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.
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.
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.
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