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综述了改性淀粉油田化学品近期的研究和应用情况.改性淀粉可作钻井液处理剂 ,原油破乳剂 ,水泥浆添加剂和堵水调剖剂等.“,”An overview on recent studies and applications of modified starch in oil field is made.Modified starch can be used as drilling fluid additive,oil demulsifier,cement slurry additive and water-plugging/profile-modifying agent and so on.