F201 産総研におけるCO_2地中貯留研究 : 平成22年度からの産総研第3期での研究(OS11 温暖化対策とCO_2削減技術),動力エネルギーシステム部門20周年,次の20年への新展開)

概要

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The storage into the saline aquifer is a feasible option in the CO_2 geological storage but there remain unsolved problems. The further understanding of CO_2 movement and storage mechanism is needed in the saline aquifer. During the 2^<nd> AIST research phase, we have developed technologies for the CO_2 geological storage. At the 3^<rd> phase starting in 2010, we focus on the CO_2 monitoring technology in the saline aquifer and the evaluation of the risk assessment. In the monitoring development geoelectric and geomagnetic methods are being investigated as another option of the seismic reflective method, which detects the precious velocity change due to the CO_2 storage but needs high cost. Leakage process through micro fault and capillary in the cap rocks are being studied. The modeling technology development including faults is also carried out as parts of the development of the risk assessment.
2010-06-20