Both the shop experiment and field test showed that the wettability alteration agents have the ability to reduce the injection pressure and enhance oil recovery.
室内实验和矿场试验都说明，润湿性反转剂具有降压增注和提高原油采收率的效果。
Major factors leading to oil flow away are high pressure injection and unbalance of injection and production.
导致原油外流的主要因素是高压注水和注采不平衡引起的。
The result shows that cyclic water injection may be more effective if increasing oil-water percolation rate, standup pressure time and water holdup coefficient.
周期注水技术主要是通过油水交渗效应、毛管压力作用，增加注水波及体积，从而提高水驱采收率的技术。
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