Based on the analysis of limitation to polymer flooding in EOR area, the system of polymer enhanced by foam was put forward, in which foam can be formed in-situ.

• 本文在分析了聚合物驱提高采收率技术在实际应用中的局限基础上，提出了采用就地起泡形成泡沫的泡沫增强聚合物体系。