在给定的饱和度下,未固结的多孔介质的非润湿渗透率高于排水渗透率。
At a given saturation nonwetting permeabilities for an unconsolidated porous medium are higher than the drainage permeabilities.
本文记述了用测接触角法研究两个储层基质渗透率极低的碳酸盐岩油藏岩石表面润湿性的方法。
Surface wettability study of two carbonate reservoir rocks of Chuanzhong and Renqiu oil fields by means of measuring contact angles are described in this paper.
利用有限元方法计算了岩石电阻率,进而得到岩石地层因素和电阻率指数,并考查了岩石润湿性对岩石电阻率指数的影响。
The resistivity, formation factor, and resistivity index of rocks were calculated using the finite element method (FEM) and we studied the effect of rock wettability on electrical properties.
并分析讨论了粘度、润湿性、搅拌速度、搅拌时间对粒子收得率的影响。
The influence of viscosity, wettability, agitating rate and time on "particle gaining rate" are analysed.
岩芯的X射线光电子能谱分析显示,纳米聚硅和表面活性剂能吸附在岩石表面上,改变岩石表面的润湿性,提高水相相对渗透率。
According to the result of XPS, the nanometer polysilicon and the surfactant can adsorb on the rock surface, change its wettability, and enhance the water relative permeability.
润湿性是控制这些剩余油分布的一个重要因素,它强烈影响着砾岩油藏水驱动态、毛管压力和相对渗透率。
Wettability is an important factor controlling the distribution of the oil, it strongly affects capillary pressure, relative permeability, waterflood behavior and efficiency.
通过实验研究了润湿性对采收率及相对渗透率的影响,还研究了利用原油老化控制岩石润湿性的方法。
The effect of wettability on recovery and relative permeability by waterflood test and the method of controlling rock wettability by aging crude oil are studied in this paper.
润湿性是影响储层岩石电阻率的重要因素。
Wettability is one of important factors of influencing electrical resistance of reservoir rock.
陶瓷基板的表面张力和厚膜浆料对基板的润湿度会影响印刷线条的分辨率。
The influence of surface energies of ceramic substrates an line resolution in screen printing was studied in this article.
本文利用聚合物表面改性和表面粗糙方法,大幅改善了PP表面的润湿性,成膜率从约40%提高到约95%。
Based on polymer surface modification and roughening method, the surface wettability of PP improved significantly. Film-forming ratio increased from about 40% to 95%.
实验发现通过等离子体处理后,纤维表面摩擦系数、断裂强度、断裂伸长率以及润湿性等性能都有了明显变化。
It was found that the friction coefficient, break strength, elongation at break and the surface hydrophilicity of PPS fiber had changed after the modification.
利用聚合物表面改性和表面粗糙方法,大幅改善了PP表面对水的润湿性,成膜率从约40%提高到约95%。
Based on polymer surface modification and roughening method, the PP surface wettability against water was improved significantly. Film-forming ratio was increased from about 40% to 95%.
结果表明,加入润湿剂与分散剂消除了炭膜的缺陷、使炭膜孔径分布更加集中、提高了炭膜的孔隙率;
The results show that adding wetting and dispersing agent can greatly reduce the defects of carbon membranes and improve the pore size distribution and porosity.
基质渗透率的降低、润湿性的改变以及毛细管压力的增大是储层驱油效率降低的主要因素。
Decrease of the oil displacement efficiency of the damaged reservoirs is mainly resulted from the reduction of matrix permeability, change of wettability and increase of capillary pressure.
该防砂剂吸附于岩石表面使得岩石表面的润湿性向亲水方向变化,导致岩心的油相渗透率增加和水相渗透率减小,说明该防砂剂不但具有防砂作用还具有堵水功能。
The pictures of core scanning by electron microscope indicate that there are good porosity and connectivity in the consolidated core. This sand control agent adheres to rock surf…
该防砂剂吸附于岩石表面使得岩石表面的润湿性向亲水方向变化,导致岩心的油相渗透率增加和水相渗透率减小,说明该防砂剂不但具有防砂作用还具有堵水功能。
The pictures of core scanning by electron microscope indicate that there are good porosity and connectivity in the consolidated core. This sand control agent adheres to rock surf…
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