埕宁隆起北坡新近系层序地层格架与层序主控因素分析SEQUENCE STRATIGRAPHY OF NEOGENE IN THE NORTHERN SLOPE OF THE CHENGNING UPLIFT
陈蓉,李勇,丘东洲,袁淑琴,刘子藏
摘要(Abstract):
根据构造演化及沉积响应特征,利用钻井取芯、岩屑录井、测井资料以及高分辨率地震资料,将埕宁隆起北坡新近系划分为1个超长期、7个长期旋回层序。通过精确的层序地层划分及井震对比,建立了研究区新近系的等时层序地层格架。在此基础上,对层序发育的主控因素进行了探讨,认为构造沉降、全球海平面变化、气候变化、地形因素及河流类型是埕宁隆起北坡新近系层序形成与发展的主要控制因素。高精度层序地层划分及层序地层格架的建立对埕宁隆起北坡新近系岩性油气藏的勘探开发具有重要指导意义。
关键词(KeyWords): 层序地层格架;主控因素;新近系;埕宁隆起;渤海湾
基金项目(Foundation): 国家自然科学基金(No.40972083)资助
作者(Author): 陈蓉,李勇,丘东洲,袁淑琴,刘子藏
DOI: 10.19839/j.cnki.dcxzz.2010.02.012
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