叠前弹性波阻抗反演技术及应用
Oil Geophysical Prospecting(2006)
Abstract
叠前弹性波阻抗反演技术是油气勘探领域正在兴起的一项新技术.叠前弹性阻抗反演是利用不同炮检距道集数据及横波、纵波、密度等测井资料,联合反演出与岩性、含油气性相关的多种弹性参数,综合判别储层物性及含油气性.该方法也被称作弹性参数反演.由于叠前弹性波阻抗反演利用了大量地震及测井信息,较叠后声阻抗反演在可信度方面有很大提高,并能对含油气性进行半定量定量描述.本文在简要论述叠前弹性波阻抗反演的基本原理及方法的基础上,给出了该方法的反演实例.
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Key words
Elastic parameter inversion,Elastic wave impedance inversion,Oil/gas-bearing ability,Prestack,Seismic attributes logging data,Seismic data processing
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