Tesi etd-09062023-155811 |
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Tipo di tesi
Tesi di laurea magistrale
Autore
RAPAGNANI, GIACOMO
URN
etd-09062023-155811
Titolo
Modeling and analysis of microseismic data with Distributed Acoustic Sensing (DAS)
Dipartimento
SCIENZE DELLA TERRA
Corso di studi
GEOFISICA DI ESPLORAZIONE E APPLICATA
Relatori
relatore Grigoli, Francesco
relatore Carelli, Giorgio
relatore Bleibinhaus, Florian
relatore Carelli, Giorgio
relatore Bleibinhaus, Florian
Parole chiave
- das
- microseismic
- modeling
- seismology
Data inizio appello
20/10/2023
Consultabilità
Non consultabile
Data di rilascio
20/10/2026
Riassunto
In this thesis, I have developed a versatile travel-time calculator based on the solution of the Eikonal equation, and capable to manage various data acquisition geometries. These geometries include scenarios such as fiber cable deployment in both vertical and deviated boreholes. We then employ the computed travel times to generate synthetic DAS seismograms using a convolutional model, which can be used to 1) evaluate the detection and location capability of a particular data acquisition geometry, 2) test newly developed data analysis methods, and 3) train machine learning models. The travel-time calculator is finally used within waveform-based location methods to test its performance with DAS data.
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