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Table 1 Acquisition parameters of the 3-D seismic survey in Groß Schönebeck
Survey parameter | Parameter value |
|---|---|
Survey period | Feb/March 2017 (17 work days) |
Seismic source (regular) | 4 vibrators M12/606—Hemi 48, each 200 kN |
Sweep | Linear up, 12–96 Hz, 8 × 12 s, 360 ms taper |
Source interval | 50 m (48 m linear pattern) |
Line distance | 700 m |
Number vibrator points | 1830 |
Seismic source (exceptional) | 15 explosive shots (each ~ 1.2 kg charge, 10–15 m deep) |
Geophone type | Sercel jF-20DX, 12 per group |
Receiver interval | 50 m (linear pattern, 4.15 m geophone spacing) |
Line distance | 400 m |
Number of receivers | 3240 (all active) |
Instrument | Sercel system 428, v5 |
Recording | Unstacked, uncorrelated |
Trace length | 5 s (correlated) |
Sampling interval | 2 ms |