松辽盆地青山口组一段油页岩成矿条件及有利目标区分析

英文篇名：Analyses of forming condition and favorable area of oil shale in the 1st member of Qingshankou Formation,Songliao Basin
中文刊名：地学前缘
英文刊名：Earth Science Frontiers
作者：张静平 ; 唐书恒 ; 吕建伟 ; 解慧 ; 吴敏杰 ; 郭东鑫 ; 陈江
英文作者：Zhang Jingping ; Tang Shuheng ; Lü Jianwei ; Xie Hui ; Wu Minjie ; Guo Dongxin ; Chen Jiang School of Energy Resources ; China University of Geosciences(Beijing) ; Beijing100083 ; China
中文关键词：青山口组 ; 油页岩 ; 地质特征 ; 成矿条件 ; 有利区优选
英文关键词：Qingshankou Formation ; oil shale ; geologic characteristics ; forming condition ; favorable area selecting
出版日期：2012-01-15
机构：中国地质大学(北京)能源学院;
年：2012
期：01
出版单位：地学前缘

摘要

基于钻井、测井、地震及分析化验资料,开展了松辽盆地青山口组一段油页岩成矿条件及有利目标区分析。研究发现,松辽盆地青山口组一段油页岩最大厚度达15m;埋深几十米～2 000m,盆地东南部农安-登娄库一带埋深在500米以浅。将青山口组划分出3个三级沉积层序,青一段油页岩形成于SQ1层序下降半旋回,为深湖相沉积物,油页岩分布受该时期深湖相沉积范围的控制。根据研究区整体地质勘查程度,选取油页岩埋深和油页岩厚度为主要评价指标,并以含油率作为参考指标,建立了青一段油页岩有利目标区优选方案,确定了A类选区为农安-增盛-长春岭-朝阳沟勘查区和白城东北部勘查区,B类选区为登娄库背斜带南部地区,C类选区为农安-增盛-长春岭-朝阳沟勘查区外围。
Based on the drilling data,log information,seismic data and testing results,this paper studied the forming condition and favorable area of oil shale hosted in the 1st member of Qingshankou formation in Songliao basin.The results showed that the maximum thickness of the oil shale in the 1st member of Qingshankou formation reaches 15m,and the burial depth ranges from dozens of meters to 2000m.The burial depth of oil shale within Nong'an-Denglouku at southeastern Songliao basion is less than 500m.In addition,three thirdorder sequences are identified in Qingshankou formation.Oil shale in the 1st member of Qingshankou formation is formed in subsiding semi-circle of SQ1,depositing in deep lacustrine environment.According to the general exploration degree of the study area,two parameters are involved in the evaluating system:thickness as geological parameter,burial depth as exploiting parameter,and the additional parameter oil content as a reference.This paper established the evaluating system for favorable areas of oil shale in the 1st member of Qingshankou Formation.The evaluating result is as follows:type A areas are Nong'an-Zengsheng-ChangchunlingChaoyanggou and northeast of Baicheng;type B area is the southern Denglouku arch;type C area is the outer part of Nong'an-Zengsheng-Changchunling-Chaoyanggou.

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