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现代地质 ›› 2010, Vol. 24 ›› Issue (4): 735-743.

• 构造地质 • 上一篇    下一篇

东濮凹陷伸展连锁断层系统及其演化作用

程秀申1,2,陈发景1,漆家福3,邓君2   

  1. 1.中国地质大学 能源学院,北京100083;2.中国石化 中原油田分公司勘探开发科学研究院,河南 濮阳457001;
    3.中国石油大学 地球科学学院,北京102249
  • 出版日期:2010-07-23 发布日期:2010-09-05
  • 作者简介:程秀申,男,教授级高级工程师,博士研究生,1966年出生,矿产普查与勘探专业,主要从事含油气盆地分析、油气勘探和综合研究工作。Email:cxs@zydzy.com。
  • 基金资助:

    中国石油化工股份有限公司科研项目“东濮凹陷构造演化与油气聚集规律研究”(P02019)。

Evolutional Impacts of Extensional Linkage Fault System in Dongpu Sag

 CHENG  Xiu-Shen1,2, CHEN  Fa-Jing1, QI  Jia-Fu3, DENG  Jun2   

  1. 1.School of Energy Resources, China University of Geosciences, Beijing100083,China;
    2.Exploration and Development Research Institute, Zhongyuan Oilfield, SINOPEC, Puyang, Henan457001,China;
    3.College of Geosciences, China University of Petroleum, Beijing102249,China
  • Online:2010-07-23 Published:2010-09-05

摘要:

东濮凹陷NNE向的主干基底断层向深部延伸与深层的拆离滑脱断层衔接在一起,与诱导出的调节断层以不同的方式连接,构成东濮凹陷的伸展连锁断层系统。东濮凹陷不同区段的连锁断层形态表现出不同的几何学和运动学特征。北区兰聊主断层面表现为相对较缓的平面式形态,伸展连锁断层系统总体上为多米诺式半地堑系。中区伸展连锁断层系统总体上表现为大型铲式正断层上盘的一个不对称的地堑。南区兰聊主断层面表现为坡坪式形态,断陷结构相对复杂。东濮凹陷伸展连锁断层系统的演化大体分为4期,不同区带伸展连锁断层系统演化模式不同,对古近系沉积和石油地质条件有较大的影响。

关键词: 伸展连锁断层系统, 兰聊断层, 主干基底断层, 演化, 东濮凹陷

Abstract:

Dongpu sag NNE main basement fault extending with increasing depth intersects the deeper decoupling detachment fault and connects to the induced transfer faults in various manners,constituting the extensional linkage fault system in Dongpu sag.Linkage fault system in different sections of Dongpu sag is characterized by diverse geometrical and kinematical features. Northern Lanliao main fault plane develops a comparatively modest formation while the extensional linkage fault system is primarily composed of domino-style halfgrabens. Central extensional linkage fault system commonly exhibits an asymmetrical graben located in the hanging-wall of large listric normal fault. Southern Lanliao fault plane shows a rampflat shape, a relatively complex rift structure. The evolution of extensional linkage fault system in Dongpu sag can be roughly divided into four periods and evolutional styles, which exert significant impacts on Paleogene sedimentary and petroleum geological conditions.

Key words:  extensional linkage fault system, Lanliao fault, main basement fault, evolution; Dongpu sag

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