velocity analysis | Energy Glossary

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velocity analysis

1. n. [Geophysics]

The process of calculating seismic velocity, typically by using common midpoint data, in order to better process seismic data. Successful stacking, time migration and depth migration all require proper velocity inputs. Velocity or stacking velocity can be calculated from normal moveout, or the change in arrival time produced by source-receiver offset.

See: common midpointgeophonemigrationnormal moveoutstackstacking velocitytime migrationvelocity