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长岩心注气体驱油模拟实验研究 被引量:1

On Simulation Experiment of Long-Core Gas Injection-Aided Oil Displacement
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摘要 根据某油田油藏特征和开发现状,将常规短岩心按一定的排列方式拼成长岩心,利用驱替实验装置对长岩心进行了四种不同驱替方式的物理模拟实验。结果表明:水驱后转CO_2-水交替驱开发效果最好,比水驱提高采收率12.17%;其次是转CO_2驱,比水驱提高采收率8.64%。水驱后转空气驱和空气-水交替驱开发效果相对较差。 The displacement experiment unit is employed to carry out four different displacement modes of physical simulation experiment on the long core put together by common short cores in a certain arrangement mode. The result shows that CO_2--water alternating flooding effect after water flooding is the best with oil recovery enhanced by 12. 17% and followed by CO_2 flooding with oil recovery enhanced by 8. 64%. Air injection displacement or air--water alternating flooding is relatively poor in development effect.
出处 《江汉石油职工大学学报》 2016年第4期11-13,共3页 Journal of Jianghan Petroleum University of Staff and Workers
关键词 长岩心 气体 模拟实验 Long Core Gas Simulation Experiment
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