伊通盆地二号断层与西拉木伦河断裂带及油气的关系

伊通盆地二号断层与西拉木伦河断裂带及油气的关系

江涛¹，邱玉超¹，王立武²，宋立忠¹，苗洪波³，丁冶¹

1.吉林油田公司勘探开发研究院，吉林松原 138000;2.吉林油田公司勘探部，吉林松原 138000;3.中国地质大学资源学院，武汉 430074

收稿日期:2007-08-05 修回日期:1900-01-01 出版日期:2008-05-26 发布日期:2008-05-26
通讯作者: 江涛

Relationship Between No.2 Fault in Yitong Basin and Xilamulun River Fault and Its Significances for Petroleum

JIANG Tao¹, QIU Yu-chao¹, WANG Li-wu², SONG Li-zhong¹, MIAO Hong-bo³, DING Ye¹

1.Exploration and Development Research Institute, Jilin Oilfield Company, Songyuan,Jilin 138000, China;2.Exploration Department, Jilin Oilfield Company, Songyuan,Jilin 138000, China;3.Faculty of Earth Resources，China University of Geosciences, Wuhan 430074, China

Received:2007-08-05 Revised:1900-01-01 Online:2008-05-26 Published:2008-05-26
Contact: JIANG Tao

摘要/Abstract

摘要： 利用重力、航磁、电法和地震资料，结合区域构造地质特征，对伊通盆地二号断层研究认为:二号断层是西拉木伦河断裂带向吉林省东部延伸的一部分。佳木斯-伊通地堑的左旋活动将西拉木伦河断裂带错断，在地堑内保留的西拉木伦河断裂带的一部分作为伊通盆地的基底断层。该断层继承性活动，断层两侧地层发生差异性沉降，逐渐演化为现今的二号断层。作为伊通盆地内一条最重要的同沉积断层，二号断层控制其上下盘地层的沉积和油气成藏。二号断层与其上盘构成陡坡断裂坡折带，控制上盘的沉积物分布；同时断穿基底，沟通下部双阳组和奢岭组的油气源。二号断层早期开启有利于运移油气，晚期盆地反转时封闭，对梁家构造带的油气藏保存起积极作用。

关键词: 郯庐断裂带, 西拉木伦河断裂带, 伊通盆地, 二号断层

Abstract: According to regional structural geological characteristics and aeromagnetic, gravity， CEMP and seismic data, the No.2 fault in Yitong graben was part of Xilamulun River fault extending eastwards in Jilin Province. The left-strike faulting of Jiamusi-Yitong graben causes the activities of Xilamulun River fault to form No.2 fault. As the differential subsidence of its hanging wall and footwall, the present configuration of No.2 fault evolves. As an important synsedimentary fault in Yitong graben, No.2 fault controls the hanging wall and footwall deposition and petroleum accumulation. No.2 fault and hanging wall formed a steep fractured slope-break belt, which controls sedimentary distribution of the hanging wall. Incising to basement, No.2 fault connects petroleum source rock of both Shuangyang and Sheling Formation. The formerly opening of No.2 fault is favorable for petroleum migration, and later sealed when the basin reversed. The No.2 fault plays an important role in the process of petroleum accumulation at Liangjia structural area.

Key words: Tancheng-Lujiang fault zone, Xilamulun River fault zone, Yitong graben, No.2 fault

中图分类号:

P542

江涛，邱玉超，王立武，宋立忠，苗洪波，丁冶. 伊通盆地二号断层与西拉木伦河断裂带及油气的关系[J]. J4, 2008, 38(3): 411-0416.

JIANG Tao, QIU Yu-chao, WANG Li-wu, SONG Li-zhong, MIAO Hong-bo, DING Ye. Relationship Between No.2 Fault in Yitong Basin and Xilamulun River Fault and Its Significances for Petroleum[J]. J4, 2008, 38(3): 411-0416.

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