采出水中聚合物含量测定方法改进

Petroleum Geology & Oilfield Development in Daqing(2016)

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Abstract
针对阿曼马穆尔油田单井采出水聚合物含量测定值严重偏高问题,系统审查了该油田采出水聚合物含量测试程序.研究认为采出水聚合物含量测定值偏高是由于单井采出水中油珠稳定性强且去除困难,严重干扰了测试结果.为此,对马穆尔油田采用的采出水中聚合物含量测试方法中的水样预处理程序进行改进.结果表明:筛选出可促进正己烷萃取剂对水样中油滴捕获作用的反相破乳剂M24,通过在正己烷萃取除油过程中加入50~100 mg/L反相破乳剂M24,并增加了萃取后水样的滤纸过滤除油步骤,消除了残余油珠对聚合物驱油井采出水聚合物含量测试的干扰.
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Key words
polymer flooding,produced water,PAM,determination
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