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1.发明申请公开(公告)号：US20170371052A1
公开(公告)日：2017-12-28
申请号：US15528259
申请日：2015-12-11
Applicant: CGG SERVICES SAS
Inventor： Julien COTTON , Herve CHAURIS , Eric FORGUES
CPC classification number: G01V1/308 , G01V99/005 , G01V2210/612
Abstract: A modified velocity model different from an initial velocity model is determined for migrating a vintage of 4D seismic data. The modified velocity model minimizes differences between a reference vintage migrated using the initial velocity model and the vintage migrated using the modified velocity model.
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