1. GeoCenter LP
SeisUP ®
Marine Processing

2. SeisUP ® University of Texas / Dallas Offshore Oregon
Processed By: GeoCenter
for Training Session utilizing
SeisUP ®

3. Table of Contents SeisUP ® Slides Subject 4 Processing Flow 5-67
Raw Record Display
8-9
Near Trace Displays
10-11
Brute Velocity Analysis 12
QC Stack 13
Gain Analysis
14-15
A/C & Decon QC
16-17
Decon Velocity Analysis 18
Decon Stack 19
Radon QC
20-21
Radon Velocity Analysis
Slides
Subject
22-23
Radon Stacks
24-25
Radon DMO Velocity Analysis 26
DMO Stack 27
KTMIG Stack 28
DMO Angle Gather QC
29-31
AVO Cross Plots
32-33
Angle Stacks
34-36
Aperture Model QC 37
SMIG Stack 38
Closing
SeisUP ®

4. Processing Flow Additional QC Radon Test Apperture Modeling Test
Reformat to GCI format
Geometry
Near trace extraction
Spherical divergence correction
Surface consistent gain correction
Spike edit
Deconvolution
Velocity analysis
Stack
Radon
Dip moveout correction
KTMIG
AVO Processing
Angle Stack QC
Angle Stacks (15 & 30 degrees)
AVO Crossplots
AVO (intercept & gradient) Stack
Additional QC
Radon Test
Apperture Modeling Test
SeisUP ®

5. University of Texas / Dallas
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University of Texas / Dallas
Offshore Oregon
Processing Flow (1)
Processing Flow (1)
SeisUP ®

6. University of Texas / Dallas
Processing Flow (2)
University of Texas / Dallas
Offshore Oregon
Processing Flow (2)
SeisUP ®
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7. Raw Record Display
Raw Record Display
SeisUP ®
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8. Near Trace (all shots) SeisUP ® Near offset display All Shots
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9. Near Trace (every 3rd Shot)
Near offset display
Edit: every 3 rd shot
SeisUP ®
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10. Brute Velocity Analysis
SeisUP ®
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11. Brute Velocity Analysis
SeisUP ®
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12. Alternate Trace Display (zoomed zone of interest)
SPER + NMO + STACK + AGC
Alternate Trace Display
(zoomed zone of interest)
Brute Stack
SeisUP ®
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13. Surface Consistent Amplitude Analysis
SGN1 +SGN2
Gain Analysis
Before
After
SeisUP ®
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14. Auto Correlation Analysis
SeisUP ®
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15. Spiking Deconvolution Auto Correlation Analysis
Decon A/C Analysis
Spiking Deconvolution
Operator= 160 msec
Auto Correlation Analysis
SeisUP ®
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16. Decon Velocity Analysis
SeisUP ®
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17. Decon Velocity Analysis
SeisUP ®
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18. Decon Stack SeisUP ® SPER +SGN3 + DECON + NMO + STACK + AGC
Alternate Trace Display
(zoomed zone of interest)
SeisUP ®
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19. Radon QC
Before
After
Removed
Radon QC
SeisUP ®
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20. Radon Velocity Analysis
Decon + Radon Velocity Analysis
Radon Velocity Analysis
SeisUP ®
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21. Radon Velocity Analysis
Decon + Radon Velocity Analysis
Radon Velocity Analysis
SeisUP ®
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22. Radon Stack SeisUP ® SPER +SGN3 + DECON + RADON (TP)+NMO + STACK + AGC
Alternate Trace Display
(zoomed zone of interest)
SeisUP ®
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23. Radon Stack SeisUP ® SPER +SGN3 + DECON + RADON + NMO + STACK + AGC
Alternate Trace Display
(zoomed zone of interest)
SeisUP ®
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24. DMO Velocity Analysis SeisUP ® Decon + Radon + DMO Velocity Analysis
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25. DMO Velocity Analysis SeisUP ® Decon + Radon + DMO Velocity Analysis
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26. Decon + Radon + DMO + Filter+ AGC
DMO Stack
SeisUP ®
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27. Decon + Radon + DMO +KTMIG + Filter+ AGC
KTMIG Stack
SeisUP ®
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28. DMO Angle Gather QC (0-50/10 = 5 degrees)
SeisUP ®
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29. AVO Cross – P-wave Intercept and Gradient
AVO Cross Stack
SeisUP ®
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30. AVO Cross Plot
SeisUP ®
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31. AVO Cross Plot
SeisUP ®
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32. Angle Stack (0-15 degree) SeisUP ® Angle Stack 0-15 degrees
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33. Angle Stack (0-30 degree) SeisUP ® Angle Stack 15 - 30 degrees
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34. Aperture Model QC SeisUP ® Aperture Model QC (one sided)
Design desired aperture =
Number of traces x TR. Interval x 2 (for full aperture)
SeisUP ®
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35. Designed Aperture Model QC
Aperture Model QC (one sided)
Designed Aperture Model QC
Aperture designed by controlling distance and time varying dip.
SeisUP ®
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36. Designed Aperture Model QC
Aperture Model QC (one sided)
Designed Aperture Model QC
Aperture designed by time varying dip only.
SeisUP ®
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37. Decon + Radon + DMO + SMIG + Filter+ AGC
SeisUP ®
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38. GeoCenter has made every effort to ensure the accuracy of the information herein. However, appropriate information sources should be consulted, especially for new or unfamiliar processing procedures. It is the responsibility of the processing geophysicist to evaluate and conclude his/her own opinion to the context of the material presented.
It is forbidden to reproduce or to transmit in any form or by any means, electronic or mechanical , including photocopying any portion of this presentation without written permission from the University of Texas/Dallas and GeoCenter.
GeoCenter LP
4805 WestWay Park Blvd.
Houston, TX
SeisUP ®