直到通过共同模拟得到的孔隙度模型计算结果与试井解释得到的测试区域内连通孔隙体积相匹配。

Seismic data is modified iteratively until the well test pore volumes calculated from the co-simulated porosity models match the values interpreted from well test .

以达西定律为基础，建立了一个基于含水率与注入孔隙体积倍数的实用水驱规律模型，应用该模型可以预测水驱产油量或采收率。

Based on Darcy 's law and relation between water cut and pore volume , a practical equation for describing water flooding regulation was established .

根据注入不同孔隙体积倍数汪入水时岩样渗透率的变化，评价了注入水的敏感性。

The sensitivity of the injection water is evaluated based on permeability changes of rock samples as water injected with different multiples of pore volume .

采用平板模型模拟油藏非均质特点，改变各作业剂注入孔隙体积倍数，比较其采收率增值和经济效果。

Using plate models to simulate heterogeneous reservoir characteristics , oil recovery increment and economy efficiency are researched by changing the injecting volume of operation agents .

渗透率比值与注水孔隙体积倍数或渗流速度的关系曲线均呈“S”形；

The relative curves of the ratio of transient permeability to initial permeability with the injected fluid volumes or seepage velocity are like a character " S " .

孔隙度定义为岩石内的孔隙体积占岩石总体积的百分率。

Porosity is defined as the ratio of the void space in a rock to the bulk volume of that rock multiplied by 100 to express in percent .