渗透率

CO2驱油过程中的相对渗透率研究

Relative Permeability Study in Oil Displacement Process of CO_2 Injection

提出了改进ISA（InverseSolutionAlgorithm）方法，可以更准确地确定井筒附近储集层渗透率分布。

The distribution of reservoir permeability near the wellbore can be determined more exactly by the improved method of ISA ( Inverse Solution Algorithm ) .

报告指出，较高的保险渗透率可能使天津港爆炸事故成为中国近几年索赔金额最高的灾难之一。

The high insurance penetration rate in this area could make the blasts one of the most costly catastrophe claims for the Chinese insurance sector in the past few years , the report said .

水相粘度和渗透率下降系数表述为交联剂浓度、聚合物浓度、pH值和成胶时间的函数。

The aqueous relative permeability reduction factor and viscosity are functions of the polymer concentration , gel agent concentration , pH , and gel time .

并测定了最大损坏深度渗透率DmPR；

Maximum damage depth penetration rate , DmPR was also measured .

实验得到的视渗透率数据与渗透率具有较好的相关性。CH4排放的日变化与温度日变化的相关性很好（R＞0.90）。

The diurnal variation of CH4 emission rate correlates very well with the temperature ( R > 0.90 ) .

采用频谱分析将储层参数（孔隙度、渗透率、含油饱和度等）进行分析，计算出β和分形特征指数H进行分形模型的识别。

β and fractal nature index H can be figured out according to spectrum analysis of reservoir parameters ( porosity , permeability , oil saturation , etc. )

LCM工艺增强材料横向渗透率测量研究

Transverse Permeability Measurement of Reinforcement in LCM Process

LCM工艺中纤维预成型体渗透率的研究

Study on Permeability of Fiber Perform in LCM

不同化学改良剂均能不同程度的提高土壤渗透率，增加田间持水量，降低土壤pH值，减少土壤全盐量，增加阳离子交换量，降低碱化度等。

Different chemical improvers were able to increase soil permeability and soil field capacity , reduce soil pH , reduce soil total salt content , increase CEC , reduce ESP in different extent .

该体系不用破胶剂，靠pH值变化自动破胶，因而减少了不溶性残渣，避免了对储层的伤害，提高了地层渗透率。

For there is no any gel breaker in the system and it breaks automatically with pH value changing , infusible residue producing and formation damaging are prevented and reservoir permeability is improved .

针对渗透率低于10-3μm2天然低渗透砂岩岩心，在改造的气体渗透率测定仪上进行含水岩样中气体渗流规律的室内实验。

Gas percolation in sandstone cores with permeability lower than 10-3 μ m2 has been studied with water-bearing samples and modified gas permeability analyzer .

采用分岩性建立孔隙度模型，以压汞资料为基础，根据流动单元理论，将H井区储层分为四类，分不同类别储层建立了渗透率和束缚水饱和度模型。

Based on the mercury intrusion data , reservoirs are divided in four types according to the flow unit theory , permeability model and bound water saturation model in different type of reservoir are formed .

结果表明，Nafion膜的甲醇渗透率和质子电导率均因聚苯胺的修饰而降低，但前者降低幅度显著而后者较小。

Results show that the methanol penetrability and the proton exchange conductivity of Nafion membranes are reduced by the deposited polyaniline .

VG模型虽然可以与持水曲线匹配得很好，但是VG模型和BC模型都对相对渗透率估计过低。

Although VG model can reasonably well match the simulated water retention curves , both VG and BC models underestimate relative permeability .

在控制高温胁迫过程中，四倍体的电解质渗透率、可溶性糖和MDA含量均低于二倍体，但两者变化趋势相似；

Under the controlled heat stress , the tetraploid had a lower leakage rate of electrolyte , content of soluble sugar and malondialdehyde ( MDA ), though a similar tendency existed in both .

在回归出单井平均相对渗透率曲线的基础上，通过求两个偏微分方程的数值解，求出了径向上的含油饱和度分布、地层渗透率K和平均地层压力；

Based on regressing the curves of average relative permeability in single well , that the oil saturation distribution , permeability ( K ) and average formation pressure have been gotten through seeking numerical solution to this two equations .

