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油层条件影响三元复合驱效果

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摘要 为探索非均质较强的二类油层强碱三元复合驱的可行性,2007年在喇北东块开展现场试验,历经7年,阶段提高采收率达20个百分点以上,中心井区含水降幅在25.4个百分点,取得了较好的开发效果,但井组间见效差异较大。本文以井组油层发育状况为基础,通过对不同发育状况井组的聚类分析,明确油层发育状况对开发效果的影响,并按油层厚度、渗透率极差、含油饱和度等相关因素,评价各因素对井组见效的影响程度。
作者 崔明玥
出处 《内蒙古石油化工》 CAS 2015年第9期81-82,共2页 Inner Mongolia Petrochemical Industry
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