刘性全;侯吉瑞;付博;

• 1:中国石油大学(北京)石油工程学院

• 2:大庆油田有限责任公司第八采油厂

• 3:中国石油大学(北京)提高采收率研究院

• 4:大庆油田有限责任公司第一采油厂

摘要(Abstract)：

为研究南堡凹陷中浅层东营组油气分布规律,根据油气输导断裂与盖层时空匹配与油气分布之间的关系,分析油气聚集与分布的控制作用.结果表明:南堡凹陷中浅层断—盖空间匹配关系对油气分布层位的控制作用表现:(1)如果东营组二段泥岩盖层有效厚度大于90～95m,无论馆陶组三段火山岩盖层有效厚度多大,则油气主要分布在东三、四段(简称东二段、馆三段);(2)如果东二段火山岩盖层有效厚度小于90～95m,馆三段火山岩盖层有效厚度大于130～150m,则油气除分布在东三、四段外,还可以分布在东一段和馆四段;(3)如果东三段泥岩盖层有效厚度小于90～95m,馆三段火山岩盖层有效厚度小于130～150m,明下段泥岩盖层有效厚度大于90～95m时,则油气从下至上均有分布.3套区域性盖层封闭能力形成时期早于断裂输导油气的大量时期,可有效封住断裂输导运移来的油气,这是导致3套区域性盖层之下油气相对富集的重要原因.

关键词(KeyWords)：油源断裂;区域性盖层;断—盖空间匹配;断—盖时间匹配;分布层位;南堡凹陷

Abstract:

Keywords:

基金项目(Foundation):国家大型油气田及煤层气开发科技重大专项(2011ZX05007-002)

作者(Author):刘性全;侯吉瑞;付博;

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