【摘要】 以Vail经典的层序地层学理论为指导,采用深水区地震资料与浅水区钻井资料结合,相互印证对比的方法,将琼东南盆地深水区古近系陵水组自下而上划分出SⅠ、SⅡ、SⅢ和SⅣ4个三级层序,建立了研究区目的层三维等时层序地层格架。在此基础上采用单要素综合分析的方法,对陵水组输导体系进行研究,将该区目的层输导体划分为储集体、不整合面和断裂等3种。根据输导要素和空间形态,总结出9种输导模式类型。结合盆地温度场、压力场、流体势及烃源岩发育特征,指出盆地深水区陵水组主要发育地堑型和半地堑型两种成藏模式,并在优势输导体系评价的基础上对陵水组各层序有利勘探区域进行了预测。更多还原

【Abstract】 Coupled with Vail’s classic stratigraphic sequence theory,comparison of seismic data in the deep water area with drilling data in the shallow water area divides the Paleogene Lingshui Formation of deep water area in Qiongdongnan Basin from bottom to top into four three-order sequences-SI,SII,SIII and SIV,and establishes a three-dimensional isochronous stratigraphic pattern in the target area.Based on the research above,this study defines the pathway system into reservoir,unconformity surface and faulting after systematic research on the migration system.Nine migration systems were summarized based on the migration elements and space configuration.Combined with the temperature and pressure data and fluid potential and hydrocarbon source rock of the basin,this study reveals that rift valley and half-rift valley are two important patterns of hydrocarbon accumulation and made the prediction for favorable exploration areas in the Lingshui Formation sequence on the basis of dominant migration system evaluation.更多还原