Characteristics of slope break in depression stage of Songliao Basin

doi:10.7623/syxb200704006

Editorial office of ACTA PETROLEI SINICA ›› 2007, Vol. 28 ›› Issue (4): 31-35.DOI: 10.7623/syxb200704006

• Petroleum Exploration • Previous Articles Next Articles

Characteristics of slope break in depression stage of Songliao Basin

Huang Wei^1,2, Wang Jiangong^1,3,4, Zhao Yingcheng³, Wang Tianqi³, Gong Gu³

1. China University of Geosciences, Beijing 100083, China;
2. Exploration and Development Research Institute, Petro China Daqing Oilfield Company, Ltd., Daqing 163712, China;
3. Research Institute of Petroleum Exploration and Development-Northwest, Petro China, Lanzhou 730020, China;
4. Lanzhou Geology Institute, Chinese Academy of Sciences, Lanzhou 730000, China

Received:2006-06-06 Revised:2007-03-06 Online:2007-07-25 Published:2010-05-21

松辽盆地拗陷期坡折带特征

黄薇^1,2, 王建功^1,3,4, 赵应成³, 王天琦³, 巩固³

1. 中国地质大学北京100083;
2. 大庆油田勘探开发研究院黑龙江大庆163712
3. 中国石油勘探开发研究院西北分院甘肃兰州730020;
4. 中国科学院兰州地质研究所甘肃兰州730000

作者简介:黄薇,女,1964年4月生,1988年获大庆石油学院硕士学位,现为大庆油田勘探开发研究院副总地质师,中国地质大学(北京)在读博士研究生,主要从事沉积学、层序地层学、油气勘探研究工作.E-mail:Weihuang@petrochina.com.cn
基金资助:
中国石油天然气股份有限公司科技项目(ktqq-2004-002)资助

Abstract

Abstract: The characteristics of flexure slope break and the controlling effects of flexure slope break on the structures of high-resolution sequence strata,distribution of depositional facies belt and the distribution styles of sandstone and lithology reservoir were discussed.A set of methods for defining flexure slope break were proposed.The flexure slope break was generated in depression stage of basin evolution and formed by the differential subsidence and non-equilibrium regulation of earth motion.The flexure slope break had the excellent corresponding relationship with the abrupt change belts of Moho-discontinuity and geothermal gradient and was controlled by fracture slope break in rift subsidence stage.

Key words: Songliao Basin, depression stage, slope break, sequence structure, tectonic movement

摘要： 论述了松辽盆地拗陷期坡折带即挠曲坡折带的特征以及挠曲坡折带对高频层序结构、沉积相带分布、砂岩类型和岩性油气藏类型分布的控制作用,总结了确定挠曲坡折带的方法。挠曲坡折带形成于盆地演化的拗陷发育阶段,由地壳运动的差异沉降和不均衡调整控制形成。挠曲坡折带与地壳深部莫霍面陡变带、地温梯度变化带和深大断裂带有良好的对应关系,并受控于盆地断陷阶段断裂坡折带的发育和分布。

关键词: 松辽盆地, 拗陷期, 坡折带, 层序结构, 构造运动

CLC Number:

TE1112

Huang Wei, Wang Jiangong, Zhao Yingcheng, Wang Tianqi, Gong Gu. Characteristics of slope break in depression stage of Songliao Basin[J]. Editorial office of ACTA PETROLEI SINICA, 2007, 28(4): 31-35.

黄薇, 王建功, 赵应成, 王天琦, 巩固. 松辽盆地拗陷期坡折带特征[J]. 石油学报, 2007, 28(4): 31-35.

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Characteristics of slope break in depression stage of Songliao Basin

松辽盆地拗陷期坡折带特征

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