The results indicated that polymer enhanced by foam has the distinct advantage to solve the problem of channeling owing to big pore path during pure polymer flooding process.
研究结果表明，泡沫增强聚合物本体系对解决单一注聚合物过程中聚合物溶液沿大通道窜流问题具有明显优势。
It is especially suitable for plugging high permeable, macro pore path formations and convenient for field operation with a small amount of volume and a low cost, obtaining a good effect.
尤其适应于封堵高渗透、大孔道地层， 且现场施工简便、施工用量少、成本低， 取得了很好的应用效果。
The squeezed out water is kept moving for the same time and even longer, and the path of its migration may cover hundreds of kilometers, always within the narrow pore space and at a very low speed.
被压力挤压出的水将会同时流动或流动时期会更长，水运移的路程可以达几百公里，运移的通道则限于窄窄的孔隙空间。 而且运移的速度也非常之慢。
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