Three Dimensional Cone Filtering
详细信息
- 责任者：Wang Jinlong (Deyang Branch ; E & P Research Institute SWPB ; SINOPEC ; Deyang 618000 ; China) ; Hu Zhiquan
- 刊名：Oil Geophysical Prospecting
- 出版年：2012
- 卷期：47(5)
- 关键词：地震滤波 ; seismic filtering
- 页码：p.705-711
- 图表：3 illus., 9 refs.
- 分类号：1600
- issnNo：ISSN1000-7210
- isbnNo：CN13-1095/TE
摘要
Making full use of the apparent velocity difference between seismic reflection signal and linear interference in three dimensions,the three dimensional cone filtering could obtain an effective suppression of surface waves.Compared to the conventional two dimensional apparent velocities filtering,the three dimensional cone filtering uses the space distribution of seismic signal and chooses reasonable velocity values.So it could fully remove surface waves and preserve seismic signals.Moreover,for hyperbolic surface waves of far offsets in three dimension geometry,this cone filtering can also obtain good result for remove of surface waves,but the conventional two dimensional apparent velocity filtering cannot.
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