One of the hottest topics in seismic depth imaging these days is gravity modeling. What? That's right, most major oil companies and many smaller ones routinely integrate rigorous gravity models with their seismic depth migration workflow. If you think about it, it makes sense. Gravity data have always been effective at predicting the distribution of mass in the subsurface. Although once thought limited in resolution, gravity has gained new respect in the last five years due to careful modeling and thoughtful integration into the workflow of seismic depth migration.

The days of the nonuniqueness excuse, conveniently used to exclude gravity...

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