| 大民屯凹陷沙四段层序地层与沉积体系研究 |
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| 引用本文： | 史彦尧,谢庆宾,彭仕宓,蒲秀刚,董良. 大民屯凹陷沙四段层序地层与沉积体系研究[J]. 沉积与特提斯地质, 2008, 28(1): 33-38 |
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| 作者姓名： | 史彦尧 谢庆宾 彭仕宓 蒲秀刚 董良 |
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| 作者单位： | 1.中国石油大学资源与信息学院,北京昌平 102249; 2.中国石油大港油田分公司,天津 300280; 3.中国石油辽河油田分公司,辽宁盘锦 124010 |
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| 基金项目： | 国际科技合作项目 , 国家重点基础研究发展计划(973计划) |
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| 摘 要： | 利用岩性、钻井、地震及露头资料,通过对该地区进行层序地层学分析和研究,根据层序界面的识别原则,把大民屯凹陷古近系划分为1个二级层序,两个三级层序。从单井相入手,结合地震相识别出大民屯凹陷沙四段主要发育扇三角洲-湖泊沉积体系和近岸浊积扇-湖相沉积体系,主要发育扇三角洲和湖泊沉积相,局部发育近岸浊积扇。在沉积体系研究的基础上,利用地震反演预测了有利的储集砂体的发育区。
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| 关 键 词： | 大民屯凹陷 层序地层 体系域 沉积体系 扇三角洲 |
| 文章编号： | 1009-3850(2008)01-0033-06 |
| 修稿时间： | 2007-06-27 |
Sequence stratigraphy and depositional systems in the fourth member of the Shahejie Formation in the Damintun depression |
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| SHI Yan-yao,XIE Qing-bin,PENG Shi-mi,PU Xiu-gang,DONG Liang. Sequence stratigraphy and depositional systems in the fourth member of the Shahejie Formation in the Damintun depression[J]. Sedimentary Geology and Tethyan Geology, 2008, 28(1): 33-38 |
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| Authors: | SHI Yan-yao XIE Qing-bin PENG Shi-mi PU Xiu-gang DONG Liang |
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| Affiliation: | 1.Faculty of Resources and Information,China University of Petroleum,Beijing 102249,China; 2.Dagang Oil Field Branch,PetroChina,Tianjin 300280,China; 3.Liaohe Oil Field Branch,PetroChina,Panjing 124010,Liaoning,China |
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| Abstract: | The Palaeogene strata in the Damintun depression may be divided into one second-order sequence and two third-order sequences on the basis of lithologic,well logs,outcrops and seismic data.In the fourth member of the Shahejie Formation in the Damintun depression,the depositional systems include the fan-delta to lake depositional system and the nearshore turbidite fan to lake depositional system,and the sedimentary facies types consist of the fan-delta facies,lake facies,and locally nearshore turbidite fan facies.The favourable areas for hydrocarbon accumulation are delineated by means of seismic inversion based on the research of depositional systems. |
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| Keywords: | Damintun depression|sequence stratigraphy|systems tract|depositional system|fan delta |
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