化工进展 ›› 2018, Vol. 37 ›› Issue (02): 505-516.DOI: 10.16085/j.issn.1000-6613.2017-1006

• 能源加工与技术 • 上一篇    下一篇

水合物生成诱导期研究进展

雍宇1, 史博会1, 丁麟1, 李文庆2, 柳扬1, 宋尚飞1, 宫敬1   

  1. 1 中国石油大学(北京)油气管道输送安全国家工程实验室, 石油工程教育部重点实验室, 城市油气输配技术北京市重点实验室, 北京 102249;
    2 中国石油技术开发公司, 北京 100028
  • 收稿日期:2017-05-25 修回日期:2017-06-25 出版日期:2018-02-05 发布日期:2018-02-05
  • 通讯作者: 史博会,博士,讲师,硕士生导师,主要从事油气多相管流及水合物流动保障技术和油气田集输工艺技术的研究。
  • 作者简介:雍宇(1994-),男,硕士研究生,研究方向为天然气水合物浆液多相流及深海油气流动安全保障。
  • 基金资助:
    国家自然科学基金(51534007,51306208,51274218)、国家重大科技专项(2016ZX05028004-001,2016ZX05066005-001)、国家重点研发计划(2016YFC0303704)及中国石油大学(北京)科研基金(C201602)项目。

Research progress of hydrate formation induction time

YONG Yu1, SHI Bohui1, DING Lin1, LI Wenqing2, LIU Yang1, SONG Shangfei1, GONG Jing1   

  1. 1 State Key Laboratory of Pipeline Safety, MOE Key Laboratory of Petroleum Engineering, Beijing Key Laboratory of Urban Oil and Gas Distribution Technology, China University of Petroleum(Beijing), Beijing 102249, China;
    2 China Petroleum Technology & Development Corporation, Beijing 100028, China
  • Received:2017-05-25 Revised:2017-06-25 Online:2018-02-05 Published:2018-02-05

摘要: 水合物生成诱导期是用于表征水合物生成过程的重要参数,其研究对于水合物风险控制和水合物技术应用具有重要意义。本文从研究方法、水合物客体分子类型、研究内容和诱导期分布等4个方面总结回顾了国内外近期开展的水合物生成诱导期研究概况,表明其主要围绕诱导期定性影响因素的分析和诱导期定量表征模型的建立两方面展开。介绍了诱导期的主要定性影响因素及其对诱导期的影响规律,阐述了不同类型诱导期定量表征模型的建立过程及其适用范围。结果说明,目前对于水合物生成诱导期定性影响因素的分析研究系统性不强,需要从微观角度对水合物生成及成核机理本质展开进一步研究,而所建立的诱导期定量表征模型也大都只适用于特定条件下的水合物生成诱导期预测。

关键词: 水合物, 诱导期, 成核, 分子模拟, 定性影响, 定量表征

Abstract: The induction time of hydrate formation is an important parameter for the characterization of hydrate formation process, the research of which is of great significance for controlling of hydrate risk and application of hydrate technology. In this paper, the researches of hydrate formation induction time in recent years were reviewed from four aspects including the research methods, hydrate guest gas types, research contents and the induction time distribution. The results showed that it mainly revolved around two aspects including the analysis of qualitative influencing factors and the establishment of quantitative characterization models. The main qualitative factors influencing the induction time and their influence on the induction time were summarized. The establishment process and applicable scope of the quantitative characterization models were analyzed. Overall, the research and analysis of qualitative influencing factors of hydrate formation induction time were relatively unsystematic and a further study on hydrate formation and nucleation mechanism from the micro perspective was needed, while the existing quantitative characterization models were only applicable for the prediction of induction time in specific conditions. At last, the future research suggestions for hydrate formation induction time were proposed.

Key words: hydrate, induction time, nucleation, molecular simulation, qualitative influence, quantitative characterization

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