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公开(公告)号：US20210055443A1
公开(公告)日：2021-02-25
申请号：US16851825
申请日：2020-04-17
Applicant: CGG SERVICES SAS
Abstract: Methods and apparatuses for seismic data processing perform a least-squares reverse time migration method in which surface-attribute-independent coefficients for the surface attribute gathers are demigrated to reduce the computational cost.
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