摘要
地震资料叠前去噪是勘探地震资料处理的关键问题之一,但这个问题长期以来一直没有得到很好的解决,各种不同类型的噪音是提高地震资料分辨率的一个主要障碍。如何消除地震资料中的各种不同类型的噪音是地震资料叠前去噪的核心问题。为此,人们进行了长期不懈的努力,以更好地消除各种噪音。文章着重概述应用广义S变换在叠前去噪的方法、以及应用的效果。结果表明,叠前去噪技术能有效压制噪声、提高信噪比,且振幅保真度较高,极大地改善了叠前地震资料的品质,为叠前地震反演的开展奠定了基础。
Seismic data pre-stack noise attenuation is one of the key problems of seismic data processing.However,this problem has not been well solved so far and is becoming a barrier of enhancing theresolution of seismic data.How to efficiently eliminate seismic data in different types of noise is a major problem of seismic data pre-stack noise attenuation.So far,many efforts have been made for the purpose of better attenuating noise.This paper summarizes the application of generalized S transformation in pre-stack de-noising and the effects.The results shows that pre-stack noise attenuation technique can effectively suppress noise,improve signal to noise ratio,and increase fidelity amplitude,which greatly improves the quality of pre-stack seismic data,and lay the foundation of carrying out pre-stack seismic inversion.
出处
《石油仪器》
2010年第4期59-61,102,共3页
Petroleum Instruments
关键词
广义S变换
振幅保真
叠前去噪
Generalized S transformation
amplitude fidelity
pre-stack noise attenuation
