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松辽盆地裕民地区北部泉头组四段沉积特征
引用本文:薛纯琦,胡明毅,孙春燕,王丹玲.松辽盆地裕民地区北部泉头组四段沉积特征[J].地质与资源,2017,26(6):583.
作者姓名:薛纯琦  胡明毅  孙春燕  王丹玲
作者单位:1. 长江大学 油气资源与勘探技术教育部重点实验室, 湖北 武汉 430100;2. 长江大学 地球科学学院, 湖北 武汉 430100
基金项目:大庆油田有限责任公司勘探开发研究院项目"扶余油层不同类型砂体精细解剖与沉积相模型研究"(编号DQYT-121002-2014-JS-468)
摘    要:以松辽盆地裕民地区泉头组四段为研究对象,利用高分辨率层序地层学原理并结合测井、岩性资料,识别该地区的层序界面并进行层序地层的划分,建立层序地层格架,分析沉积相类型及展布.结果表明,该地区泉四段可划分为3个中期旋回、7个短期旋回,发育曲流河相和浅水三角洲相,识别出河漫、河床、三角洲平原、三角洲前缘4个沉积亚相及多种沉积微相.通过沉积相类型、岩性组合特征、沉积相平面展布以及垂向变化分析,绘制细分层单元沉积微相图件,为寻找有利砂体提供预测.

关 键 词:浅水三角洲  沉积相  高分辨率层序地层  泉四段  裕民地区  松辽盆地  
收稿时间:2017-01-18

SEDIMENTARY CHARACTERISTICS OF THE FOURTH MEMBER OF QUANTOU FORMATION IN NORTHERN YUMIN AREA OF SONGLIAO BASIN
XUE Chun-qi,HU Ming-yi,SUN Chun-yan,WANG Dan-ling.SEDIMENTARY CHARACTERISTICS OF THE FOURTH MEMBER OF QUANTOU FORMATION IN NORTHERN YUMIN AREA OF SONGLIAO BASIN[J].Geology and Resources,2017,26(6):583.
Authors:XUE Chun-qi  HU Ming-yi  SUN Chun-yan  WANG Dan-ling
Institution:1. Key Laboratory for Oil-Gas Resources and Exploration Technology of the Education Ministry of China, Yangtze University, Wuhan 430100, China;2. College of Earth Sciences, Yangtze University, Wuhan 430100, China
Abstract:To study the fourth member of Quantou Formation (Q4) in Yumin area, Songliao Basin, the principle of high-resolution sequence stratigraphy is combined with well logging and lithologic data to identify the sequence boundary and divide the strata, then establish the sequence stratigraphic framework, and finally analyze the sedimentary facies and distribution. The result indicates that Q4 can be divided into three mid-term cycles and seven short-term cycles, with development of meandering river and shallow delta facies, from which four sedimentary subfacies of river flood, riverbed, delta plain and delta front, and various microfacies can be identified. Based on the analysis of sedimentary facies types, lithologic association, plane distribution and vertical variation of sedimentary facies, the sedimentary microfacies maps of subdivision layers are drawn, which can provide prediction for prospecting favorable sand body.
Keywords:shallow-water delta  sedimentary facies  high resolution sequence stratigraphy  the fourth member of Quantou Formation (Q4)  Yumin area  Songliao Basin  
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