Dr Sam Jackson

Oral presentation: Characterising deep fault systems using distributed strain sensing at the In-Situ Laboratory, Western Australia

Sam Jackson

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Abstract opening:
CO2 storage in deep subsurface formations induces pore-pressure build up with associated changes in the host formation geomechanical stress and strain. Localised stress changes can induce micro-seismicity, and when interacting with fault systems could cause fault reactivation and potential leakage pathways if the fault is previously sealing. Alternatively, if the fault is non-sealing, fluids could migrate up the fault and potentially exit the storage complex. As the number of CO₂ storage projects grows globally, interaction with fault systems becomes inevitable. As such, it is crucial that such cases can be successfully characterised, monitored, and CO₂ can be safely stored…

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