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The stacking velocities are collected along the seismic lines and processed to show time versus velocity of the seismic reflectors. The data is used to generate a time velocity cube.
Before using then uncritical it is common to display and check the quality and extent to see how deep the cube should go.
The stacking velocities are located as in 06_Velocities as Survey03 and Survey04. There are more surveys in the dataset Tutorial data1 , but in this project we only need 3 and 4.
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Display and compare seismic sections and interpretation lines. Display a seismic 2D section. Try LOD display and ordinary display.Use the x key letter to set a focus and rotation point on the seismic.Drop color tables on the section. Use the Adjust color table range icon to study color table effects.Display the seismic navigation lines. Use the icon Locate project object from graphics to identify a seismic section.Display interpretation lines in various line thickness. Try also point display.Evaluate the interpretation quality. Are the lines auto tracked or digitized?stacking velocity.- Do Zoom to Folder on Survey03.
- Open up folder Survey03; click on a stacking velocity dataset.
- Perform Map Data. Zoom in and study the display. The lines are mapped.
- Erase and perform Make bands of velocity an map. Zoom in and study the display. It is solid.
- Try different display commands on the various velocity data sets.
- Go to the Command panel. Use Display survey lines. Transfer this command to the Toolbar.
- Highlight folder Survey03 and apply Display survey lines from the Toolbar.
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Seismic 2D sections and navigation lines Survey lines and stacking velocities
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Detail of seismic and interpretation lines |
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Stacking velocities collected and mapped |
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