中国石油大学学报(自然科学版)2018,Vol.42Issue(1):40-49,10.DOI:10.3969/j.issn.1673-5005.2018.01.005
地震数据规则化重构方法策略
Strategy of seismic data regularized reconstruction
摘要
Abstract
The regular reconstruction of seismic data is one of the most important and fundamental aspects of seismic data pro-cessing. In this paper we first analyzed the characteristics of the seismic data in the frequency-wave number domain. We found that an insufficient regular or irregular sampling of the seismic data may result in a dispersion of the spectral energy in the wave number domain,which illustrates the importance of regularized reconstruction.We classified the existing regularized reconstruction methods according to the types of the seismic data, and then analyzed the merits, drawbacks and application conditions of the methods based on their realization principle. We subsequently proposed a selection strategy of the regular-ized reconstruction methods under different conditions. Finally,we carried out a model testing of the reconstruction method using the proposed selection strategy. Our results demonstrate that the anti-aliasing reconstruction is the key of seismic data reconstruction. The regular under-sampled data can be reconstructed by methods based on the prediction-error filtering theo-ry,various mathematical transforms,and the combination of various mathematical transforms with sparse inversion. The ir-regular under-sampled data can be reconstructed by methods based on various mathematical transforms,the rank-reduced the-ory,the prediction-error filtering theory and their combinations with the sparse inversion or compressed sensing theory. A comparison among the different methods validates the robustness and feasibility of the proposed selection strategy of the regu-larized reconstruction methods.关键词
地震数据缺失/地震数据规则化/地震数据重构/选择策略Key words
seismic data missing/seismic data regularization/seismic data reconstruction/selection strategy分类
天文与地球科学引用本文复制引用
李振春,王姣,孙苗苗,李志娜,曹国滨,李秀芝,雍鹏..地震数据规则化重构方法策略[J].中国石油大学学报(自然科学版),2018,42(1):40-49,10.基金项目
中国博士后面上基金项目(2015M582162) (2015M582162)
国家自然科学基金项目(41104069,41274124,41604103) (41104069,41274124,41604103)
国家科技重大专项(2016ZX05006-002-003,2016ZX05026-002-002) (2016ZX05006-002-003,2016ZX05026-002-002)
国家重点研发计划项目(2016YFC060110501) (2016YFC060110501)