As small gas and hydrogen index causes the calculated effective porosity of a gas zone smaller than that of formation, .
由于储层含气含氢指数小,导致气层核磁共振测井计算的有效孔隙度小于地层孔隙度,含气显示越好的储层核磁测井解释的有效孔隙度越小。
The charts for effective porosity and primary water saturation of logging interpretation have been established.
以岩心、试油、测井资料为基础,用密集取样代替常规取样解决了大小样不匹配的问题,建立了测井解释有效孔隙度、原始含水饱和度图版,并对其进行了影响因素的分析与校正,给出了合理的取值,其研究结果对萨零组油层的有效开发具有一定的指导意义。
According to acoustic principles, it is determined that the factors controlling the moveout of reservoir acoustic wave are effective porosity of reservoirs, aspect ratio of pores and ineffective porosity occupied by irreducible water.
通过引进储层孔隙纵横比的概念,根据声学原理分析论证了决定储层声波时差(Δt)大小的因素是储层有效孔隙度(φ)、孔隙纵横比(h)和束缚水所占无效孔隙度(φwi)。
The different size sands and macropores\'mold were used to simulate the same macropores\'depth and different effective surface macropores,and a novel soil column was designed to observe the 3D infiltration of macropore flow under the condition of ponding water.
利用不同粒径砂石和大孔隙域模具模拟同一深度、不同有效面孔隙度,在特制试验装置中研究积水条件下大孔隙流的三维运移行为。
For more highly cemented materials and limestones, significant difference in total porosity and effective porosity values may occur.
对于含泥浆较多的物质或石灰岩，其总孔隙度和有效孔隙度会有很大差别。
For intergranular materials, poorly to moderately well cemented, the total porosity is approximately equal to the effective 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。
The total porosity and the aerate porosity decrease after the rain while the faster available porosity and the slow available porosity increase .
降雨后土壤的总孔隙度下降，通气孔隙下降较明显，同时速效孔隙和迟效孔隙增多。
In addition,? T2? distribution is used to determine the lower limit of effective porosity and estimate permeability in the reservoir.
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。
Stress sensitivity has relationship with water saturation of reservoirs.
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。
AN EFFECTIVE STRESS LAW FOR ANISOTROPIC MULTI-POROSITY MEDIA
各向异性多重孔隙介质有效应力定律
The effective permeability is a relative measure of the conductance of the porous medium for one fluid phase when the medium is saturated with more than one fluid.
有效渗透率是在多孔介质被多种流体饱和时，对单一流体相孔隙介质传导性的相对量度。
The effective permeability is a relative measure of the conductance of the porous medium for one fluid phase when the medium is saturated with more than on fluid.
有效渗透率是在多孔介质被多种流体饱和时，对单一流体相孔隙介质传导性的相对度量。
Seismic velocity can occasionally be affected by porosity and temperature.
孔隙率和温度有时也能影响地震波速。
Influence of Organic Fertilizers on Soil Bulk Density and Porosity of Purplish Soil;
有机肥对紫色土容重及孔隙度的影响
velocity vs porosity relationship
孔隙度与速度关系图
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。
Porosity may be classified according to the mode of origins (1) original and (2) induced.
按其原始形态，孔隙度可分为原生孔隙度和次生孔隙度。
ocks having original porosity are more uniform in their characteristics than those rocks in which a large part of the porosity is induced.
具有原生孔隙度的岩石比次生孔隙度占大部分的岩石在性质上更具有一致性。
resistivity-porosity cross plotting
电阻率-孔隙度交绘图法
formation facctor-porosity relationship
地层因数-孔隙度关系
gas-filled porosity
天然气充满的孔隙度
litho-porosity crossplot
岩性-孔隙度交会图