A pressure-monitoring method to warn CO2 leakage in geological storage sites |
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Authors: | Yong-Chan Park Dae-Gee Huh Chan-Hee Park |
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Institution: | 1. Korea Institute of Geoscience and Mineral Resources (KIGAM), Daejeon, 305-350, Republic of Korea
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Abstract: | This paper proposes a pressure-monitoring method to warn any possible CO2 leakage by monitoring pressure change at the upper layer of storage reservoirs within injection wells. The monitoring method is tested with two problems under various scenarios. With a current pressure detection limit, the proposed pressure-monitoring technique can be widely applicable wherever a permeable upper formation exists above the CO2 storage reservoir and is effective even in offshore storage sites wherever conventional monitoring methods for onshore sites cannot be applied. Meanwhile, the method is limited to apply during injection and is subject to any possible pressure dampening. |
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