EAGE E-Lecture: Virtual Seismology: monitoring the subsurface with virtual sources and recivers by Kees Wapenaar

 

Pubblicato il 25 mar 2019

https://www.youtube.com/watch?v=QkbWXCvxs_w

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SEG UNIVERSITY OF PERUGIA CHAPTER EXPERIENCE AT IMAGE 2022 IN HOUSTON

The year that is approaching to finish, 2022, started full of positive hopes to be back doing congresses and seminars in presence and, finally, met people and professionals constrained to meet only online due to the worldwide spreading pandemic in 2020 and
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EAGE E-Lecture: Virtual Seismology: monitoring the subsurface with virtual sources and recivers by Kees Wapenaar

This E-Lecture introduces virtual seismology: monitoring the subsurface with virtual sources and receivers, which is a new methodology to create virtual sources and virtual receivers in the subsurface from reflection measurements at the earth’s surface. Unlike in seismic interferometry, no physical instrument (receiver or source) is needed at the position of the virtual source or receiver. Moreover, no detailed knowledge of the subsurface parameters and structures is required: a smooth velocity model suffices. Yet, the responses to the virtual sources, observed by the virtual receivers, fully account for multiple scattering. This method is not only useful for reflection imaging but is has also large potential for monitoring induced seismicity, characterizing the source properties and forecasting the response to potential future induced earthquakes. This will be demonstrated with numerical models and preliminary real-data results.​