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| 1 | Efficiency of enhanced oil recovery by injection of low-salinity water in barium-containing carbonate reservoirs显示文摘When low-salinity water containing sulfate ions is injected into carbonate reservoirs, rock dissolution and in situ precipitation occur, altering rock permeability and wettability. Particularly, when barium ions are present in formation water,they react chemically with SO_4^(-2), and BaSO_4 is precipitated. These reactions can cause a serious impact on the efficiency of enhanced oil recovery(EOR). Therefore, the main purpose of this study was to identify EOR efficiency induced by lowsalinity waterflooding(LSWF) when Ba^(2+) is present in carbonate reservoirs. From the experimental results, it was confirmed that the permeability calculated by the measured pressure difference was improved because of rock dissolution predominating over in situ precipitation for the case of low Ba^(2+) concentrations. In the analysis of wettability alteration through the measurements of relative permeabilities before and after LSWF, the higher Ba^(2+) concentration case consumed more SO_4^(-2) in precipitating the BaSO_4, resulting in weaker wettability alteration due to the reduction of sulfate activity.These phenomena ultimately influenced EOR efficiency, i.e., the oil recovery was greater for the lower Ba^(2+) concentration. | Hyemin Park Yongjun Park Yeonkyeong Lee Wonmo Sung | 2018 | Petroleum Science2018，15，4： | 2 |
| 2 | Brand Personality Structures in the United States and Korea: Common and Culture-Specific Factors显示文摘 | Yongjun Sung Spencer F. Tinkham | 2005 | Journal of Consumer Psychology2005，，4： | 2 |
| 3 | Brand Personality Structures in the United States and Korea: Common and Culture-Specific Factors显示文摘 | Yongjun Sung Spencer F. Tinkham | 2005 | Journal of Consumer Psychology2005，，4： | 1 |
| 4 | Follow Me! Global mar- keters' twitter use 显示文摘 | Eun Sook Kwon Yongjun Sung | 2011 | Journal of Interactive Advertising2011，12，1： | 1 |
| 5 | Brand Commitment in Consumer-brand Relationships: An Investment Model Approach显示文摘 | Sung Yongjun Campbell W K | 2009 | Journal of Brand Management2009，17，2： | 1 |
| 6 | 'An Explorative Study of Korean Consumer Participation inVirtual Brand Communities in Social Network Sites' 显示文摘 | Yongjun Sung Yoojung Kim Ohyoon Kwon Jangho Moon | | Journal of Global Marketing0，2010，： | 1 |
| 7 | An Explorative Study of Korean Consumer Participation in Virtual Brand Communities in Social Network Sites显示文摘 | Sung Yongjun Kim Yoojung Kwon Ohyoon | 2010 | Journal of Global Marketing2010，23，5： | 1 |
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