Analysis and Cognition of the Technical and Economic Characteristics of the Whole Industrial Chain of CCUS-EOR-Taking the Project at Daqing OilField as an Example
CCUS-EOR(CO2 Capture,Utilization,and Storage-Enhanced Oil Recovery)technology is not only an important way to achieve"carbon peak and carbon neutrality"in China,but also a strategic replacement technology to significantly improve oil recovery in low permeability oil fields.Taking the million-ton CCUS-EOR demonstration project at Daqing Oilfield as an example,the paper expounds the technical route of the million-ton CCUS-EOR demonstration project at Daqing Oilfield from such three aspects as capture,transportation,oil displacement and storage,establishes the economic evaluation method and model of the whole industrial chain of CCUS-EOR on the basis,analyzes the composition and sensitivity of cash outflow in the whole chain of CCUS-EOR as an important point,and proposes measures to improve the economic benefits of the whole CCUS-EOR industry chain in terms of technology and policy according to the economic characteristics of each link in order to promote the construction of the upstream and downstream integration benefits of CCUS-EOR projects.
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