| Autor: |
J. Chelminski, Boris Kuvshinov, F. Lam, Guido Baeten, D. Chavan, Shuki Ronen, F. Ten Kroode, F. Chelminski, Steve Chelminski |
| Rok vydání: |
2020 |
| Předmět: |
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| Zdroj: |
EAGE 2020 Annual Conference & Exhibition Online. |
| Popis: |
Summary We have tested a new marine source whose initial volume of up to 100 times the volume of a conventional airgun produces low-frequency bubble oscillations with a resonance in the order of 3 Hz. The resulting improvement in low frequency output is in the order of 40 dB when compared to a single airgun, without any increase in peak pressure and a significant reduction in the slope of the pressure. A correction procedure for the effect of the rising bubble was developed, yielding improved correlation between the observed bubble resonance with the well-known Rayleigh-Willis scaling. The data from the testing indicate that low-pressure high-volume pneumatic sources will provide better low frequency signal and have lower environmental impact compared to high pressure airguns. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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