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Surface Seismic Monitoring of Near Surface CO2 Injection at Svelvik - Synthetic StudyNormal access

Authors: A. Romdhane, E. Querendez and P. Eliasson
Event name: 24th European Meeting of Environmental and Engineering Geophysics
Session: Hydrogeophysics A & Studies for Geothermal Energy and CO2 Storage A
Publication date: 09 September 2018
DOI: 10.3997/2214-4609.201802606
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 1.59Mb )
Price: € 20

Summary:
A synthetic study to evaluate the performance of surface seismic monitoring to monitor CO2 injection at 65m depth at the Svelvik field lab is conducted using a realistic geological model where effects due to complex topography and heterogeneous overburden are accounted for. We evaluate the performance a full waveform algorithm to monitor the migration of the injected CO2 plume. The preliminary results show that a very good baseline characterisation is of critical importance. In addition, the presence of strong diffractors on the weathered zone can have an important impact on the models that can be derived using full waveform inversion.


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