In-situ observation of MH formation/decomposition in unconsolidated sands recovered from the South China Sea

被引：3
|
作者：
Sun, Ronghui [1 ]
Fan, Zhen [2 ]
Yang, Mingjun [1 ]
Zhao, Jiafei [1 ]
Song, Yongchen [1 ]
机构：
[1] Dalian Univ Technol, Minist Educ, Key Lab Ocean Energy Utilizat & Energy Conservat, Dalian 116024, Peoples R China
[2] Univ Glasgow, Sch Chem, Glasgow G12 8QQ, Lanark, Scotland
来源：
INNOVATIVE SOLUTIONS FOR ENERGY TRANSITIONS | 2019年 / 158卷
基金：
中国国家自然科学基金;
关键词：
methane hydrates; formation; dissociation; interactions; host materials; GAS HYDRATE;
D O I：
10.1016/j.egypro.2019.01.605
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Methane hydrates (MH) have been viewed as an important potential energy resource. Assessments about the MH formation and dissociation behavior in porous deposits which are consistent to in-situ reservoir conditions are essential for the safe and efficient production of natural gas hydrates in submarine sediments. In this study, the formation and decomposition behavior of MH in unconsolidated sands recovered from the South China Sea were investigated by the charge-coupled-device (CCD) camera visualization. Deformation of the sediment was observed during both ME formation and decomposition processes. The experimental results indicated that the interactions between MH and the host porous materials during the phase-transition processes could play an important role for the deformation of the sediment. Thus, further studies are needed. (C) 2019 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：5433 / 5438
页数：6
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