The effect of core permeability and solution salinity on viscoelastic flow has also been studied.
岩心试验中还研究了岩心渗透率和溶液含盐量对粘弹流动的影响。
The damage of formation water and formation water contained anti-swelling agent to core permeability was tested.
实验测试了地层水以及含有防膨剂的地层水对油藏岩心渗透率的伤害。
The recovery of core permeability polluted by 4% clay mud increases from 62% to 89% when 2% EGlu is added in the mud.
在4%膨润土浆中加入2%乙基葡糖苷，使受泥浆污染的岩心渗透率恢复率由62%上升到89%。
During core flooding test, the influence of the injected medium on core permeability causes injection pressure to fluctuate.
在岩心流动试验过程中，注入介质对岩心渗透率的影响必然会引起注入压力出现一定幅度的起伏。
The damage to core permeability due to injection water quality is studied by means of core driving experiment with different water.
通过不同水样的岩心驱替实验，研究了注入水质对岩心渗透率的伤害率。
The results show that: barium sulfate scale damage on the core permeability is affected by temperature, mixing ratio and the cumulative injection.
实验结果表明：硫酸钡结垢对岩心渗透率损害程度受温度、混配比例和累积注水量的影响。
This paper introduce gas Mass Flow Controller principle of operating application for core permeability detection and some factors that influence its test performance.
本文介绍气体质量流量控制器的工作原理和在岩心渗透率测试中的应用，以及影响其测试性能的几个因素。
Core permeability lowers along with the decreasing salinity of fluid used in the experiment, and water sensitivity damage intensifies when fluid salinity decrease sharply.
随着用于实验的流体矿化度的逐渐降低，岩心渗透率持续下降，且当流体矿化度急剧降低时，岩样水敏性损害加剧。
The depleted effects in a wider range of concentration and permeability of polymer solution were calculated with variations of polymer concentration and core permeability.
通过改变聚合物溶液浓度和岩心渗透率，计算了较宽浓度范围和渗透率范围内的衰竭层效应。
The filter action, the feature of filter cake, the damage of core permeability effected by cake and the solving method are researched by the way of dynamic filter experiment.
用动态滤失实验研究了压裂液的滤失行为，滤饼的性质，滤饼对岩心渗透率的伤害及其解除方法。
When polymer relative molecular mass and its distribution width are the same, the polymer displacement efficiency increases with the increment of the core permeability variation factor.
当聚合物的相对分子质量及其分布宽度相同时，随着岩心渗透率变异因数的增大，其聚合物驱采收率也随之增加。
By this method, core permeability in reservoir condition can be calculated conveniently, which provides a basis to establish percolation model of stress sensitivity oil and gas reservoir.
定义了渗透率的应力敏感系数，在应力敏感系数的基础上，建立了渗透率随有效应力的变化关系式，为建立应力敏感性油气藏渗流模型奠定了基础。
Nitrogen gas with different displacing velocity and pressure was used to displace the core in testing, the permeability damage and correlation analysis caused by velocity sensitivity were obtained.
实验用氮气以不同的驱替速度和驱替压差驱替岩心，得到由速敏性引起的渗透率损害及相关分析结果。
Permeability is measured by constant pressure air source blowing, core of the detector is micro differential pressure sensor.
透气性测定通过恒压气源吹气测压法实现，透气性探头的核心部件是微压差传感器。
Nondestructive detection and core sample detection show that the unit weight, porosity and permeability of the core are in accord with the design requirement.
经无损检测和钻孔取芯检测，碾压沥青混凝土心墙的容重、孔隙率和渗透系数均满足设计要求。
This fluid is undamageable and permeability restoration 96—98% is observed in core experiments.
室内岩芯流动实验中含粘土岩芯的渗透率恢复率达96 ％ —98 ％ 。
The laboratory evaluation for protection oil-gas formation is conducted mainly with related instruments to monitor the permeability change of the core.
保护油气层的室内评价工作主要是借助于有关仪器，测定入井流体对油气层损害后的渗透率变化情况。
The pertinent data from the plugs show that the decrease of the fluid permeability is dependent on the cation exchange capacity of the core samples.
实验样品相关测量数据说明，样品液相渗透率的降低与样品的阳离子交换量有关。
Quantitative relationship between measured permeability of rock core and horizontal stress is studied by regressive analytical technique.
根据岩芯样品渗透率分析值和岩石水平应力，以回归分析技术研究了二者的定量关系。
An experimental study in laboratory was carried out to determine the effect of ground stress on core porosity, permeability and compressibility by using confined pressure to simulate terra stress.
通过室内试验，利用围压模拟地层应力，研究了有效应力与岩心的渗透率、孔隙度、岩石压缩系数之间的关系。
It indicates that core experiments of petrophysical parameters for low porosity and permeability reservoir are important in establishing logging interpretation models and formation evaluation.
表明开展低孔隙度低渗透率储层的岩石物理实验，对于建立测井解释模型，进而评价该类储层，具有重要的研究价值。
The unsteady-state method for relative permeability measurement has been found to provide satisfactory results when applied to whole-diameter core samples of coal.
寻求出全直径煤层岩样测定相对渗透率的非稳定方法，并取得满意的结果；
The analytical results show that the key point to realize the optimal parameters is to obtain the high reversible permeability of the core, and some methods to resolve this problem are given.
分析结果表明，获得高可逆磁导率的磁芯是实现最优化参数的关键，并给出了解决这一问题的途径。
At high speed, asphaltene plugging is more serious with increase of flow rate. The damage degree of asphaltene plugging is higher in low permeability core than in high one.
在较高流速下，随速度升高，沥青所造成的孔喉堵塞更加严重，在低渗岩心中沥青堵塞引起渗透率伤害程度大于高渗透岩心。
Owing to a small fluid flowing rate, it is difficult to measure and interpret the physical parameters of low permeability tight rocks by use of conventional core analysis method.
对于低渗透致密岩石的物性参数，由于流体流动速率很小，采用常规的岩心分析方法难以测量和解释。
The experimental data of fluid flow in porous core with low permeability were analyzed with simulation theory and plotted as a log log typical curve.
用无因次分析法对低渗透岩心的实验数据进行了分析，得出新的渗流规律。
The factors that influence core flow efficiency are flow permeability decrease in crushed zone and the thickness of crushed zone.
流动效率影响因素依次为：压实带中渗透率下降程度、压实带厚度。
So if we can inverse the distribution of pore throat or the capillary pressure curve by the pore and permeability data of the core?
是否可以根据岩样的孔隙度和渗透率的大小反演岩样的孔喉体积分布，或者反演毛管压力曲线？
Three-phase relative permeability of oil, gas and water for a number of water wet sandstone. core samples has been measured by this method in steady state condition.
在稳态条件下，利用该方法测定了水湿样品的油、气、水三相相对渗透率。
Relative volume percentage of movable fluid of more than one hundred of super-low permeability core samples is tested by using nuclear magnetic resonance technique.
利用核磁共振无损检测技术对一百余块低渗、特低渗透岩样进行了可动流体相对体积的实验测试。
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