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Prestack Migration

Prestack Migration Algorithms

Accurately image areas with complex structures, velocities, or both

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WesternGeco has an extensive range of prestack migration algorithms to handle all geological complexities and seismic acquisition environments and designs, including the latest full-azimuth surveys.

Accurately image areas with complex structures, velocities, or both

Our portfolio

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3D view of WesternGeco seismic acquisitions offshore Sri Lanka

Offshore Sri Lanka Reimaging

13,080 km of broadband 2D seismic data
Use broadband 2D seismic data to enhance prospectivity of frontier basins and plays offshore Sri Lanka.
Gaussian Packet Migration using a TTI model.

Gaussian Packet Migration

When high stratigraphic resolution is key
Achieve high-resolution steep-dip images in complex environments and high-frequency images for postsalt targets.
Comparison between a Kirchhoff prestack depth migration, and an equivalent ABM.

Adaptive Beam Migration

Multiarrival, high-quality final imaging
Achieve outstanding image quality and interpretation confidence.
Comparsion of anisotropic PS Kirchhoff prestack migration data with conventional data.

Anisotropic PS Kirchhoff PSTM and PSDM

Superior mode-converted imaging in time or depth
Discover industry-leading workflows for converted-wave velocity model parameterization and imaging in time or depth.

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