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Oilfield Glossary
Oilfield Glossary
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moveout

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1. n. [Geophysics]
The difference in the arrival times or traveltimes of a reflected wave measured by receivers at two different offset locations. Normal moveout (NMO) is moveout caused by the separation between a source and a receiver in the case of a flat reflector. Dip moveout (DMO) occurs as an effect in addition to NMO when reflectors dip. Problems that require static corrections can also produce moveout.

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2. n. [Geophysics]
The procedure in seismic processing that compensates for the effects of the separation between seismic sources and receivers.