近年来，提高原油采收率的重要措施是使用驱替液。
Recent years, the important measure to increase the crude oil recovery ratio is using displacing fluid.
为正确地安置水泥塞，水泥浆的用量和驱替液必须仔细地经过计算和计量。
For correct placement, the volume of slurry and the displacement fluid must be carefully calculated and measured.
文中用带屈服应力的假塑性流体描述驱替液性质，用宾汉流体描述原油性质。
The displacing fluid of power law fluid with yield stress and displaced fluid of Bingham are used to illustrate these effects.
使用化学剂的水溶液作为原油驱替液的技术称为化学驱油技术，也称三次采油。
Use the chemistry the technique for of aqueous solution conduct and actions crude oil displacement agent to call the chemistry flooding oil the technique, and also call for tertiary oil recovery.
实验研究了大庆油田所用ASP三元复合驱替液的驱油效率与碱浓度之间的关系。
The oil displacement efficiency of the ASP combinational flooding solution of varying alkaline concentration used at Daqing is studied experimentally.
微观可视岩心模型实验研究结果证实，粘弹性驱替液可降低不同润湿性岩心的残余油饱和度。
Research results of flooding visualization cores show that viscous-elastic fluid flooding can decrease the residual oil saturation of cores with all types of wettabilities.
第三，为了计算孔隙模型的微观波及效率，本文给出了驱替液波及边界的定义，并采用速度法确定其在流场中的位置。
Third, in order to calculate microscopic sweep efficiency in pore models, we define sweep boundary of displacement fluid, and determine it by velocity method.
通过岩芯驱替实验发现该缓速酸工作液具有打开油流通道，提高地层增产增注的能力。
The core displacement experiment found that the retarded acid working fluid has the capacity of opening the oil flow passage, increasing reservoir production and increasing injection.
系统地探讨了复合驱替剂体系反应液中存在的水解聚丙烯酰胺3430S（HPAM）和对硅、铝元素浓度测定的影响。
The effect of surfactant (OP-10) and hydrolyzed polyacrylamide-3430S (HPAM) on concentration measurement of silicon and aluminum have been investigated systematically.
系统地探讨了复合驱替剂体系反应液中存在的水解聚丙烯酰胺3430S（HPAM）和对硅、铝元素浓度测定的影响。
The effect of surfactant (OP-10) and hydrolyzed polyacrylamide-3430S (HPAM) on concentration measurement of silicon and aluminum have been investigated systematically.
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