中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Study on methane hydrate distributions in laboratory samples by electrical resistance characteristics during hydrate formation

文献类型:期刊论文

作者He, Juan2,3,4,5; Li, Xiaosen3,4,5; Chen, Zhaoyang3,4,5; Li, Qingping1; Zhang, Yu3,4,5; Wang, Yi3,4,5; You, Changyu2,3,4,5
刊名JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING
出版日期2020-08-01
卷号80页码:12
关键词hydrate distributions electrical resistance changes deionized water resistance ratio net increase of resistance temperature distributions
ISSN号1875-5100
DOI10.1016/j.jngse.2020.103385
通讯作者Chen, Zhaoyang(chenzy@ms.giec.ac.cn)
英文摘要To determine hydrate distributions in laboratory samples, a 5.701 L cylindrical reactor was designed and fabricated to synthesize hydrate-bearing samples with the excess-water method. The influences of temperature, water content, gas content, and electrode distance on the changing rules of electrical resistance, as well as measuring electrical resistance in nine samples, were systematically studied. The results indicated that the electrical resistance was increased with decreasing temperature, reducing water content or increasing gas content in deionized water settings, resembling electrical resistance changes in brine system. These rules were further used to analyze electrical resistance characteristics in the whole process of preparing and forming hydrate-bearing samples. Fresh hydrate formation was found to govern the electrical resistance increases after the induction periods. Resistance ratio and net increase of resistance analyses showed that the hydrate distributions in the samples with small hydrate saturations suffered more heterogeneity. Hydrate distributions in the samples with small and large hydrate saturations were inferred to be mass-like and rod-like, respectively. In addition, the dissociation of a sample (S-h = 19.46%) by depressurization confirmed more hydrates were dispersed near the right side of this cylindrical sample, which was in agreement with the result from electrical resistance analysis. Since hydrate distributions affected the outcomes of physical simulations, this work may offer some references to similar studies.
WOS关键词NATURAL-GAS HYDRATE ; POROUS-MEDIA ; THERMAL-STIMULATION ; DEPRESSURIZATION ; DISSOCIATION ; RESISTIVITY ; SEDIMENT ; RECOVERY ; DECOMPOSITION ; SATURATION
资助项目National Natural Science Foundation of China[51576202] ; National Natural Science Foundation of China[51736009] ; National Key R&D Program of China[2016YFC0304002] ; Special Project for Marine Economy Development of Guangdong Province[GDME-2018D002] ; CAS Science and Technology Apparatus Development Program[YZ201619]
WOS研究方向Energy & Fuels ; Engineering
语种英语
WOS记录号WOS:000549566600003
出版者ELSEVIER SCI LTD
资助机构National Natural Science Foundation of China ; National Key R&D Program of China ; Special Project for Marine Economy Development of Guangdong Province ; CAS Science and Technology Apparatus Development Program
源URL[http://ir.giec.ac.cn/handle/344007/27414]  
专题中国科学院广州能源研究所
通讯作者Chen, Zhaoyang
作者单位1.CNOOC Res Inst, State Key Lab Nat Gas Hydrates, Beijing 100028, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
4.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Peoples R China
5.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Peoples R China
推荐引用方式
GB/T 7714
He, Juan,Li, Xiaosen,Chen, Zhaoyang,et al. Study on methane hydrate distributions in laboratory samples by electrical resistance characteristics during hydrate formation[J]. JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING,2020,80:12.
APA He, Juan.,Li, Xiaosen.,Chen, Zhaoyang.,Li, Qingping.,Zhang, Yu.,...&You, Changyu.(2020).Study on methane hydrate distributions in laboratory samples by electrical resistance characteristics during hydrate formation.JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING,80,12.
MLA He, Juan,et al."Study on methane hydrate distributions in laboratory samples by electrical resistance characteristics during hydrate formation".JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING 80(2020):12.

入库方式: OAI收割

来源:广州能源研究所

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