Advanced Transport in Porous Media for CO₂ Storage and EOR

Dear Colleagues,

Carbon reduction has become the main issue facing the development of human society at present. Massive emissions of CO₂, as a kind of greenhouse gas, will increase the greenhouse effect in the atmosphere, leading to the further deterioration of the environment that humans rely on for survival. Therefore, the effective storage of CO₂ is an important measure to address global climate change. Carbon dioxide capture, utilization, and storage (CCUS) technology is an industrial process that separates CO₂ from industry, energy utilization, or the atmosphere and directly utilizes or injects it into geological formations to reduce CO₂ emissions. It is widely recognized as the most cost-effective measure to reduce greenhouse gas emissions in the international community today, and is expected to contribute to about one-third of carbon emission reduction by 2050. Previous research results have shown that oil and gas reservoirs are the best places for carbon utilization and storage. In the past 40 years, approximately 1 billion tons of CO₂ have been injected into oil and gas reservoirs worldwide through CCUS technology, which not only enhances the oil recovery of depleted reservoirs, but also achieves the permanent geological storage of CO₂, with extremely high social and economic benefits. Based on the above analysis, it can be seen that the CCUS technology in the oil and gas industry can effectively enhance the final oil recovery of oil and gas reservoirs and can increase oil and gas production to provide sustainable energy security for social development. Moreover, it can efficiently sequester CO₂ from different sources and can reduce carbon emissions to provide a geological basis for the achievement of carbon peaking and carbon neutrality goals. Its research has a dual role in the industrial utilization and strategic storage of CO₂, with broad market application prospects, and is also an important trend for the efficient and green development of unconventional oil and gas reservoirs.

This Special Issue aims to present and disseminate the most recent advances related to the theory, mechanism, modelling, method, technology, application, and influence factor of CO₂ storage and EOR in porous media of oil and gas reservoir.

Dr. Fengqi Tan
Guest Editor

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• CO₂ storage mechanism
• quantitative calculation of CO₂ storage capacity
• numerical simulation of CO₂ storage characteristics
• microscopic pore structure of reservoir
• seepage system of pores and throats
• CO₂ oil displacement mechanism
• enhanced oil recovery
• CO₂ miscible displacement
• Carbon capture, utilization, and storage (CCUS)
• Type and capacity of CO₂ storage
• Chemical and physical storage mechanisms
• Monitoring technology of CO₂ storage safety
• Numerical simulation of CO₂ storage potential
• CO₂ oil displacement mechanism
• CCUS-enhanced oil recovery
• CO₂ miscible conditions
• Seepage system of micro pores and throats
• Characteristics of unconventional oil and gas reservoirs
• Interaction of rock–water–crude oil -CO₂ in porous media
• CO₂ emission reduction and environmental effect