AVO技术的新进展

介绍了67届EAGE年会上AVO技术的进展情况，主要涉及AVO理论新进展、AVO正演模拟技术、AVO参数反演技术及应用实例等。其中，利用改进的近似公式提高AVO分析及参数反演的精度依然是AVO理论的研究热点，多尺度速度函数及薄层AVO模拟方法在AVO模拟中得到了充分的重视。在反演方法及应用实例方面，主要讨论了弹性参数反演、同步反演、随机反演技术的方法原理及实际效果。从这些方法的思想和应用效果上可以看出AVO技术的发展现状及其在油气检测中的应用前景。

Advances in AVO techniques

Advances in AVO techniques emerged from the 67th EAGE annual meeting is reviewed. Topics covered new development of AVO theory, AVO modeling, AVO parameter inversion, and case studies. Improving AVO approximations to better the inversion results is still an unfailing hot topic of AVO theoretical research. Multi-scale velocity function and thin-bed AVO modeling method have held wide attention in AVO modeling. The principles and application effects of elastic parameter inversion, simultaneous AVO inversion, and stochastic inversion are discussed in the topic of AVO inversion and case histories. The ideas and results of the different methods presented in this paper reflect the state-of-the-art and the application prospects of AVO techniques.