Development of stereographic visualization has opened the third and fourth dimensions in seismic analysis and interpretation. The ability to look, simultaneously, at several data volumes and attributes in a true 3-D sense opens the door to visualization systems applied to regional AVO analysis and volume-based repeatability analysis, as part of the 4-D processing flow.

Of the different types of high-end visualization systems on the market today, PGS has chosen to use a dual screen Holobench system from the German company TAN Projection Technology (Figure 1). The visualization software—holoSeis—has been developed in-house to provide high performance stereographic volume visualization....

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