1. Subwavelength Imaging using Seismic Scanning Tunneling Macroscope Field Data Example G. Dutta, A. AlTheyab, S. Hanafy, G. Schuster King Abdullah University of Science and Technology, Saudi Arabia September 19, 2012

2. Outline Motivation Motivation Background Background Theory Theory Kaust Field Experiment Kaust Field Experiment Qademah Field Experiment Qademah Field Experiment Conclusions Conclusions

3. Outline Motivation Motivation Background Background Theory Theory Kaust Field Experiment Kaust Field Experiment Qademah Field Experiment Qademah Field Experiment Conclusions Conclusions

4. 0 km 7 km 0 km 3 km Why is Resolution Important ? ? KM image 0 km 7 km Least Squares KM image

5. Outline Motivation Motivation Background Background Theory Theory KAUST Field Experiment KAUST Field Experiment Qademah Field Experiment Qademah Field Experiment Conclusions Conclusions

6. Background Depth ΔxΔx Z De Fornel (2001) and Jia et al. (2010) got super-resolution in optical imaging.with evanescent waves. De Fornel (2001) and Jia et al. (2010) got super-resolution in optical imaging.with evanescent waves. Schuster et al. (2012) used SSTM to get super-resolution with numerical experiments. Schuster et al. (2012) used SSTM to get super-resolution with numerical experiments.

7. Outline Motivation Motivation Background Background Theory Theory Kaust Field Experiment Kaust Field Experiment Qademah Field Experiment Qademah Field Experiment Conclusions Conclusions

8. Seismic Scanning Tunneling Macroscope Sources Receivers Scatterer r Post-stack migration image (Schuster et al. 2012):

9. Seismic Scanning Tunneling Macroscope r Post-stack migration image: 0.2 0.7` 0.2 0.7 S’ Near field resolution Far field resolution

10. Outline Motivation Motivation Background Background Theory Theory KAUST Field Experiment KAUST Field Experiment Qademah Field Experiment Qademah Field Experiment Conclusions Conclusions

11. Sources Line 1 Line 5 Line 4 Line 3 Line 2 Layout of the Field Experiment Scatterer near shot 12

12. Layout of the Field Experiment

13. Common Shot Gathers a) CSGs before putting any scatterer b) CSGs after burying a scatterer

14. Migration Images R R Without Scatterers With Scatterers

15. Resolution at full bandwidth of the data 1.2 m 0.6 m

16. Resolution at half bandwidth of the data 0.6 m

17. Outline Motivation Motivation Background Background Theory Theory KAUST Field Experiment KAUST Field Experiment Qademah Field Experiment Qademah Field Experiment Conclusions Conclusions

18. Qademah Field Experiment with no scatterer

19. Qademah Field Experiment with one scatterer

20. Qademah Field Experiment with two scatterers

21. Migration Images Trial Source Location Actual Source Location R 15 m R With scatterers Without scatterers

22. Migration Images Trial Source Location Actual Source Location R R With scatterers Without scatterers

23. Migration Image for the weaker scatterer R Trial Source Location Actual Source Location R With scatterers Without scatterers

24. Outline Motivation Motivation Background Background Theory Theory KAUST Field Experiment KAUST Field Experiment Qademah Field Experiment Qademah Field Experiment Conclusions Conclusions

25. Conclusions

26. Acknowledgements We would like to thank King Abdullah University of Science and Technology King Abdullah University of Science and Technology Society of Exploration Geophysicists Society of Exploration Geophysicists Chamber of Geophysical Engineers of Turkey Chamber of Geophysical Engineers of Turkey

27. THANK YOU !!!