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Passive Seismic Monitoring of Fluid Injection at the Longyearbyen CO2-Lab, SvalbardNormal access

Authors: P. Zhao, V. Oye, A. Braathen and S. Olaussen
Event name: Third EAGE CO2 Geological Storage Workshop
Session: Poster Session 1
Publication date: 26 March 2012
DOI: 10.3997/2214-4609.20143836
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 960.28Kb )
Price: € 20

Summary:
yen is considered physically open, and, therefore, will likely experience drift of the injected CO2 towards the Northeast, through gradual mixing and expulsion of saline groundwater. This offers a unique opportunity for studying the behavior of CO2 in subsurface saline aquifers. Six slim-hole wells have been drilled so far and several new monitoring wells are planned in what becomes a “well park”. In this study, we try to use induced seismicity to monitor the injection fluid in the test site. A precise estimation of the location and magnitude of the microearthquake will be important to investigate the link between the injection and the sudden stress release as a microearthquake. In addition, the spatial and temporal patterns of the occurrences of microearthquakes might help us better constrain the migration pattern of the injected fluid.


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