宋璠;苏妮娜;李慧;洪伟俊;路允乾;刘佳星;刘学嘉;

• 1:中国石油大学(华东)地球科学与技术学院

摘要(Abstract)：

大张坨断裂带是黄骅坳陷板桥凹陷最大的Ⅱ级断裂系统,对凹陷油气分布与富集具有重要影响.为了揭示大张坨断裂带与新生代油气成藏的关系,利用油区构造解析理论对断裂带的活动性、断裂构造样式及演化特征进行研究,综合断裂输导体系与断层两盘(上升盘、下降盘)的油气分布状况,建立板桥凹陷大张坨断裂带油气的断控成藏模式.结果表明:大张坨断层具有垂向分期、平面分段的活动特征,断层两盘派生大量次级断层,在断裂带内可识别阶梯型、"y"型、"y"型复合、多米诺式、对倾伸展型等5种构造样式,断裂活动贯穿于整个第三纪沉积史,构造演化具有明显的继承性.不同的断裂构造样式决定断层两盘油气运聚规律具有明显差异,形成不同成因类型与不同储量丰度的油气聚集单元.

关键词(KeyWords)：板桥凹陷;大张坨断层;断裂活动;构造样式;构造演化;油气成藏

Abstract:

Keywords:

基金项目(Foundation):国家科技重大专项(2011ZX05009-002);; 教育部博士点基金项目(20120133120013)

作者(Author):宋璠;苏妮娜;李慧;洪伟俊;路允乾;刘佳星;刘学嘉;

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