古地理学报2019，Vol.21Issue(1)：107-126,20.DOI:10.7605/gdlxb.2019.01.006
未来接替能源——天然气水合物面临的挑战与前景
Future alternative energy: Challenges and prospects of natural gas hydrate
摘要
Abstract
Natural gas hydrates have represented a huge resource potential as an alternative fossil fuel. It is the focus of the world that how to scientifically estimate, and safely and economically extract natural gas hydrates. Based on systematic analysis of the four development stages of global gas hydrate research and the author's research experience on natural gas hydrates in the South China Sea for nearly 20 years, multiple difficulties have been cleared including complicated tectonic and sedimentary setting, various depositional processes and types, and difficulty of characterization for the natural gas hydrates in the South China Sea. This paper points out six geological issues and bottlenecks faced by natural gas hydrate research in the South China Sea: Genetic correlation of the sequence divisions in the Neogene, thickness of the stable zone and the hydrate accumulation mechanism, hydrodynamic complex on the shelf margins and varia-ble sedimentary systems, hydrate distribution and sedimentation response, controlling of structure movements to the gas hydrates, and hydrate accumulation model and identification evaluation system. Advantages and disadvantages of the current gas hydrate resource estimation process and the key theoretical and technical problems are also discussed in this study. From the geological points, possibility and prospect of the expected arrival of gas hydrate as an alternative energy source, as well as the geological characteristics of the South China Sea and the distribution law of natural gas hydrates have been answered. All above, this study clarifies that the natural gas hydration research is not unrealistically or mandatory pessimism.关键词
天然气水合物/接替能源/环境变化/沉积物重力流/沉积速率/南海北部陆坡Key words
gas hydrate/replaced fossil fuel/environment change/sedimentary gravity flow/sedimentary rate/northern slope of South China Sea分类
能源科技引用本文复制引用
于兴河,付超,华柑霖,孙乐..未来接替能源——天然气水合物面临的挑战与前景[J].古地理学报,2019,21(1):107-126,20.基金项目
中国地质调查局项目(编号:GZH2011003-05-02-02)资助.Financially supported by the China Geological Survey Project (No.GZH2011003-005-02-02) （编号:GZH2011003-05-02-02）
