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A preliminary sub-basin scale evaluation framework of site suitability for onshore aquifer-based CO{sub 2} storage in China

Journal Article · · INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
Development of a reliable, broadly applicable framework for the identification and suitability evaluation of potential CO{sub 2} storage sites is essential before large-scale deployment of carbon dioxide capture and geological storage (CCS) can commence. In this study, a sub-basin scale evaluation framework was developed to assess the suitability of potential onshore deep saline aquifers for CO{sub 2} storage in China. The methodology, developed in consultation with experts from the academia and the petroleum industry in China, is based on a multi-criteria analysis (MCA) framework that considers four objectives: (1) storage optimization, in terms of storage capacity and injectivity; (2) risk minimization and storage security; (3) environmental restrictions regarding surface and subsurface use; and (4) economic considerations. The framework is designed to provide insights into both the suitability of potential aquifer storage sites as well as the priority for early deployment of CCS with existing CO{sub 2} sources. Preliminary application of the framework, conducted using GIS-based evaluation tools revealed that 18% of onshore aquifer sites with a combined CO{sub 2} storage capacity of 746 gigatons are considered to exhibit very high suitability, and 11% of onshore aquifer sites with a total capacity of 290 gigatons exhibit very high priority opportunities for implementation. These onshore aquifer sites may provide promising opportunities for early large-scale CCS deployment and contribute to CO{sub 2} mitigation in China for many decades.
Research Organization:
National Energy Technology Laboratory - In-house Research
Sponsoring Organization:
USDOE Office of Fossil Energy (FE)
OSTI ID:
1129914
Report Number(s):
A-NETL-PUB-024
Journal Information:
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL, Journal Name: INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL Vol. 12
Country of Publication:
United States
Language:
English

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