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| Geological storage of CO2:overseas demonstration projects and itsimplications to China |
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REN Shao ran1, ZHANG Li1,2, ZHANG Liang1
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(1.College of Petroleum Engineering in China University of Petroleum, Dongying 257061, China;2.Geological Science Research Institute of Shengli Oilfield, SINOPEC, Dongying 257015, China)
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| Abstract: |
| The technologies of CO2 geological storage in oil & gas reservoirs, coal beds and saline aquifers were introduced. The development of CO2 geo storage techniques in different geological sites and their advantages and disadvantages were analyzed. The main ongoing and proposed CO2 storage projects around the world were described. The implications of these projects to China were analyzed in terms of the purpose of the projects, CO2 sources, storage site selection, project funding, and public and government acceptance of these projects. As a main energy consuming country in the world, China should strengthen international cooperation on the development of CO2 storage technology. It is suggested that China should carry out some demonstration projects in oilfield storage and enhanced oil recovery in the first phase, and conduct assessments of storage sites and storage capacity in main sediment basins, meanwhile pay more attention to saline aquifer storage, and study CO2 storage mechanisms in saline aquifers. It should be encouraged to develop various equipment and techniques relevant to carbon capture and storage, and propose reasonable carbon tax to restrict CO2 emissions. |
| Key words: CO2 greenhouse gas carbon capture and storage(CCS) geological storage demonstration project |
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