Abstract
Aquistore is an independent research project managed by the PTRC demonstrating the storage of carbon dioxide (CO2) deep underground in a brine sandstone formation. Results from the baseline MMV program are compared with measurements after the injection of 36,000 tonnes of CO2. Surface seismic results indicated excellent repeatability with baseline surveys; the data achieved a global NRMS of 10%, allowing for the detection of small amounts of CO2 at significant depths. Passive seismic monitoring detected no injection-induced seismicity. Post-injection groundwater and soil gas sampling was relatively unchanged, and indicate there are no signs of seepage of CO2 at the site.
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