Test of WAG injection in eastern Beier area of Daqing oil field shows that,WAG injection can evidently improve development result, 85.7%oil wells has seen gas in-jection effect, and the ultimate recovery rate can be improved by more than 8.0%.
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- 通过大庆油田北二区东部的水气交替注入试验表明，可明显地改善开发效果，85.；7%25的油井见到注气效果，最终采收率可提高8
