LOW FREQUENCY AND ULTRA LOW FREQUENCY SEISMIC SOURCE HAVING MULTIPLE OPERATING HEADS FOR MARINE EXPLORATION
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United States of America Patent
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Issued Date -
Aug 12, 2021
app pub date -
Nov 7, 2020
filing date -
Feb 7, 2020
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Abstract
A seismic source having two or more operating heads with a firing chamber pressure vessel of compressed air for generating seismic oscillations at low and ultra-low frequencies (ULF) for marine seismic exploration. The multi-headed sound source increases low frequency signal in ranges from below 1 Hz to around 7 Hz to provide greater penetration of the seismic signal through complex overburden such as salt or basalt, improve velocity model building with methods such as Full Wave Inversion, improve the ability to build blocky reservoir models, and improve resolution by reducing side lobes.
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