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首页> 外文期刊>Journal of Petroleum & Environmental Biotechnology >Comparative Study on Oil Recovery Enhancement by WAG Injection Technique in a Fractured Oil Reservoir in the Southwest of Iran
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Comparative Study on Oil Recovery Enhancement by WAG Injection Technique in a Fractured Oil Reservoir in the Southwest of Iran

机译：伊朗西南部一个裂缝性油藏中通过WAG注入技术提高采收率的对比研究

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摘要

Water alternating gas injection (WAG) and simultaneous water and gas injection (SWAG) are injection techniques used to enhance oil recovery. Gas injection is today regarded as the second method for increasing oil recovery. While very little oil remains in the areas swept by gas, the amount of volumetric displacement by injected gas has always drawn much concern. This is due to high mobility ratio of the gas injected to reservoir oil. To solve this problem, WAG and SWAG injection techniques are used to control fluid flow profile. High microscopic displacement efficiency of gas (in whole scale) and high volumetric displacement efficiency of water (in microscopic scale) considerably increases oil recovery in the front space of water. In this paper, we investigate various WAG injection methods using Eclipse and compare the results to determine the best injection scenario for the reservoir under study.
机译：水交替注气（WAG）和同时注水和注气（SWAG）是用于提高采油率的注入技术。如今，注气已被视为提高采油率的第二种方法。尽管很少有油残留在被气体吹扫的区域中，但注入气体的体积排量一直备受关注。这是由于注入到储层油中的气体的迁移率很高。为了解决该问题，使用WAG和SWAG注入技术来控制流体的流量曲线。气体的微观驱替效率（整体）和水的体积驱替效率（微观）都大大提高了水的前部空间的采油率。在本文中，我们研究了使用Eclipse的各种WAG注入方法，并比较了结果，以确定正在研究的储层的最佳注入方案​​。

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