节点文献
一种提高叠后偏移成像效率的简易方法
A simple method to improve efficiency of poststack migration imaging
【摘要】 偏移速度是影响偏移成像质量的重要因素之一,常规调整偏移速度的方法处理效率很低。提出了一种提高偏移成像效率的简易方法,即通过对CDP间距Δx乘上一个相应比例因子来调整偏移速度,进而提高叠后偏移成像效率的方法。该方法简单易行,可以大大提高地震资料处理效率。
【Abstract】 Migration velocity is one of the important factors to affect the quality of seismic imaging,and the conventional methods to adjust the velocity are very low in efficiency.A simple method to improve efficiency of migration imaging is developed,which can adjust migration velocity by mulyiplying CDP interval,Δx,and a relevent scaling factor,and then improve efficiency of poststack migration imaging.This method is simple and easy to be applied,and can greatly improve the efficiency of seismic processing.
【关键词】 叠后偏移;
成像效率;
偏移速度;
CDP间距;
简易方法;
【Key words】 poststack migration; imaging efficiency; migration velocity; CDP interval; simple method;
【Key words】 poststack migration; imaging efficiency; migration velocity; CDP interval; simple method;
- 【文献出处】 中国海上油气 ,China Offshore Oil and Gas , 编辑部邮箱 ,2010年04期
- 【分类号】P631.4
- 【下载频次】98