有效孔隙度

采样深度在0.5～9.1m范围内，每个样品进行10项测定：矿物组成、粒度分布、密度、总孔隙度、有效孔隙度、给水度、持水度、渗透系数、阳离子交换容量、含水量。

Sampling depth was from 0.5 to 9.1 m. For each sample ten items were determined : mineral composition , particle size distribution , density , porosity , effective porosity , specific retention and specific yield , permeability coefficient , positive ion exchange capacity and water content .

提出了一种测定岩样有效孔隙度的方法。

An improved method of measuring effective porosity of rock samples is presented .

核磁共振测井（CMR）可以提供精确的有效孔隙度、孔隙结构等信息。

While CMR ( combinable magnetic resonance ) can be applied to acquire information on actual porosity and pore structures .

放射性同位素多孔脉冲法测定层状含水层的有效孔隙度

Radioactive isotope multi-well pulse method to determine the effective porosity of stratified aquifers

含水层有效孔隙度的实验研究温度和有效应力对砂岩孔隙度的影响

Test study concerning the effect of temperature and effective stress on porosity of sandstone

一种计算泥质砂岩储层有效孔隙度的三参数测井解释方法

Geophysics a three-parameter logging interpretation method for calculating effective porosity of shaly sandstone reservoir

含粘土矿物岩心有效孔隙度和油水饱和度的测定

The method to determine effective porosity and oil-water saturation in a core containing clay minerals

建立了不同类型储层的有效孔隙度计算方法和有效厚度划分标准。

Effective porosity calculation method and effective thickness division standard were established for different reservoirs .

确定碳酸盐岩油气层有效孔隙度下限值的新方法

A new method of determining lower limit of effective porosity in carbonate oil or gas reservoir

气层“两度”是指有效孔隙度与原始含气饱和度，它是计算天然气储量的重要参数。

The effective porosity and original gas saturation of gas reservoir are the important parameters in calculating gas reserves .

试验结果表明，有效孔隙度越小，蒸发率越低。

The test results show that , the smaller its effective porosity is , the lower its evaporating ratio is .

有效孔隙度是互相连接的孔隙的体积与岩石总体积的比值。

Total porosity is the ratio of the total void space in the rock to the bulk volume of the rock ;

通过柱实验方法研究了溴的示踪实验以及锶的动态迁移实验，绘制穿透曲线，并计算了柱中的实际水流速度、有效孔隙度以及锶的阻滞因子和分配系数。

The breakthrough curves , actual column flow rate , effective porosity , strontium retardation factor and distribution coefficients were also investigated .

致密岩层中由于大量裂缝存在形成了具有有效孔隙度和渗透率的储层。

Compact rock formation formed a available reservoir with effective porosity and permeability because there are a many of fractures in it .

柴油污染对砂土有效孔隙度、渗透性的影响比机油更加显著。

The results showed that the effect of diesel pollution on sand effective porosity and permeability was more significant than that of engine oil .

由于有效孔隙度表示了可流动流体所占有的空间，因此从油藏工程的观点来看，有效孔隙度是所需要的定量值。

From the reservoir-engineering standpoint , effective porosity is the quantitative value desired , as this represents the space that is occupied by mobile fluids .

如何测定多层结构含水层各分层的有效孔隙度和渗透系数，是水文地质求参尚未很好解决的问题之一。

To determine the effective porosity and permeability coefficient of different layers in multi-structured aquifer is one of the problems unsolved in hydrogeological parameter study .

建立了储层有效孔隙度、含油饱和度图版及有效厚度划分标准；

In addition , classification standards for reservoir effective porosity , oil bearing saturation and effective thickness have been established and applied in reserve calculation of 8 blocks .

根据有效孔隙度下限值统计了蒲西1、3、4井的各类储层的物性（电性）参数，并进行了岩心孔隙度校正及有效厚度的校正。

According to lower-limit value of efficient porosity , statistic work on all kinds of reservoirs physical parameters is done and core porosity and efficient height are revised .

储层孔隙结构越好，测试产能越高，临界水饱和度越高，其对应的有效孔隙度下限越低。

The better the pore structure of reservoir , the higher the tested productivity and the critical water saturation , the lower the correspondent cutoff of effective porosity .

通过对dcs/dcn与测井解释孔隙度相关性研究，导出了依据dcs/dcn求取储集层有效孔隙度的公式。

By the relative studies on dcs / dcn and logging interpretation porosity , the author induced the formula for extracting reservoir effective porosity according to dcs / dcn .

介绍了根据测井资料可综合评价泥质盖层的参数，包括厚度、排替压力、盖层总孔隙度、有效孔隙度、渗透率、含砂量等。

Log data may be used for calculating shaly capping beds parameters such as thickness , displacement pressure , total porosity , effective porosity , permeability , sand content , etc.

新井的储层有效孔隙度、有效渗透率和含油饱和度的解释精度，直接关系到油藏描述的正确与否以及储油层射孔方案的编制等工作。

The effective porosity , effective permeability and oil saturation in reservoirs of new well are directly related to the description of oil reservoir and the perforation design for oil-bearing sediments .

根据声学原理分析论证了决定储层声波时差值大小的因素是储层有效孔隙度、孔隙纵横比和微毛细管孔隙构成的无效孔隙度。

According to acoustic principle , the paper analyzes and expounds that the factors which affect the acoustic travel time are effective porosity , ratio of pore vertical-horizontal and micro-capillary porosity .

对于由晶体构成的物质，其晶粒间含泥浆少或较少，因此总孔隙度与有效孔隙度近似相等。倾向于减少或价值上减少的。

For intergranular materials , poorly to moderately well cemented , the total porosity is approximately equal to the effective porosity . tending to decrease or cause a decrease in value .

因此提出了补偿中子与补偿密度交会法进行砂泥岩剖面岩性分析、补偿中子与有效孔隙度差值法进行泥质含量求取等方法。

This paper presents some methods for computing the shale content and lithological analysis of shale-sand strata , which include the CNL / effective porosity differential method and the CNL / CDL crossplot .

溶浸剂种类、浓度，矿层组成、厚度，矿石有效孔隙度和粒度，溶浸剂流速等是影响溶解开采深埋藏杂卤石的技术因素。

The technical factors affecting solution mining of the deeply-lying polyhalite include types of solving agents , solution concentration , compositions and thickness , porosity and size of ore and flowrate of solving agents .

压汞试验得到的孔隙度是三维空间内孔隙的体积百分比（氦气计测得的为开孔隙度，压汞仪得到的应是有效孔隙度）；

The porosity from mercury injection test represents the pore ratio in a three dimension ( from helium instrument it is the opening porosity , while from the mercury injection is effective porosity ) .

研究岩石离子导电基本规律和脉冲非极化电流测试方法，得出岩石电阻变化率与有效孔隙度变化率之间的理论关系；

The basic laws of electrical conduction by ions for rocks and the measuring methods of pulse non-polarization for electrical current are studied . The theoretical relation between the rate of electrical resistance and that of porosity for rocks is explained .

具体过程为（1）选取储层参数（累积厚度、温度、有效孔隙度、有效渗透率、压力）和原油参数（含油饱和度、地下原油粘度和密度）等8个参数作为特征参数；

Particular process is like that : 1 . select five reservoir parameters ( cumulative thickness , temperature , effective porosity and permeability , pressure ) and three crude oil parameters ( saturation , viscosity and density ) as characteristic parameters ;