Hybrid Approach in Velocity Model Building: A Case Study from Western Offshore Basin, India

In depth imaging, depth calibration using well-tie updated velocity is generally applied to poststack data. This is the most correct type of depth calibration as it positions structures in their proper places.

This paper describes how a final interval velocity model is achieved through a hybrid approach combining various techniques. Depth migration using this hybrid approach not only gives flat depth gathers, but also gives very satisfactory images, with the events matched well tops.

Hybrid Approach in Velocity Model Building: A Case Study from Western Offshore Basin, India

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