Device and method for extracting a gas hydrate

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United States of America Patent

PATENT NO 6817427
APP PUB NO 20030136585A1
SERIAL NO

10242506

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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This invention aims to provide a gas-hydrate extracting device and method whereby a high-performance jet fluid is injected from a nozzle at the tip of an extraction pipe inserted into a gas-hydrate stratum, and whereby said jet fluid breaks said stratum so as to form a gas-hydrate mixed fluid that is transferred to surface of the earth, and whereby the void resulting from the removal of said gas hydrate is filled with the components of said high-performance jet fluid and a void-refilling fluid.

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Patent Owner(s)

Patent OwnerAddress
MIZUHO INFORMATION & RESEARCH INSTITUTE INCTOKYO 101-8443

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Asano, Shuntaro Tokyo, JP 1 21
Kurosaka, