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|Author||Topic: cva recover||2798 Views|
9 July 2012 at 11:23pm Last edited: 6 August 2012 11:58pm
Have the gathers perhaps already had nmo applied to them? You need to make sure that the gathers input into CVA have not had nmo applied to them. Before the moveout button is selected do the gathers look flat? This would suggest that an nmo has already been applied and this is the issue. If the gathers have already had an nmo applied and another nmo is applied, by using the moveout button in CVA, the data can be stretched to an extent that all the data is muted (by the stretch mute) leaving you with dummy traces.
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