汪浩,邵龙义,蔡国刚,陈振岩,李晓光,郭立君

• 1:中国矿业大学(北京)地球科学与测绘工程学院
• 2:辽河油田勘探开发研究院

摘要(Abstract)：

利用钻探、测井及地震资料对辽河盆地东部凹陷驾掌寺—小龙湾地区沙河街组三段上亚段进行了沉积环境和聚煤作用分析,编制了各种单因素图件及古地理图,识别出冲积扇、三角洲平原、三角洲前缘和前三角洲以及滨浅湖等古地理单元。分析认为,研究区物源来自东侧东部斜坡带和西侧中央凸起,并在区内沉积中心—驾掌寺—小龙湾凹陷处汇集,在适宜的气候、缓和的构造背景、适中的沉降幅度、较少的碎屑输入条件下,有一定水体深度的三角洲平原分流间湾沼泽区是成煤的有利地带,巨厚煤层分布于小龙湾地区的小14井、小5井以及小31井一带。

关键词(KeyWords)： 聚煤作用;辽河东部凹陷;古近系;沙河街组;三角洲

Abstract:

Keywords:

基金项目(Foundation): 中石化海相前瞻性研究项目;; 国家973项目(2006CB202202);; 国家自然科学基金项目(40672103)资助

作者(Author): 汪浩,邵龙义,蔡国刚,陈振岩,李晓光,郭立君

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