【摘要】 数据规则化技术是地震资料处理中的重要技术,它对改善地震数据的面元属性,提高地震资料处理质量具有重要意义。进行叠前时间偏移处理时,更多关注的是偏移速度场精度及偏移参数对偏移成像效果的影响,忽视了不规则空间采样的叠前数据对叠前偏移成像效果的影响。文中在分析叠前数据规则化常用技术方法优缺点的基础上,研究了反假频傅里叶变换的叠前数据规则化方法,实现了陆地地震勘探资料不规则空间采样的叠前数据规则化,满足了叠前时间偏移技术对输入数据的要求,在济源后邓地区稀疏三维地震老资料重新处理中取得了较好的应用效果。更多还原

【Abstract】 Data regularization is a key technology in seismic data processing which has great importance to improve the attribute of bin size and to enhance the processing quality of seismic data.Technician pay more attention to the effect of migration velocity field accuracy and migration parameters on migration imaging result when prestack time migration is carried on,but the effect of prestack data on prestack migration imaging result in irregular space sampling is neglected.Based on the analysis of the advantages and disadvantages of common prestack data regularization technology,the prestack data regularization method of anti-aliasing Fourier transform is studied and the prestack data regularization of irregular space sampling in land seismic exploration is realized,which meets the requirement of prestack time migration on input data and obtains a good application result in the reprocessing of old 3D seismic data in Houdeng Area of Jiyuan.更多还原