松辽盆地断陷期火山岩的形成及成藏条件Study of Tectonic Background and Reservoir-forming Condition of Volcanic Rock in Songliao Basin
杨懋新
YANG Mao-xin (Geophysical Exploration Company of Daqing Petroleum Administrative Bureau;
摘要(Abstract)：
为有效地指导火山岩油气藏的勘探 ,综合野外调查和深井钻探资料 ,从火山岩的旋回特征入手 ,探讨了构造的幕式演化对火山岩纵向的控制作用 ,分析了火山岩的成藏条件。认为松辽盆地断陷期火山岩区域上为兴安岭群火山岩的一部分 ,纵向上可以划分为火石岭组和营城组两套火山岩旋回 ,它们在岩石类型、化学成分和分布规律上的差异 ,是断陷期幕式构造演化的反映。火山岩储集条件受岩相控制 ,丰富的油源 ,良好的盖层及适当的圈闭条件相匹配 ,是油气聚集成藏的基础
Volcanic rock of Songliao Basin,which is divided into Huoshiling formation and Yingcheng formation,is the part of Xinganling Group.The difference of types of rocks,chemical constitution and distribution characteristics is the result of episodic tectonic evolution in depressed stage.Volcanic reservoir is mainly controlled by rock facies.Plentiful oil-gas supply,reservoirs and cap rocks well-developed and various kinds of traps well-corresponded are the foundations of reservoir formation.
关键词(KeyWords)：
松辽盆地;断陷期火山岩;幕式构造演化
Songliao Basin;volcanic rock in depressed stage;episodic tectonic evolution
基金项目(Foundation):
作者(Authors):
杨懋新
YANG Mao-xin (Geophysical Exploration Company of Daqing Petroleum Administrative Bureau;
参考文献(References)：
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