孔南地区孔店组层序地层格架研究

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英文篇名：The Study about the Sequence Stratigraphic Sracture of Kongdian Formation in Kongnan Area 中文刊名：内蒙古石油化工 英文刊名：Inner Mongolia Petrochemical Industry 作者：孙玉花 ; 纪友亮 ; 朱桂娟 英文作者：SUN Yu-hua1 ; JI You-liang1 ; 2 ; ZHU Gui-juan3(1.School of ocean and earth science ; Tongji University ; Shanghai ; 200092 ; 2.College of Geo-resources and information ; China University of Petroleum(Beijing) ; Beijing ; 102249 ; 3.Petrochina Dagang Oilfield company ; Tianjin dagang ; 300270) 中文关键词：孔南地区 ; 层序地层格架 ; 体系域 ; 层序界面 英文关键词：Kongnan area ; sequence stratigraphic framework ; system tract ; sequence boundary 出版日期：2008-03-15 机构：同济大学海洋与地球科学学院,同济大学海洋与地球科学学院,中国石油大港油田油田评价部 上海200092,上海200092,中国石油大学(北京)资源与信息学院,北京102249,天津大港300270 年：2008 期：05 出版单位：内蒙古石油化工

摘要

依据陆相层序地层在地震剖面、电测曲线和岩石组合类型等方面的特征,将孔南地区孔店组地层划分出了2个二级层序、4个三级层序,其中各层序又可划分为3个体系域。并结合研究区构造特点,总结了本区不同层序界面的类型,其中区域性的角度不整合为二级层序边界,局部构造不整合和沉积-构造不整合则为三级层序边界。根据层序和沉积特点,初步分析了不同层序各体系域储层特点,并预测了不同层序体系域的油气圈闭类型。
Based on the characters of terrestrial sequence stratigraphy showed from seismic section,electric logging curves and types of rock association,the Kongdian Formation in the downthrow block of Kongdong Fault of Kongnan area can be divided into two second-order sequences and four third-order sequences,and three system tracts can be identified in each sequence.Combined with the structure characters,the types of different sequence boundaries are summed up.It concludes that the territorial angle unconformity is second-order sequence boundary and the local structural unconformity and sedimentary-structural unconformity are third-order sequence boundary.On the basis of the characters of sequence and sedimentary,the reservoir distribution characters of each system tract of different sequences are analyzed preliminarily,and also the oil and gas reservoir types are predicted accordingly.

引文

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