下二门油田非均质大孔道油藏聚合物驱油矿场试验
Petroleum Exploration and Development（2001）
Abstract
前言
下二门油田H2Ⅱ油组具有构造复杂、多断层分割、储集层岩性胶结疏松、特大孔道发育、非均质性强及地下原油黏度高、水油流度比大的特点.注水开发后,油井见水早,含水上升快,水淹严重,59%的油井含水大于90%,采出程度仅为24%,水驱开发效果差.如何改善水驱开发效果,成为油田开发关注的热点问题.
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Key words
polymer flooding pilot test,xiaermen oil field,heterogeneous reservoir
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