【摘要】 柴达木盆地北缘冷湖-南八仙构造带的油气勘探实践表明,研究区内主要有三种油气运移通道:连通的砂体和不整合面通常是油气侧向运移的通道,断层是油气进行垂向运移的重要通道。综合地质、地震、测井和分析化验等资料,应用现代油气成藏理论、地球物理学等理论和方法,对研究区的油气运移通道及其与油气成藏的关系进行了研究。研究结果表明,油气运移通道类型及其空间组合方式是控制油气运移、聚集以及成藏的主要因素。探讨了该区油气运移输导层(不整合面、连通砂体、断层及三者的组合形式)对油气运移、聚集、成藏的控制作用及其与油气藏形成和分布的关系,为勘探实践提供指导。更多还原

【Abstract】 The practice of hydrocarbon exploration in Lenghu-Nanbaxian structural belt,the northern Qaidam Basin,shows that there are mainly three types of hydrocarbon migration pathways within the studied area,connected sand bodies and unconformityes are lateral migration pathways and faults are vertical migration pathways.The hydrocarbon migration pathways and their relationship with hydrocarbon accumulation are studied by synthetically applying the theories and methods of modern hydrocarbon accumulation and geophysics,geology,seismics,logging and analysis assay data.The results show that the types of hydrocarbon migration pathways and the assembly patterns are main control factors for hydrocarbon migration,accumulation and pool-forming.This research approaches the control of the transport layers(unconformity,connected sand body,fault and its assembly pattern) on hydrocarbon migration,accumulation and pool-forming and relationship with hydrocarbon formation and distribution,which can guide the practice of hydrocarbon exploration.更多还原