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SEISMIC IMAGING SYSTEMS AND METHODS EMPLOYING A 3D REVERSE TIME MIGRATION WITH TILTED TRANSVERSE ISOTROPY.
SEISMIC IMAGING SYSTEMS AND METHODS EMPLOYING A 3D REVERSE TIME MIGRATION WITH TILTED TRANSVERSE ISOTROPY.
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机译：地震影像系统和方法，采用倾斜横观各向同性进行3D反向时间迁移。
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摘要
Seismic survey data is converted into a subsurface data volume that users can view to understand and analyze the subsurface structures in the survey region. At least some of the disclosed systems and methods employ three-dimensional reverse time migration using wave equations adapted for use in formations having tilted transverse isotropy. Relative to existing methods, the disclosed systems and methods rely on fewer approximations and suffer fewer limitations on the circumstances in which they can be employed. Moreover, because the disclosed wave equations are derived from Hooke's law (and consequently they operate on fields that are directly tied to physical quantities), they demonstrate an increased stability relative to existing methods. Survey data analysts employing the disclosed systems and methods should obtain better images of the subsurface and be better able to identify reservoirs and deposits for commercial exploitation.
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