Effective Porosity

If the effective porosity is given , the reflection coefficient of a solitary wave decreases also as the permeability coefficient increases .

当有效孔隙率一定时，反射系数则随渗透系数的增大而减小。

First , an empirical relationship formula between the effective porosity and total porosity of cement paste is given based on the experimental results of concrete .

首先，根据混凝土的试验结果给出了水泥石有效孔隙率与总孔隙率关系的经验公式。

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

提出了一种测定岩样有效孔隙度的方法。

Effective porosity controls gas distribution , while fracture controls gas production rate .

有效孔隙控制了天然气的分布，裂缝控制了天然气的高产。

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

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。

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

确定碳酸盐岩油气层有效孔隙度下限值的新方法

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

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。

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

含粘土矿物岩心有效孔隙度和油水饱和度的测定

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

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。

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

放射性同位素多孔脉冲法测定层状含水层的有效孔隙度

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

试验结果表明，有效孔隙度越小，蒸发率越低。

AFF ( acoustic formation factor ) equation is an effective porosity interpretation model using sonic logging data .

AFF（声波地层因素）方程是利用声波时差资料求取地层孔隙度的一种有效的解释模型。

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

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

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

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。

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

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。

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

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 said method can also be used to calculate the adsorption factor to tracer by porous medium if the effective porosity of the medium is known .

而且，这种方法在介质的有效孔隙率为已知的情况下，还可以计算出多孔介质对示踪剂的吸附系数。

Approximate solutions show that the ground water level rises in proportion with rainfall intensity , time and inverse number of the effective porosity of the soil .

近似解说明了水位的上升与降雨强度和时间成正比，与土壤的有效孔隙率成反比。

According to tests and analysis , the relationship of effective porosity and total porosity , permeability coefficient and porosity of porous concrete are adduced .

通过试验与分析，给出多孔混凝土有效空隙率和全空隙率，及渗透系数与空隙率的关系；

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 .

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；

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 .

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。

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 .

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。

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

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。

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 .

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。

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

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。

The experimental results indicated that low temperature of casting solution and coagulation bath , short evaporation time and low polymer concentration of casting solution tend to increase the effective porosity of membrane .

实验结果表明较低的铸膜液温度和凝胶浴温度、较短的蒸发时间和较低聚合物浓度有利于增加膜的有效孔隙率。

While the forming voltage was increasing , the pore size and pore porosity increased significantly ( P < 0.05 ), and the effective porosity decreased significantly ( P < 0.05 ) .

在相同的电解液中，随着电压的增加，生成氧化铝膜的孔径和多孔性显著增大（P<0.05），有效多孔性显著减小（P<0.05）。

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 .

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。

In addition ,? T2 ? distribution is used to determine the lower limit of effective porosity and estimate permeability in the reservoir . Stress sensitivity has relationship with water saturation of reservoirs .

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。低渗透气藏岩心的孔隙度随有效压力的增大呈指数关系递减。

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 .

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。