Parallel numerical simulation on CO2 geologic storage in Ordos Basin,China |
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Authors: | LEI Honglei ZHANG Yanjun WU Fan HU Zhongjun YU Ziwang ZHU Chengcheng L Tianqi |
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Institution: | College of Construction Engineering, Jilin University, Changchun 130012, China |
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Abstract: | The authors developed a 3-D numerical injection model on parallel TOUGH 2-FLAC3D based on the site-specific stratigraphic information in Ordos Basin to simulate the Shenhua CO2 geological storage ( CGS ) demonstration project injection process for three years and forecast CO2 migration and layers displacement after injection for seven years .The results suggested that CO2 migration did not stop after three years of consecutive injection, but migration rate was slowing down with time .As a result, displacement near injection well in-creased with injection and decreased slowly after injection .The maximum displacement of surface center oc-curred near the end of injection , which was only 1.24 cm.According to the displacement result , it is safe to continue injecting for this project . |
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Keywords: | CGS Parallel numerical simulation CO2 migration surface displacement Ordos Basin |
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