准噶尔盆地侏罗系沉积体系纲要

英文篇名：Depositional System Frameworks of the Jurassic in Junggar Basin
中文刊名：沉积学报
英文刊名：Acta Sedimentologica Sinica
作者：鲍志东 ; 刘凌 ; 张冬玲 ; 李儒峰 ; 管守锐 ; 康永尚 ; 王英名 ; 齐雪峰 ; 赵秀岐
英文作者：BAO Zhi-dong~1LIU Ling~1ZHANG Dong-ling~1LI Ru-feng~1GUAN Shou-rui~1 KANG Yong-shang~1WANG Ying-min~1QI Xue-feng~2ZHAO Xiu-qi~3 1(China University of Petroleum ; Beijing 102249) 2(Xinjiang Oilfield Company ; CNPC ; Kalamay Xinjiang834000) 3(East Geophysic Company ; CNPC ; Zhuozhou Hebei072751)
中文关键词：准噶尔盆地 ; 侏罗系 ; 沉积体系
英文关键词：Juggar Basin ; Jurassic series ; depositional system
出版日期：2005-06-30
机构：中国石油大学,中国石油大学,中国石油大学,中国石油大学,中国石油大学,中国石油大学,中国石油大学,中国石油股份公司新疆分公司,中国石油股份公司东方物探公司北京102249 ,北京102249 ,北京102249 ,北京102249 ,北京102249 ,北京102249 ,北京102249 ,新疆克拉玛依834000 ,河北涿州072751
年：2005
期：02
出版单位：沉积学报

摘要

侏罗系为准噶尔盆地重要的含油气层系,其层序发育较完整,沉积相类型丰富,沉积体系多样。露头、钻测井、地震三位一体研究表明,侏罗系发育七个三级层序,其沉积相类型包括冲积扇、河流、三角洲、扇三角洲、湖泊和沼泽等。这些沉积相在各层序体系域内呈有序排列。各期物源及岩相古地理分析表明,准噶尔盆地侏罗纪发育八套沉积体系,即克拉美丽山前冲积扇-辫状河-曲流河-三角洲-湖泊沉积体系、乌伦古扇三角洲—湖泊沉积体系、德伦山前辫状河-曲流河-三角洲-湖泊沉积体系、哈拉阿拉特山前冲积扇-辫状河-三角洲-湖泊体系、车拐冲积扇-辫状河-三角洲-湖泊沉积体系、四棵树曲流河—三角洲-湖泊沉积体系、伊林黑比尔根山前冲积扇-辫状河-三角洲-湖泊沉积体系、博格达山前曲流河-三角洲-湖泊沉积体系。其中克拉美丽沉积体系的发育最具有继承性。这些沉积体系的展布在总体上控制了盆地内部油气有利储集层的发育。
The Jurassic is one of significant oil-bearing strata in Junggar basin with relatively well-reserved sequences, various sedimentary facies and diversiformdepositional systems. Based on outcrop profiles, well data, logging data and seismic data, the Jurassic can be divided into seven sequences consisted of alluvial fan, stream, delta, fan delta, lacustrine and swampfacies which assemblaged in the tracts orderly. Research on provenance and lithofacies paleogeography indicates that there were eight sedimentary systems in the Jurassic in the Juggar basin, i.e., alluvial fan-braided stream-meandering stream-delta-lacustrine depositional system off Kalamay Mountains, delta fan-lacustrine depositional system in Wulungu, braided stream-meandering stream-delta-lacustrine depositional system off Delun Mountains, alluvial fan-braided stream-delta-lacustrine depositional system off Halaalate Mountains, alluvial fan-braided stream-delta-lacustrine depositional system in Cheguai, meandering stream-delta-lacustrine depositional system off Sikeshu Mountains, alluvial fan-braided stream-delta-lacustrine depositional system off Yilinhebier Mountains, meandering stream-delta-lacustrine depositional system off Bogeda Mountains. Among the eight depositional systems the depositional system off Kalamay Mountains was well developed in some sequences. These depositional systems controlled the favorable reservoir development of the Jurassic in Juggar Basin.

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