Exploring Planet Earth
Larry [email protected]://web.ics.purdue/~braile(videos 1, 14, 11, 13, 9; June 30, 2008)
SAGE 2008Vibroseis Videos
Vibroseis courtesy of ION Geophysical
SAGE 2008 Budaghers Fault Profile
Vibe Controller (Pelton) – “Triggering the Sweep”
The “Pad” and the Sweep (schematic)
Time (10 s)
10 Hz 80 Hz
Watch here
and
here
After Lindseth, 1968
Figure 1. Vibroseis Schematic
After Lindseth, 1968
Figure 1. Vibroseis Schematic – Cross Correlation with pilot
After Lindseth, 1968
Figure 1. Vibroseis Schematic – Cross Correlation, 1st Reflection
Maximum positive correlation at this position
After Lindseth, 1968
Figure 1. Vibroseis Schematic – Cross Correlation, 2nd Reflection
Maximum negative correlation at this position
After Lindseth, 1968
Figure 1. Vibroseis Schematic – Cross Correlation, 3rd Reflection
Maximum positive correlation at this position
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