Seismic energy sources
In seismic prospecting, for signal generation, is used various sources – explosive, gas, hammer...
In seismic prospecting, for signal generation, is used various sources – explosive, gas, hammer and other. Energy transmitted substantially differ from source to source and hence the depth of investigation. For better understanding of the phenomenon we attached a table of advantages and limitation in seismic energy sources.
| Type | Source | Energy into ground | Field portability | Cost | Relative dipth investigation [m] | Aplications |
| Impact | Sledge hammer | Small | Excellent | Low | < 30 | Engineering, environmental |
| Weight drop | Small-medium | Poor | High | 30 - 60 | ||
| Impulsive | Shotgun | Medium | Fair | High | 100 | Engineering |
| Explosives | Small-large | Excellent | Low | No limit | Land, hidrocarbon | |
| Vibratory | Vibroseis | Small-large | Fair | Medium | >1 000 | Land, hidrocarbon |
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