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Seismic reflection is a method of exploration geophysics that provides information about the sub-surface structure of the seafloor. The general principle involves sending artificially generated acoustic waves down the water column and into the seafloor, where the different structures and objects within the Earth's crust reflect this energy back according to their acoustic impedance.
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F W Schroeder โ Courtesy of ExxonMobil L 3 - Types of Data
F W Schroeder โ Courtesy of ExxonMobil L 3 - Types of Data
Regional Analysis Basin Analysis Block Analysis Prospect Analysis Field Analysis Compartment Analysis
F W Schroeder โ Courtesy of ExxonMobil L 3 - Types of Data
Usually mega-regional analysis is performed to :
F W Schroeder โ Courtesy of ExxonMobil L 3 - Types of Data
F W Schroeder โ Courtesy of ExxonMobil L 3 - Types of Data
F W Schroeder โ Courtesy of ExxonMobil L 3 - Types of Data
F W Schroeder โ Courtesy of ExxonMobil L 3 - Types of Data
F W Schroeder โ Courtesy of ExxonMobil L 3 - Types of Data
F W Schroeder โ Courtesy of ExxonMobil L 3 - Types of Data
F W Schroeder โ Courtesy of ExxonMobil L 3 - Types of Data
Objective:
Analogy:
F W Schroeder โ Courtesy of ExxonMobil L 3 - Types of Data
For the explosion we just considered .. Listening device #1 records a reflection starting at 0.4 seconds Listening device #2 records a reflection starting at 0.8 seconds
Time
F W Schroeder โ Courtesy of ExxonMobil L 3 - Types of Data
Subsurface โImageโ Data Processing Stream Field Record (marine) http://www.ig.utexas.edu/people/staff/ mrinal/Results/carlos_nn1_files/ image006.jpg Offset Time