These regions may be shale lense or artificially introduced in an EOR like process, such as polymer flooding.
这些区域可能是天然的页岩透镜体，也可能是在EOR方法中注入聚合物人为所致。
The recent progresses in polymer and related chemical flooding for EOR in China and abroad are reviewed and discussed.
对国内外聚合物驱及相关化学驱提高采收率技术的近期进展作了综述和讨论。
This paper introduced function mechanism of polymer in EOR, water-soluble polymer in EOR and research progress of new type water-soluble polymer.
本文介绍了聚合驱的驱油机理、三次采油中常用的水溶性聚合物以及新型水溶性聚合物研究进展。
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