Performing depth imaging is an essential part of deepwater Gulf of Mexico (GOM) exploration. Over the years, depth-imaging technology has provided the most reliable seismic images below salt and has been implemented in the workflows of the prospect generation process. But how accurate are these images? Since model building for depth imaging is partially an interpretative process, and depth imaging involves resolving seismic propagation through complicated geologic features, it is easy for the resulting prestack depth-migrated images to include imaging and positioning errors.

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