Noise suppression in surface microseismic data
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Abstract
We introduce a passive noise suppression technique, based on the τ − p transform. In the τ − p domain, one can separate microseismic events from surface noise based on distinct characteristics that are not visible in the time-offset domain. By applying the inverse τ − p transform to the separated microseismic event, we suppress the surface noise in the data. Our technique significantly improves the signal-to-noise ratios of the microseismic events and is superior to existing techniques for passive noise suppression in the sense that it preserves the waveform.
We introduce a passive noise suppression technique, based on the τ − p transform. In the τ − p domain, one can separate microseismic events from surface noise based on distinct characteristics that are not visible in the time-offset domain. By applying the inverse τ − p transform to the separated microseismic event, we suppress the surface noise in the data. Our technique significantly improves the signal-to-noise ratios of the microseismic events and is superior to existing techniques for passive noise suppression in the sense that it preserves the waveform.
Publication type | Article |
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Publication Subtype | Journal Article |
Title | Noise suppression in surface microseismic data |
Series title | The Leading Edge |
DOI | 10.1190/tle31121496.1 |
Volume | 31 |
Issue | 12 |
Year Published | 2012 |
Language | English |
Publisher | Society of Exploration Geophysicists |
Publisher location | Tulsa, OK |
Contributing office(s) | Central Energy Resources Science Center |
Description | 6 p. |
First page | 1496 |
Last page | 1501 |
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