Lecture 20, marine surveying 2
19
Seismic Data Processing ZGE 373 Marine Seismic Acquisition 2 Prepared by: Dr. Amin Khalil
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Transcript of Lecture 20, marine surveying 2
Seismic Data ProcessingZGE 373
Marine Seismic Acquisition
2
Prepared by: Dr. Amin Khalil
solution
Illastration
The vessel
Other marine sources
1- Waterguns similar to airgun but the air is replaced with water
2- Marine vibrator Hyraulic or electric power system using plate immersed in the sea water. It makes sweep of frequency say from 10-80 Hz over 10 s intervals
Other Marine seismic technique
1- Sea bed recording system Uses OBS (Ocean Bottom Seismometers) attached to OBC (ocean bottom cable).