网络出版日期: 2014-02-05
基金资助
国家重点基础研究发展计划(973)项目“火山岩油气藏的形成机制与分布规律”(编号:2009CB219307)资助
Application of diffusion filtering method to the seismic data processing
Online published: 2014-02-05
从各向异性扩散滤波方程出发,给出了其对应的数值离散公式及其最简单的各向同性扩散滤波离 散计算公式,开展了扩散滤波方法在低频逆时偏移噪音的多尺度分离、地震反射波和散射波波场的相对 分离、保断层边缘的随机噪音压制以及地震数据插值处理等 4 个方面的应用,并给出了其对应的应用假 设条件。 计算结果表明,扩散滤波方法可在不同应用假设条件下取得较好的处理效果。 该方法可指导实 际地震资料数字处理。
关键词: 低渗储层; 重力流; 成岩作用; 沙河街组; 渤中 25-1 油田
孙海涛 , 李超 , 钟大康 , 周军良 . 扩散滤波方法在地震资料处理中的应用研究[J]. 岩性油气藏, 2014 , 26(1) : 117 -122 . DOI: 10.3969/j.issn.1673-8926.2014.01.019
Based on anisotropic diffusion filtering equation, this paper presented the corresponding numerical equation, together with its simplest anisotropic diffusion filtering numerical equation. Then, we applied diffusion filtering method to four aspects of application, such as multi-scale low-frequency reverse-time migration noise suppression, seismic reflection wave and scattered wave relatively separating processing, holding fault boundary random noise suppression and pre-stack and post-stack seismic data interpolation processing, and also presented each assumed condition of the applications. The computation results show that the diffusion filtering method can be used to obtain good processing results under different assumed conditions and instruct the practical seismic data digital processing.
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