Dissociation of Natural Gas Hydrates Observed by X-ray CT Scanner
| العنوان: | Dissociation of Natural Gas Hydrates Observed by X-ray CT Scanner |
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| المؤلفون: | Yoshihiro Masuda, Tohru Satoh, Takashi Uchida, Hideaki Takeda, Jun Mikami |
| المصدر: | Annals of the New York Academy of Sciences. 912:1011-1020 |
| بيانات النشر: | Wiley, 2006. |
| سنة النشر: | 2006 |
| مصطلحات موضوعية: | business.industry, General Neuroscience, Dissociation rate, Clathrate hydrate, Analytical chemistry, X-ray, Mineralogy, General Biochemistry, Genetics and Molecular Biology, Dissociation (chemistry), Methane, Chamber pressure, chemistry.chemical_compound, History and Philosophy of Science, chemistry, Natural gas, business, Hydrate |
| الوصف: | Core samples containing pore-space gas hydrate within granular sands were collected from 913.76 m of the research well named JAPEX/JNOC/GSC Mallik 2L-38. X-ray CT images of the core were acquired while warming from −18 to 4°C, and subsequently during stepped decreases of 0.1 MPa in the chamber pressure below the methane hydrate equilibrium pressure. Discharged gas flows and sample temperatures were monitored continuously. Changes in CT values indicated that gas hydrate dissociated simultaneously both on the exposed surfaces and within the pore spaces of the sample in response to pressure changes. This suggested that pressure reductions were effectively transmitted through the sample most likely because the samples contained some amount of fluids. The result of gas flow measurements indicated that a larger pressure drawdown caused a higher dissociation rate. |
| تدمد: | 1749-6632 0077-8923 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::8120099c928d5d63894c81d155799fd7 https://doi.org/10.1111/j.1749-6632.2000.tb06856.x |
| حقوق: | CLOSED |
| رقم الأكسشن: | edsair.doi...........8120099c928d5d63894c81d155799fd7 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 17496632 00778923 |
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