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首頁» 往期文章» 2014» Issue 2» 石油工程與機(jī)械

Petroleum Science >2014,??Issue 2:??287-292 DOI: https://doi.org/10.1007/s12182-014-0342-5

Temperature distribution of fluids in a two-section two-phase closed thermosyphon wellbore Open?Access

文章信息

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作者：Zhang Yufeng,Zhao Lun,Fan Zifei,Wu Xiaodong,Fu Libing,Xu Bifeng,Kong Fanshun and Jiang Shengdong
作者單位：

Research Institute of Petroleum Exploration & Development, Beijing 100083, China;Research Institute of Petroleum Exploration & Development, Beijing 100083, China;Research Institute of Petroleum Exploration & Development, Beijing 100083, China;MOE Key Laboratory of Petroleum Engineering, China University of Petroleum, Beijing 102249, China;Research Institute of Petroleum Exploration & Development, Beijing 100083, China School of Energy Resources, China University of Geosciences, Beijing 100083, China;Research Institute of Petroleum Exploration & Development, Beijing 100083, China;Exploration and Development Research Institute, Petrochina Daqing Oilfield Company, Daqing, Heilongjiang 163000, China;Northeast Petroleum University, Daqing, Heilongjiang 163318, China

投稿時(shí)間：2012-12-23
引用方式：Zhang, Y., Zhao, L., Fan, Z. et al. Pet. Sci. (2014) 11: 287. https://doi.org/10.1007/s12182-014-0342-5

文章摘要

Compared with a conventional single section two-phase closed thermosyphon (TPCT) wellbore, a two-section TPCT wellbore has better heat transfer performance, which may improve the temperature distribution of fluid in wellbores, increase the temperature of fluid in wellheads and even more effectively reduce the failure rate of conventional TPCT wellbores. Heat transfer performance of two-section TPCT wellbores is affected by working medium, combination mode and oil flow rate. Different working media are introduced into the upper and lower TPCTs, which may achieve a better match between the working medium and the temperature field in the wellbores. Interdependence exists between the combination mode and the flow rate of the oil, which affects the heat transfer performance of a two-section TPCT wellbore. The experimental results show that a two-section TPCT wellbore, with equal upper and lower TPCTs respectively filled with Freon and methanol, has the best heat transfer performance when the oil flow rate is 200 L/h.

關(guān)鍵詞

    Two-section two-phase closed thermosyphon, temperature distribution, combination mode, heat transfer performance