排油
It is confirmed by laboratory test and field test that both of them have good effect on unplugging in oil well, decreasing pressure and increasing injection rate in water well, profile control at well group, reservoir sweep, and so on.
室内实验和矿场应用结果表明,在油井解堵、水井降压增注及井组调剖驱油等方面都见到良好效果。
A model for the calculation of the sweep efficiency in a heterogeneous oil reservoir
驱油效率和体积波及系数的确定非均质油层波及系数计算模型
Thermal method can enhance displacement efficiency for high water-cut oil reservoir, but can not increase sweep efficiency in most of the cases;
热力法开采高含水油藏能提高驱油效率,但一般不能提高波及效率;
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