单六东深层超稠油油藏蒸汽驱先导试验
PETROLEUM GEOLOGY AND ENGINEERING（2007）
Abstract
"十五"以来,胜利滨南采油厂成功实现了原油粘度5×104～10×104 mPa·s深层疏松砂岩敏感性超稠油油藏的工业化开采,形成35×104 t年产能力.为探索超稠油油藏蒸汽吞吐开采后运用蒸汽驱提高原油采收率的可行性,在对超稠油不同汽驱方式数值模拟的基础上,优选出了开采方案,并开展了超稠油油藏蒸汽驱先导试验.2个井组的矿场先导试验表明,蒸汽驱有利于提高超稠油油藏采注比、蒸汽波及系数和驱油效率,有利于提高超稠油阶段采出程度,提高蒸汽热利用率,改善开发效果.
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