南堡凹陷南部东营组高分辨率层序地层学分析HIGH RESOLUTION SEQUENCE STRATIGRAPHY OF DONGYING FORMATION IN SOUTHERN NANPU SAG
管红,孙明亮,董月霞,王旭东
摘要(Abstract)：
南堡凹陷在古近纪是一个"北断南超"的断陷构造,东营组主要发育(扇)三角洲—湖泊相沉积体系,对于其南部地区的地层等时格架研究尚未深入。依据高分辨率层序地层学原理,综合岩芯、录井、测井以及地震资料,识别出南堡凹陷东营组内的4个基准面旋回,将南堡凹陷东营组划分为1个长期旋回、4个中期旋回及多个短期旋回,并对各界面和层序的测井响应、地震反射特征、短期旋回叠加样式及沉积相特征进行了分析,初步建立了南堡凹陷南部的等时地层格架。
关键词(KeyWords)： 高分辨率层序地层学;基准面旋回;等时地层格架;东营组;古近系;南堡凹陷
基金项目(Foundation):
作者(Author): 管红,孙明亮,董月霞,王旭东
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