通过微观驱油实验结果分析低界面张力体系能够提高驱油效率的机理。
Mechanism of low interfacial tension system increasing oil displacement efficiency is analyzed based on microscopic oil displacement experiments.
表面活性剂能够提高此类储层的微观水驱油效率10%左右。
Surfactants can improve the water displacing oil efficiency by about 10%.
砾岩油藏驱油效率主要受储层微观孔隙结构特征、储层宏观非均质性特征、原油粘度和注水政策的影响。
The Results shows that the oil displacement efficiency is mainly affected by pore structure, macro heterogeneity, oil viscosity and technology policy of water flooding.
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