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Petroleum Science >2009,??Issue 3:??289-293 DOI: https://doi.org/10.1007/s12182-009-0046-4

Aquathermolysis of conventional heavy oil with superheated steam Open?Access

文章信息

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作者：Song Guangshou,Zhou Tiyao,Cheng Linsong,Wang Yunxian,Tian Guoqing,Pi Jian and Zhang Zheng
作者單位：

Department of Geology, Northwest University, Xi’an, Shaanxi 710069, China;Key Laboratory of Petroleum Engineering, Ministry of Education, China University of Petroleum, Beijing 102249, China;Key Laboratory of Petroleum Engineering, Ministry of Education, China University of Petroleum, Beijing 102249, China;China National Offshore Oil Co. Ltd-Tianjin, Tianjin 300452, China;Key Laboratory of Petroleum Engineering, Ministry of Education, China University of Petroleum, Beijing 102249, China； NO.6 Oil Production Plant, PetroChina Changqing Oilfield Company, Xi'an, Shaanxi 710018, China;Key Laboratory of Petroleum Engineering, Ministry of Education, China University of Petroleum, Beijing 102249, China； Research Center, China National Offshore Oil Corporation, Beijing 100027, China;Key Laboratory of Petroleum Engineering, Ministry of Education, China University of Petroleum, Beijing 102249, China

投稿時(shí)間：2008-04-17
引用方式：Song, G., Zhou, T., Cheng, L. et al. Pet. Sci. (2009) 6: 289. https://doi.org/10.1007/s12182-009-0046-4

文章摘要

This paper presents a new aquathermolysis study of conventional heavy oil in superheated steam. A new high temperature autoclave was designed, where volume and pressure could be adjusted. Aquathermolysis was studied on two different conventional heavy oil samples under different reaction
times and temperatures. Experimental results show that aquathermolysis does take place for conventional heavy oil. As reaction time increases, the oil viscosity reduces. However, the reaction will reach equilibrium after a certain period of time and won’t be sensitive to any further reaction time any more. Analysis shows that, while resin and asphaltenes decrease, saturated hydrocarbons and the H/C ratio increase after reaction. The main mechanism of aquathermolysis includes hydrogenization, desulfuration reaction of resin and asphaltenes, etc.

關(guān)鍵詞

    Conventional heavy oil, superheated steam, aquathermolysis, viscosity reduction