韦2块平均渗透率为（6.1～13.5）×10-3μm2，是一个较为整装的低渗&特低渗油藏。

The average permeability of block Wei 2 is ( 6.1 ~ 13.5 )× 10 3 μ m 2 , it is a comparatively integral low and super low permeability reservoir .

例如：CO2气体对水泥石的腐蚀会导致水泥石强度降低，增加渗透率，提供了气窜通道。

This scenario will cause great economic loss . For example , corrosion from CO2 will reduce the compression strength and increase the permeability rate of the cement rock , forming an access for gas migration .

测量了氢离子束通过Cu-1.85wt%Be薄膜的渗透率，样品的表面成分由在位的俄歇电子谱仪（AES）监测。

Hydrogen permeation rate though Cu-1.85 wt % Be alloy was measured with H_2 ~ + ion beam . The surface composition was obtained by in-situ Auger Electron Spectroscapy ( AES ) .

特别是渗透率小于10×10-3μm2的储层对应力的变化非常敏感，由此所产生的流固耦合现象也十分明显。

Especially the low-permeability reservoir with permeability of less than 1.0 × 10 - 3 μ m 2 is very sensitive to stress change , and the resulting solid-liquid coupling effect is also very evident .

研究表明：岩层的破坏造成渗透率的增大、非Darcy流β因子和加速度系数的减小，从而使突水因数增大，突水发生的危险性增大；

It was shown that when the permeability raised , the non-Darcy flow β factor and acceleration coefficient decreased as the failure of the mining floors , and the water-inrush-factor raised subsequently .

结果表明，随着油层平均渗透率的增大，采用LPS体系调剂时，油层的采出程度逐渐降低，在同一平均渗透率下，不同渗透率变异因数油藏的LPS体系驱替的采收率差别很小；

The results show that the LPS recovery efficiency decreased with the increase of mean permeability . Under the same permeability , the oil recovery efficiency with LPS is almost the same for different permeability factors .

纤维预成型体的渗透率是构件成型中控制渗流方式和进行充模流动数值模拟的关键参数，属于LCM工艺的基础性研究。

As one of the basic study in LCM , the permeability of fiber perform is a key to the control of flow pattern and the filling simulation .

研究树脂在增强材料中的流动特性是发展树脂转移成形（RTM）技术的基础，增强材料的渗透率是表征树脂在织物中流动特性的重要参数。

Study of flow characteristics of resin through reinforcement is the basis for developing RTM . Permeability of reinforcement is a important parameter for describing the flow characteristics of resin .

孔隙度大于8%、渗透率大于0.5×10-3μm2的样品通常分布于粒度中值在0.50mm以上的粗砂岩中；

The samples which porosity is more than 8 % and permeability more than 0.5 × 10 - 3 μ m2 are generally distributed in the coarse sand-stones with grain size mid-value of above 0.50 mm ;

当Da≥10－时，Darcy模型与Brinkman模型的计算结果存在一定的偏差，这一偏差在较小的渗透率比时更为明显。

As Da ≥ 10 - , there exists a certain difference between the Darcy model and the Brinkman model . It is more significant at a lower permeability ratio .

采用推广的Johnson动态渗透率公式，数值计算了单极子和偶极子声波测井全波波形，结果表明水平渗透率与全波波形有密切的关系。

The monopole and dipole acoustic logging full waveforms are numerically calculated using the extended dynamic permeability given by Johnson et al . The results show that the horizontal permeability is closely related to the acoustic logging waveforms .

巴喀油田中侏罗统砂岩属特低渗透裂缝孔隙型储集层，平均渗透率为0.3×10-3μm2；

Sandstone reservoir of Middle Jurassic in Baka oil field is of lowest permeability , which is fracture and pore , and the average permeability is only 0.3 × 10 - 3 μ m 2 on the ground .

研制的煤岩渗透率测定仪及自动化测试系统，可以模拟1000m垂深的原岩应力，其测量范围宽、精度高、试样加工容易。

Developed equipment and automation measurement system to permeability of coal and rock can emulate origin stress underground 1000m . Its measurement range is wide and its accuracy is high .