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Effects of Aqueous Solubility and Molecular Diffusion on CO2-Enhanced Hydrocarbon Recovery and Storage from Liquid-Rich Shale Reservoirs

Title
Effects of Aqueous Solubility and Molecular Diffusion on CO2-Enhanced Hydrocarbon Recovery and Storage from Liquid-Rich Shale Reservoirs
Author
이지호
Keywords
Shale reservoir; aqueous solubility; aqueous molecular diffusion; CO2 storage; CO2 Huff and Puff
Issue Date
2018-11
Publisher
TAYLOR & FRANCIS INC
Citation
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS, v. 41, no. 10, page. 1230-1241
Abstract
This study investigates the effects of aqueous solubility and aqueous molecular diffusion of gaseous components (CO2 and CH4) on the CO2 huff and puff process in the liquid-rich shale reservoirs. In a gas-condensate reservoir, the effects negligibly enhance the hydrocarbon production, but increase the CO2 storage with 4.4% by solubility trapping. In a shale oil reservoir, they increase the production and CO2 storage up to 5% and 14% by more CO2 imbibition and contacting between CO2 and oil. This study clarifies the importance of aqueous solubility and aqueous-phase molecular diffusion of CO2 huff and puff in shale reservoirs.
URI
https://www.tandfonline.com/doi/abs/10.1080/15567036.2018.1545000?journalCode=ueso20https://repository.hanyang.ac.kr/handle/20.500.11754/120579
ISSN
1556-7036; 1556-7230
DOI
10.1080/15567036.2018.1545000
Appears in Collections:
RESEARCH INSTITUTE[S](부설연구소) > ETC
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