|本期目录/Table of Contents|

[1]张喜林.东海盆地西湖凹陷中—下始新统宝石组沉积特征[J].地球科学与环境学报,2014,36(03):31-37.
　ZHANG Xi-lin.Sedimentary Characteristics of Baoshi Formation of Lower-Middle Eocene in Xihu Sag of East China Sea Basin[J].Journal of Earth Sciences and Environment,2014,36(03):31-37.
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东海盆地西湖凹陷中—下始新统宝石组沉积特征(PDF)
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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:
第36卷
期数:
2014年第03期
页码:
31-37
栏目:
基础地质与矿产地质
出版日期:
2014-09-15

文章信息/Info

Title:
Sedimentary Characteristics of Baoshi Formation of Lower-Middle Eocene in Xihu Sag of East China Sea Basin
文章编号:
1672-6561(2014)03-0031-07
作者:
张喜林
中海油研究总院,北京 100027
Author(s):
ZHANG Xi-lin
CNOOC Research Institute, Beijing 100027, China
关键词:
沉积相; 地震相; 泥质岩; 始新统; 宝石组; 西湖凹陷; 东海盆地
Keywords:
sedimentary facies;  seismic facies;  pelite;  Eocene;  Baoshi Formation;  Xihu Sag;  East China Sea Basin
分类号:
P618.13;TE121.3+4
DOI:
-
文献标志码:
A
摘要:
西湖凹陷位于东海盆地东部，是中国海上重要的油气生产区之一。2001年钻探的Y1井，在西湖凹陷主力油气层之下钻遇了一套厚360m、以泥质岩为主的中—下始新统地层，命名为宝石组。宝石组沉积于西湖凹陷断陷初期。根据岩芯、测井、录井、古生物等资料,分析Y1井宝石组沉积背景，并通过地震相及井-震结合分析，确定西湖凹陷宝石组的平面沉积展布。结果表明：西湖凹陷宝石组为近海湖泊沉积背景，发育河流、三角洲、滨浅湖、半深湖、扇三角洲等沉积相类型；河流相发育于西斜坡北部，表现为低连续变振幅亚平行席状地震相；三角洲相发育于西斜坡及其与中央深洼带的过渡带，现为楔状或充填状的前积地震相；扇三角洲相发育于凹陷东部断坡带，表现为杂乱楔状地震相；滨浅湖相发育于凹陷大部分地区，主要为中—好连续中振幅平行—亚平行席状地震相；半深湖相发育于中央深洼带部分地区，地震剖面上为连续性较好、振幅较强的席状反射。通过地震剖面的构造沉积充填分析，西湖凹陷宝石组发育水下高地型和半地堑型两种沉积充填样式。
Abstract:
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参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2013-10-28
基金项目:国家科技重大专项项目(2011ZX05023-001)
作者简介:张喜林(1972-),男,河南济源人,高级工程师,理学博士,E-mail:zhangxl4@cnooc.com.cn。
更新日期/Last Update: 2014-09-30