蒸汽吞吐油藏主要开发指标评价新探

New appraisal on major indexes of heavy oil production in stream soak reservoir

针对蒸汽吞吐稠油开发指标如何评价,目前还没有象稀油注水那样一套完整可行的评价方法。在对各项热采指标之间的联系、以及热采稠油注采关系曲线的研究的基础上,推导出油汽比、回采水率、采注比等开发指标随采出程度的变化规律,并建立了相应的指标评价体系,对热采稠油主要开发指标评价具有一定借鉴作用。

Different from water injection in thin oil production, there is no complete and applicable way on how to evaluate indexes of heavy oil in stream soak reservoir up to now. In view of correlation of thermal indexes and on the basis of production - injection history, the regularity between the recovery percent and production indexes including oil - gas rate, back water production rate and injection - withdrawal ratio is deduced. Then corresponding appraisal system is established and the results achieved can be used to guide thermal heavy oil production.