朱丽旭;吕延防;吴宇;魏长柱;张维君;尚尧;

• 1:东北石油大学地球科学学院

• 2:东北石油大学

• 3:胜利油田有限责任公司河口采油厂

• 4:大庆油田有限责任公司采油工程研究院

摘要(Abstract)：

为研究海塔盆地中部断陷带反转构造的类型、分布、形成机制、与油气藏的关系及成藏模式和控藏特征,分析地震、油气藏开发及地球化学等资料.结果表明:伊敏组晚期,海塔盆地中部断陷带在近东西向压扭应力场作用下发生大规模反转,形成断层型、褶皱型和混合型3类5个亚类反转构造,并与上部含油气系统的大二段次生油气藏具有良好耦合关系.大二段次生油气藏为反转期原生油气藏沿主干反转断裂向上调整形成,以南一中段及下段烃源岩形成的原生油气藏为源,以大二段砂岩为储层,以伊敏组泥岩为盖层,以主反转断层为疏导为成藏模式;该次生油气藏的形成与反转程度密切相关,主要形成于反转程度较弱的塔南凹陷隐伏断展型反转构造发育的区域,北北东向的隐伏断展型反转构造圈闭是寻找该类次生油气藏的首选目标.

关键词(KeyWords)：海塔盆地;中部断陷带;反转构造;类型;次生油气藏;控制作用

Abstract:

Keywords:

基金项目(Foundation):国家油气重大专项(2011ZX05007)

作者(Author):朱丽旭;吕延防;吴宇;魏长柱;张维君;尚尧;

Email:

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