【摘要】 溶洞是碳酸盐岩储层油气藏的重要载体之一,对溶洞的研究可以更加深入的了解碳酸盐岩油气藏的形成与聚集机理。而目前大多数研究工作都是局限于剖面特征的研究,并没有考虑不同溶洞组合情况下各种地震属性特征。针对这一问题,设计横向上溶洞尺度变化和纵向上溶洞间隔距变化的2个溶洞模型,并利用波动方程正演和叠前深度偏移方法获取偏移剖面,提取不同类型的地震属性,研究不同尺度和间距变化的溶洞对地震属性的影响。更多还原

【Abstract】 The karst cave is one of the important carriers of carbonate reservoirs of oil and gas reservoirs.The research in karst cave can get more in-depth understanding of the formation and accumulation mechanism of carbonate reservoirs.At present,most of the research work is limited to the study of the profile characteristics,and no seismic attribute characteristics to be considered in the different cave combination case.This paper,to solve this problem,designs two cave models,which are cave scale changes in lateral and cave interval distance changes in vertical.And it takes advantage of the wave equation forward and the prestack depth migration method for migration profile.At the same time,it extacts different seismic attributes,respectively studies the influence of different scales and interval changes in the caves to seismic attributes.更多还原