Seismic Sources

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Seismic Sources

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Seismic Sources. Unconventional Sources. Earthquakes. Quarry Blasts. Ambient Noise (trains, traffic). Hawman et al., 1999. Source Spectra. Explosives. Det cord. Seismic gel. Blasting Caps. Shot Hole Drilling. Portable Drill Rigs. Seismic Coupling Air vs In-Ground. - PowerPoint PPT Presentation

Transcript of Seismic Sources

Page 1: Seismic Sources

Seismic Sources

Page 2: Seismic Sources

Unconventional Sources

Earthquakes

Quarry Blasts

Ambient Noise(trains, traffic)

Hawman et al., 1999

Page 3: Seismic Sources

Source Spectra

Page 4: Seismic Sources

ExplosivesSeismic gel

Det cord

Blasting Caps

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Shot Hole Drilling

Page 6: Seismic Sources

Portable Drill Rigs

Page 7: Seismic Sources

Seismic CouplingAir vs In-Ground

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Explosive SourceNoise Generation vs Depth

Depth

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Shallow “Gun” Sources

“Betsy”

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Weight Drops

Page 11: Seismic Sources

Hammer

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Shallow Source Comparison

Mijller et al.,

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Vibroseis

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Vibroseis Signal

Page 15: Seismic Sources

Dynamite vs Vibroseis

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Marine Sources

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Bubble Pulse

BP cancellation

Page 18: Seismic Sources

Source Strength


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