1887

Abstract

P204 Velocity Change of a Porous Medium in the Freezing and Thawing Process of Methane Hydrate K. Onishi* (Kyoto University) K. Tsukada (Kyoto University) & T. Matsuoka (Kyoto University) SUMMARY For the stock assessment and the improvement of production efficiency of methane hydrate under the seabed the process concentrating methane hydrate in sediments has to be investigated and prospecting techniques which can specify the concentrated region with high reliability have to be developed. Thus we measured elastic wave of a porous medium with methane hydrate using a high pressure vessel. The timeseries measurement of the distribution of wave velocity and

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/content/papers/10.3997/2214-4609.201401873
2007-06-11
2020-11-24
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