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Real-time detection of microseismic events using surface arrayNormal access

Authors: E. Rebel, A. Richard, J. Meunier and E. Auger
Event name: Third EAGE Passive Seismic Workshop - Actively Passive 2011
Session: Monitoring II
Publication date: 27 March 2011
DOI: 10.3997/2214-4609.20145303
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 377.57Kb )
Price: € 20

Summary:
A method based on waveform inversion has been developed in order to locate and provide the focal mechanisms of microseismic events from the continuous records of dense surface seismic arrays. A step of detection is used prior to waveform inversion to enable data processing in real-time. In this method, after preliminary analysis of a reference sh ot by an operator, detection, localization and source mechanism characterization are automatic. The expertise of the operator is needed a second time to validate or reject detected and located microseismic events.


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