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Benefits of Microseismic Monitoring for CO2 Storage / Staff Writer
This helps operators mitigate the associated potential risks.
Microseismicity is monitored at several CO2 storage sites around the world, including: In Salah (Algeria), Decatur (Illinois, U.S.) and Longyearbyen CO2Lab (Svalbard).
Problems Detecting Microseismic Events: In most cases the CO2 injection induced very weak seismic events, only detectable by shallow-buried near-surface or downhole sensors. Microseismic monitoring helps assess the potential for induced seismicity that may affect local infrastructure and communities near the site.
Reducing the Cost of Microseismic Monitoring: In addition to 2D and 3D onshore seismic acquisition and processing, The Geophysical Institute of Israel is developing methods to detect microseismic events using near-surface sensors, thus reducing the cost of microseismic monitoring while preserving the required regulatory insight and providing additional information for the operators.