生物活性复合驱油技术在延长油田的应用

Journal of Yangtze University(Natural Science Edition)(2014)

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Abstract
为了提高延长油田的采收率,对生物活性复合驱油剂进行了性能评价和现场应用分析.研究结果表明,生物活性复合驱油剂为0.5%时的静态脱油效率高,降低油水界面张力的效果显著,同时驱油效率高;生物活性复合驱油剂具有较好的抗盐能力,并且能有效地促使储层岩石润湿性由强亲水向亲水转化,从而有利于提高油田水驱效率.此外,现场使用生物活性复合驱油剂后取得了良好的增产效果.
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