天然气水合物储层渗透率研究进展
作者简介:曾家明(1995-),男,硕士研究生,主要从事天然气水合物储层渗透率研究。李栋梁(1976-),男,博士,研究员,硕士生导师,主要从事天然气水合物研究。
收稿日期: 2020-07-30
要求修回日期: 2020-10-30
基金资助
广东省促进经济发展专项资金(海洋经济发展用途)项目(GDOE[2019]A39,GDOE[2019]A41,GDOE[2019]A54)
国家自然科学基金项目(51661165011)
广东省自然科学基金项目(2018B0303110007)
广州市珠江科技新星专题项目(201806010114)
广州市科技计划项目(201707010252)
Research Progress on Permeability of Natural Gas Hydrate Sediments
Received date: 2020-07-30
Request revised date: 2020-10-30
Copyright
曾家明 , 李栋梁 , 梁德青 , 卢静生 , 关进安 . 天然气水合物储层渗透率研究进展[J]. 新能源进展, 2021 , 9(1) : 25 -34 . DOI: 10.3969/j.issn.2095-560X.2021.01.004
Natural gas hydrate (NGH) is an environmentally friendly, efficient and huge reserves resource with great potential. The permeability of NGH reservoir is one of the key factors that determine the gas product efficiency of recovery. At present, a large number of studies on permeability of NGH reservoirs have been conducted. In this paper, the permeability research methods from the aspects of numerical simulation, field test, and experimental research were summarized. The effects of porosity, saturation, stress and strain on reservoir permeability were analyzed. The challenge faced by the research on NGH reservoir, such as the differences between artificial NGH sediments with natural reservoirs, different porous media with different stress sensitivity, insufficient research on multi-phase flow, and insufficient research on reservoir permeability reformation, were also discussed. The future research direction was finally prospected.
Key words: natural gas hydrate; permeability; saturation; numerical simulation
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