郭瑞;张新涛;徐春强;杨传超;张震;

• 1:中海石油(中国)有限公司天津分公司

摘要(Abstract)：

为了揭示渤中凹陷西洼中央构造带新近系油气差异富集规律,分析古隆起的发育特征、断层活动性、断—砂耦合接触关系及断层侧封条件,明确新近系油气差异富集的主控因素。结果表明:古隆起发育控制油气的宏观分布,其汇烃效率的强弱决定油气平面富集程度。断层活动性控制油气富集层位,主成藏期油源断层断距大于150m,断层活动速率大于10m/Ma,断层生长指数呈渐衰转盛型与直线上升型,油气主要富集于明下段;反之,油气主要富集于馆陶组,断砂耦合接触关系控制明下段油气的富集,复合型接触关系的砂体运移效率最高。馆陶组的油气富集主要受控于断层的侧封条件,当断层泥比率大于0.3时,断层侧向封堵性较好。建立的"断隆联控、差异富集"油气差异成藏模式,可有效指导渤中凹陷西洼的油气勘探部署。

关键词(KeyWords)：渤中凹陷西洼;新近系;油气成藏;古隆起;断层活动性;断—砂耦合;断层侧封性

Abstract:

Keywords:

基金项目(Foundation):国家科技重大专项(2011ZX05023-006)

作者(Author):郭瑞;张新涛;徐春强;杨传超;张震;

Email:

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