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Depth conversion of seismic
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The menu contents are basically the same in the trwo cases and should be easy understandable. A few comments are described below.
Specify to which depth value depth conversion is to be performed.
Enter values for new vertical resolution if needed. Normally one could have a finer resolution for the depth converted seismic grid. The really fine resolution should only be used for powerful machines or low memory data types. Try to keep the new grid size below 30-40Mb if possible in the normal case.
Velocity data
To achieve a satisfactory depth conversion apply a smooth velocity field or a smooth velocity cube. It is assumed that the velocity data is covering the seismic outline. If not, the depth conversion will use the nearest velocity data that is covered by the outline.
Output
A new outline is generated after depth conversion. This new outline makes a rectangular frame from top to the specified depth. All seismic sections
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Seismic lines that have an outline within the velocity field are depth converted and saved back into the project. |
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. Otherwise one can override the input time seismic with the depth seismic. In that case, make sure that you work on copies of the original seismic sections in time. It is thus necessary to take a copy of the complete folder with seismic sections and run this command object on the folder doing a depth conversion on all seismic sections in the folder. Seismic sections that are not depth converted if they are outside the cube are listed in the message area. |