Water-oil volume ratio of edge-bottom water reservoir presents the capacity of natural energy. It's the key to determine reservoir development scheme and strategy.
边底水驱油藏水油体积比表征了天然能量大小，是确定油藏开发方式和开发对策的关键。
Intermittent steam injection can increase the specific volume, swept volume and utilization ratio of heat, and can improve formation of seepage in oil reservoir so as to improve flooding effect.
间歇注汽法可提高蒸汽比容，提高蒸汽波及体积和热利用率，改善油层渗流特征，达到改善驱油效果的目的。
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