Starting pressure of low permeability cores by using mercury injection method;
运用压汞法研究低渗岩心的启动压力
The fractal number can be calculated from mercury injection data.
以压汞资料为基础计算岩石的孔隙分维数,并建立了储层岩石品质指数与孔隙分维数的半对数关系,在此基础上建立了各类岩石的相对渗透率和毛细管压力的类属方法,将储层非均质性从对渗透率非均质表征延伸到了岩石与流体相互作用关系的表征。
Besides, its values can be gained by means of mercury injection (include helium instrument for porosity test), thin section observation, scanning electronic microscopy (SEM) with digital plates for automatic processing.
另外,还可通过压汞试验(包括氦孔隙仪和压汞仪)、薄片观测、扫描电镜图象处理等试验分析得到其数值。
In this paper, the physical characteristics of rice husk and char particles prepared under different gasification processes were studied by physical adsorption/desorption measurements of N2 (-196℃), mercury intrusion porosimetry (414 MPa) and true density measurement (He).
本文通过氮气等温吸附/脱附法(-196℃)、压汞法(414MPa)、真密度仪(He)等详细研究了在气化条件下谷壳的物理结构的演化,同时利用元素分析和傅里叶红外对颗粒化学结构进行分析。
Pore volume fractal dimensions of fly ash - cement paste at different ages and its pore volume fractal dimensions were determined by MIP(mercury intrusion porosimetry) on experiments.
采用压汞法对不同龄期粉煤灰-水泥浆体的孔分形结构进行了实验研究,测定了复合浆体孔体积分形维数,探讨了孔体积分形维数与孔隙率,孔表面积、平均孔径、孔分布及宏观力学性能的关系。
In this study, the mercury intrusion porosimetry (MIP) tests were performed on the natural sedimentary diatomaceous soil to investigate the relationship between the change in entrance pore size distribution and the applied stress level.
采用压汞法研究了不同固结压力作用下具有强结构性的天然沉积硅藻土的微观孔隙入口孔径分布与应力水平的关系。
In order to characterize quantitatively the microstructure of freeze-dried material, the computational method of surfacefractal dimentsion through mercury intrusion is introduced.
研究表明:采用压汞法能够简便和合理地获得冻干物料的表面分形维数,可采用表面分形维数对冻干物料内部孔隙结构的粗糙和复杂程度特性进行定量描述;冻干物料的表面分维值主要与物料的孔隙分布特性有关,小孔的体积份额越大,物料的表面分形维数也越大。
In order to represent structure and shape of pores in freeze-dried materials quantitatively, based on mercury intrusion, two fractal models of porous media were employed to characterize pores in freeze-dried bovine muscle and cured beef.
为了定量表征冷冻干燥物料孔隙结构和形貌特性,采用两种多孔介质分形模型,通过压汞法研究冻干牛肉和冻干腊牛肉孔隙结构的分形特性。
Based on mercury penetration experiment of this reservoir,and make explicitly that it is a reservoir with low-porosity,low permeability and double porosity of gutter and small voids,it also analysesed the reservoir geologic feature and made out the feature about reservoir lithology,grain composition,matrix,structure,physical property of the reservoir of Carboniferous BAOGUTU and so on.
文中主要研究了车30井区石炭系包谷图组储层,对于该储层的岩石通过压汞实验分析,明确了该储层属于低孔隙度、低渗透率、小吼道的裂缝-孔隙双重介质储层;通过对储层地质特征分析,明确了石炭系包谷图储层岩性、颗粒成分、填隙物、结构、物性等特征;敏感性伤害分析表明:液相侵入是造成储层酸敏、水敏伤害的主要潜在因素;固相颗粒侵入造成储层孔喉堵塞是次要潜在伤害因素。
With the technology of high pressure Hg injection, the ejection saturation (SE) parameter was defined.
基于特低渗透砂岩储层岩心样品的高压压汞测试技术,定义退汞饱和度参数(SE)。
Pore diameter in coal samples,its cubage and surface area at different temperatures and mercury press acting on the pores were measured by mercury porosimetry method.
采用压汞法技术定量测定了在不同温度与压力下煤样的孔径、孔容积与煤的表面积的值;用分形理论对煤在定压变温条件下结构参数进行分形特征描述,并对用孔径与孔容两种分形维度的值表示煤的孔隙结构的合理性进行了比较。
Experiments were made using both nitrogen adsorption method (NAM) and mercury porosimetry method (MPM) to analyze the pore distribution o.
实验分别使用氮气吸附法和压汞法对同一泥页岩进行孔径分析。
The characteristics of porous structure of expanded graphite(EG) were studied by using mercury porosimetry and image analysis.
利用压汞法和图像分析法研究了膨胀石墨的孔结构,压汞法可测量膨胀石墨中微米量级以下的孔隙结构参数,对微米量级以上的孔可以利用图像分析法进行测量,膨胀石墨制备参数对膨胀石墨的孔结构有显著影响,其中插层电量越大孔径尺寸越大,孔径分布越宽;膨化温度越高,孔径尺寸越大,孔径分布也越宽。