Seismic inversion is one of the fundamental techniques for solving geophysics problems. To
obtain the elastic parameters or petrophysical parameters, it is necessary to establish a …

In exploration geophysics, the first arrivals on data acquired under complicated near-surface
conditions are often characterized by significant static corrections, weak energy, low signal …

Because of its computational efficiency, prestack Kirchhoff depth migration is currently one of
the most popular algorithms used in 2-D and 3-D subsurface depth imaging. Nevertheless …

高斯束偏移是一种准确, 灵活, 高效的深度域成像方法, 其不但具有接近于波动方程偏移的成像
精度, 还保留了Kirchhoff 偏移灵活, 高效的特点以及对复杂地表条件良好的适应性 …

Seismic data processing involves techniques to deal with undesired effects that occur during
acquisition and pre-processing. These effects mainly comprise coherent artefacts such as …

摘要山地地区地下地质结构复杂, 地表高差大, 变化剧烈. 目前该类地区地震勘探中主要的成像
手段依然是Kirchhoff 叠前时间偏移. 但地表高程的剧烈变化使叠前时间偏移的基准面很难选择 …

从起伏地表直接进行叠前逆时偏移是解决地表起伏大并且地下构造复杂这种双复杂结构地区
成像问题的有力工具. 本文给出了起伏地表直接进行叠前逆时偏移的实现过程 …

Application of conventional elevation static corrections and migration to wavefield data
recorded on irregular surfaces may result in poor reconstructions of complex subsurface …

The performance of two popular migration methods—the Kirchhoff integral and reverse-time
migrations—is evaluated through applications to imaging complex structures using prestack …

ABSTRACT A novel recursive, self-supervised machine-learning (ML) inversion scheme is
developed. It is applied for fast and accurate full-waveform inversion of land seismic data …