The development effectiveness of water flooding for the heavy oil reservoir with edge water is poor because of the high oil viscosity, high mobility ratio and the invasion of edge water.

注水开发多年的具边水的普通稠油油藏的原油粘度高、流度比大，加之油藏非均质及边水入侵的影响，其注水开发效果较差。

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Foam profile controlling system can improve the mobility ratio, adjust the water injection profile and improve the efficiency of oil washing in porous media, but the system has poor stability.

泡沫调剖体系在多孔介质中能够有效改善流度比，调整吸水剖面，提高洗油效率，但是体系稳定性较差。

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