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海底天然气水合物相平衡的影响因素

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文章导航 > 海洋地质前沿 > 2011 > 27(5): 16-23

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刘伟, 金翔龙, 初凤友, 方银霞, 杨克红. 海底天然气水合物相平衡的影响因素[J]. 海洋地质前沿, 2011, 27(5): 16-23.
引用本文: 刘伟, 金翔龙, 初凤友, 方银霞, 杨克红. 海底天然气水合物相平衡的影响因素[J]. 海洋地质前沿, 2011, 27(5): 16-23.
shu
LIU Wei, JIN Xianglong, CHU Fengyou, FANG Yinxia, LI Qi. RESEARCH ON INFLUENCING FACTORS OF GAS HYDRATE PHASE EQUILIBRIUM IN MARINE SEDIMENTS[J]. Marine Geology Frontiers, 2011, 27(5): 16-23.
Citation: LIU Wei, JIN Xianglong, CHU Fengyou, FANG Yinxia, LI Qi. RESEARCH ON INFLUENCING FACTORS OF GAS HYDRATE PHASE EQUILIBRIUM IN MARINE SEDIMENTS[J]. Marine Geology Frontiers, 2011, 27(5): 16-23.
shu

海底天然气水合物相平衡的影响因素

  • 1 中国地质大学(北京)海洋学院, 北京 100083;

  • 2 国家海洋局第二海洋研究所海底科学重点实验室, 杭州 310012

  • 基金项目:

    国家海洋局第二海洋研究所基本科研业务专项(JG1002)

详细信息
    作者简介: 刘伟(1982-),男,在读博士,主要从事大陆边缘海沉积及地球化学等相关研究.E-mail:silveramber@163.com

  • 中图分类号: TE135

RESEARCH ON INFLUENCING FACTORS OF GAS HYDRATE PHASE EQUILIBRIUM IN MARINE SEDIMENTS

  • 1 School of Marine Geosciences, China University of Geosciences, Beijing 100083, China;

  • 2 Key Laboratory of Submarine Geosciences, China Second Institute of Oceanography, SOA, Hangzhou 310012, China

    摘要
  • 海底沉积物中蕴含着大量的天然气水合物资源。天然气水合物相平衡及其影响因素研究对海底沉积物中水合物的成藏热力学和动力学研究、分布范围和储量估算均具有十分重要的意义。目前关于水合物相平衡影响因素研究大多局限于定性或半定量分析,对不同因素的影响程度及机理关注较少。收集整理了气体组分、孔隙水盐度及离子组分、沉积物粒度和孔隙半径等因素对天然气水合物相平衡的影响,并从气体溶解度、海水化学、沉积物孔隙度等角度对上述因素进行了初步的探讨。
    There is a large number of natural gas hydrate (NGH) resources occurred in marine sediments. The study of phase equilibrium of gas hydrate and its influencing factors is of significance to the thermodynamics and kinetics, distribution pattern and resource assessment of gas hydrate. However, the research results up to the present remain qualitative or semi-quantitative, and not much attention has been paid to the influence degree and genetic mechanisms of different factors. Recent researches suggest that there are some other ingredients which may influence the phase equilibrium of NGH in addition to temperature and pressure, such as gas composition, pore fluid salinity as well as sediment grain and pore size. In this paper,preliminary discussion was given to these factors from the view point of gas solubility, water chemistry and sediment porosity.
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收稿日期:  2011-02-23

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