界面张力

Effect of concentration of surfactants, alkalines and salinity on the DIT behaviors are investigated.

详细地考察了表面活性剂浓度、碱度及盐度对动态界面张力行为的影响。

ASP-Foam flooding is a new EOR technology which is developed based on ASP flooding and foam flooding. Foam is formed in the process where ASP is injected with gas alternatively or simultaneously. Due to the extra low tension and high viscosity and the effects of gas blocking you can expected the results of high recovery and high sweep efficiency.

泡沫复合驱是在三元复合驱和泡沫驱基础上发展起来的一种新的三次采油技术，该体系是在三元复合体系和天然气的交替注入或同时注入过程中形成的，由于该体系具有超低的界面张力、较高的粘度及泡沫的气阻作用，预计泡沫复合驱既能显著提高驱油效率和波及体积。

Glycolipid biosurfactant can decrease oil-water interfacial tension greatly after it was recombined with other chemical additives, the emulsification capability of such glycolipid was excellent.

3以石油、十四烷为碳源产生的糖脂表面活性剂经复配后降低油水界面张力效果显著、乳化能力强。

The surface tension of correlation components was measured. The interfacial tension was calculated by harmonic or geometrical mean.

测定了相关组分的表面张力，用调和平均法或几何平均法计算了界面张力。

Methods By using the theories of conservation of mass, of energy, Darcy's law and hydrokinetics, the mechanical model of oil layer fluid under the function of low frequency vibrated wave was studied. With the combination of indoor experiment and the numerical simulation, the effect of downhole low frequency vibration on oil viscosity, interfacial tension, capillary pressure, producing water cut and the rising velocity of it was studied quantitatively.

应用质量守恒定律、能量守恒定律、达西定律、流体动力学等基本原理研究了低频振动波作用下油层流体的数学模型，将室内实验和数值模拟技术相结合定量地研究了低频振动对原油私度、界面张力、毛管压力、产水率及产水率上升速度的影响。

Therefore the chapter gives out a method to enhance the oil recovery ------surfactant flooding, choosing firstly non hydronium surfactant compound system that is due to oil permeable bed of Xing-shugang oil field, and measuring relative permeability in surfactant flooding, surfactant flooding has the purpose to reduce oil-water interface intension and add oil disperse in water.

为此本文提出了注活性水提高低渗透油层开发效果的技术方法，优选出适合杏树岗油田低渗透油层条件下的非离子表活剂复配体系，并对活性水驱油时的相对渗透率进行了测定，活性水驱油可以起到降低油水界面张力、增加原油在水中分散的目的。

A surfaceactive agent reduces surface tension in a fluid or the interfacial tension between two immiscible fluids, such as oil and water.

表面活性剂可减小流体的表面张力，或两种不互溶流体间的界面张力，如油和水。

Study on the interfacial tension of surfactant systems is meaningful in practice and theory.

研究表面活性剂体系的界面张力在理论上和实践上都有重要意义。

The effect of contact time on the interfacial tension of alkali /surfactants/crude oil system was studied.

研究了接触时间对NaCl/碱/重烷基苯磺酸盐/大庆原油体系界面张力的影响。

The influence of pre-contact time on the interfacial tension of alkali /surfactants/crude oil system is studied.

研究了预接触时间对NaCl/碱/重烷基苯磺酸盐/大庆原油体系界面张力的影响。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。