AVOA技术在CO_2地质封存地球物理监测技术中的应用

中文刊名：地下水
英文刊名：Ground Water
作者：魏旭旺
中文关键词：AVOA ; CO2地质封存 ; 4D地震
出版日期：2012-03-25
机构：西北大学地质学系西北大学大陆动力学试验室;
年：2012
期：02
出版单位：地下水

摘要

AVOA技术在CO2地质封存地球物理监测技中的应用基础理论,AVOA分析可以一定程度上反演储层弹性参数,以及流体分布状况,更重要是AVOA理论建立在各向异性介质理论基础上,更加符合地质状况,CO2地质封存过长中,储层中的流体发生变化,引起了储层弹性参数的变化,通过AVOA正反演可以预测储层流体分布,观测CO2是否扩散,是否摆脱盖层的封闭作用而泄露。可以帮助地质学家评估CO2封存的安全性[4]。

引文

[1]Aki,K.,and Richards,P.G.,1980,Quantitative seismology:Theo-ry and methods,1:W.H.Freeman&Co.
    [2]DAVID LUMLEY,2010,4D seismic monitoring of CO2 sequestra-tion,The Leading Edge,150-155.
    [3]JAMES P.VERDON and J-MICHAEL KENDALL,DON J.WHITE,DOUG A.ANGUS and QUENTIN J.FISHER,TED UR-BANCIC,2010,Passive seismic monitoring of carbon dioxide storageat Weyburn,The Leading Edge,200-206.
    [4]Lumley,D.,R.Behrens,and Z.Wang,1997,Assessing the technicalrisk of a 4D seismic project:The Leading Edge,16,1287–1292.
    [5]R ger,A.,1997,P-wave reflection coefficients for transversely i-sotropic models with vertical and horizontal axis of symmetry:Geo-physics,62,713-722.
    [6]R ger A.,1998,Variation of P-wave reflectivity with offset and azi-muth in anisotropic media,Geophysics,63(3),935-947.
    [7]Landr M.,2001,Discrimination between pressure and fluid saturationchanges from time-lapse seismic data:geophysics,66(3),836-844.
    [8]Thomsen L.,1986a,Weak elastic anisotropy,Geophysics,51,(10),1954-1966.