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地质科学  2013, Vol. 48 Issue (4): 1234-1245    DOI: 10.3969/j.issn.0563-5020.2013.04.019
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浅水湖盆三角洲储层构型模式探讨
封从军1, 赵逸2, 贾鹏3, 颜佩丽3
1. 大陆动力学国家重点实验室, 西北大学地质学系 西安 710069;
2. 延长石油(集团)研究院 延安分院 陕西延安 716000;
3. 中国石油长庆油田西安长庆科技工程有限责任公司 西安 710018
Reservoir architecture model of shallow lacustrine delta
Feng Congjun1, Zhao Yi2, Jia Peng3, Yan Peili3
1. State Key Laboratory of Continental Dynamics, Department of Geology, Northwest University, Xi'an 710069;
2. Yan'an Research Institution Branch, Shanxi Yanchang Petroleum(Group)Co. Ltd., Yan'an, Shaanxi 716000;
3. Xi'an Changqing Technology & Engineering Co. Ltd., CNPC, Xi'an 710018
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摘要 针对浅水湖盆三角洲储层构型模式研究的不足,在考察鄱阳湖现代浅水湖盆三角洲沉积和解剖扶余油田扶余油层古代浅水湖盆三角洲储层构型的基础上,综合应用卫星照片、岩心、测井等资料,建立了浅水湖盆三角洲平原分流河道和三角洲前缘水下分流河道的沉积构型模式。研究结果表明:浅水湖盆三角洲主要发育三角洲平原上部曲流型分流河道、三角洲平原下部顺直型分流河道和三角洲前缘顺直型水下分流河道3种砂体类型,曲流型分流河道主要为侧积的点砂坝沉积构型模式,顺直型分流河道主要为垂积的心滩坝沉积构型模式,顺直型水下分流河道主要为垂积的分流砂坝沉积构型模式。同时从沉积亚相、砂体几何形态、夹层倾向及倾角、废弃河道、决口扇、粒度分析等几个方面总结了不同类型的分流河道及水下分流河道砂体的判别标志,为浅水湖盆三角洲储层内部构型及地质建模研究工作奠定了基础。
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关键词分流河道   储层构型   点坝   心滩   分流砂坝     
Abstract: According to the difference of the reservoir architecture model of shallow lacustrine delta,this paper comprehensively applies the core,logging data,satellite photo etc.to establish the reservoir architecture model of delta plain distributary channel and delta front underwater distributary channel based on the investigation of present meandering river shallow lacustrine delta sediment of Poyang Lake and the study of paleo reservoir architecture model of meandering river shallow lacustrine delta of Fuyu reservoir of Fuyu oil field.The results show that: Meandering river shallow lacustrine delta include meandering distributary channel(main reservoir architecture is lateral accretion bodies of point bar),braided distributary channel(main reservoir architecture is vertical accretion of channel sand),straight underwater distributary channel(main reservoir architecture is vertical accretion of distributary sand bars).This paper concludes the distinguishing marks of the different types of distributary channel and underwater distributary channel sand bars according to the sub-facies,sand body geometry,tendency and dip of interlayer,abandoned channel,crevasse splay,granularity analysis,laying the foundation of studying the reservoir architecture and geological modeling.
Key wordsDistributary channel   Reservoir architecture   Point bar   Channel sand   Distributary sand bar   
收稿日期: 2013-05-10;
基金资助:

西北大学科研启动基金项目(编号:PR12101)和西北大学科学研究基金项目(编号:12NW36)资助

作者简介: 封从军,男,1981年12月生,博士,讲师,沉积学专业。E-mail:fengcj@nwu.edu.cn
引用本文:   
. 2013, 浅水湖盆三角洲储层构型模式探讨. 地质科学, 48(4): 1234-1245.
. Reservoir architecture model of shallow lacustrine delta[J]. Chinese Journal of Geology, 2013, 48(4): 1234-1245.
 
没有本文参考文献
[1] 石金华,韩登林,于炳松,李仕远,王宝,陈景华. 乌南油田滨浅湖砂体储层构型及其油气意义[J]. 地质科学, 2016, 51(4): 1310-1323.
 
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