A dissociation behavior of methane hydrate-bearing sediment using high-speed X-ray CT scanner

Yasushi Kamata, Mitsutaka Sato, Shinji Ono, Takao Ebinuma, Jiro Nagao, Hideki Minagawa, Ryo Omura, Hideo Narita

研究成果: Conference contribution

抄録

A core holder was installed in a High-Speed X-ray CT scanner to observe the dissociation behavior of methane hydrate-bearing sediment. Artificial methane hydrate-bearing sediment was made and dissociated by the depressurization method. As a result, pore pressure in the sediment decreased immediately and the sediment temperature decreased proportionally to dissociation pressure. The CT luminance value decreased with the decomposition because hydrates in the sediment pore space replaced by methane gases.

本文言語English
ホスト出版物のタイトルProceedings of the International Offshore and Polar Engineering Conference
ページ351-354
ページ数4
出版ステータスPublished - 2005
外部発表はい
イベント15th International Offrshore and Polar Engineering Conference, ISOPE-2005 - Seoul, Korea, Republic of
継続期間: 2005 6 192005 6 24

出版物シリーズ

名前Proceedings of the International Offshore and Polar Engineering Conference
2005
ISSN(印刷版)1098-6189
ISSN(電子版)1555-1792

Other

Other15th International Offrshore and Polar Engineering Conference, ISOPE-2005
CountryKorea, Republic of
CitySeoul
Period05/6/1905/6/24

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Ocean Engineering
  • Mechanical Engineering

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