渤中29-6构造东营组古生物特征及沉积环境分析  

Paleontological Characteristics and Sedimentary Environment Analysis of Dongying Formationin Bozhong 29-6 Structure

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作  者:曹洁 姚雅琴 杨娇娇 赵都菁 魏文艳 CAO Jie;YAO Ya-qin;YANG Jiao-jiao;ZHAO Du-jing;WEI Wen-yan(CNOOC Energy Development Co.,Ltd.Engineering Technology Branch CNOOC Experimental Center,Tianjin 300450,China)

机构地区:[1]中海油能源发展股份有限公司工程技术分公司中海油实验中心,天津300450

出  处:《价值工程》2025年第9期128-130,共3页Value Engineering

摘  要:渤中29-6构造东营组是渤海湾盆地重点评价区域,地层层序划分与沉积环境分析对后期勘探部署意义重大。综合分析M井东营组介形类、孢粉、藻类等古生物实验资料,自下而上划分为东营组二段下亚段-东营组三段、东营组一段-东营组二段上亚段。依据研究区储层特征、孢粉藻类化石生态分布、主要介形指相化石与环境关系,开展沉积环境分析,认为东营组具备良好的勘探前景,对后续勘探部署提供技术支撑。The Dongying Formation of Bozhong 29-6 structure is a key evaluation area in the Bohai Bay Basin,and the stratigraphic sequence division and sedimentary environment analysis are of great significance for later exploration deployment.Based on the comprehensive analysis of paleontological experimental data such as ostracods,spores,and algae in the Dongying Formation of Well M,it is divided from bottom to top into the lower sub section of Dongying Formation 2 to Dongying Formation 3,and the upper sub section of Dongying Formation 1 to Dongying Formation 2.Based on the characteristics of the reservoir in the research area,the ecological distribution of spore pollen algae fossils,and the relationship between the main lithofacies fossils and the environment,sedimentary environment analysis was carried out.It is believed that the Dongying Formation has good exploration prospects and provides technical support for subsequent exploration deployment.

关 键 词:渤海湾 沉积环境 东营组 介形 成岩作用 

分 类 号:P618.13[天文地球—矿床学]

 

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