Geophysical Exploration of Crustal Structure

Exercise

In this exercise, you will learn seismic data processing using Seismic Un*x (hereafter SU).

Reference sites:

• John Stockwell Jr. GitHub
• Seismic Un*x Wiki
• "Seismic Unix" on Wikipedia
• Seismic Un*x Help (Stanford)
• Seismic Unix (SEG Wiki)
• Manual (Original)
• Japanese translation of the manual

1. Preparation

   • Setting SU environment
   • Copying data, scripts, etc.
   • Basic usage of Unix commands
   • Displaying waveforms

2. Exercise 1

   • Displaying and Checking headers
   • Windowing data

3. Exercise 2

   • Frequency filter
   • Velocity filter

4. Exercise 3

   • Deconvolution filter

5. Exercise 4

   • Velocity analysis
   • NMO correction and CMP stacking

6. Exercise 5

   • Migration

7. Exercise 6

   Processing real field data
   • Checking headers
   • Windowing data
   • Amplitude recovery
   • Filtering
   • Deconvolution

8. Exercise 7

   Processing real field data
   • Velocity analysis
   • NMO correction and CMP stacking
   • Migration

9. Report submission

   • Write a report on data processing of the real field data

Submittal of homework

• Submit your homework via either e-mail, printout, or hand-writing.
• The deadline is the start of the next lecture.
• Drop your report in the pocket on the door of E509 or Mailbox in E407.

References

• Forel, D., Benz, T. and Pennington, E. D., Seismic Data Processing with Seismic Un*x, SEG.
• Yilmaz, O., Seismic Data Analysis, SEG.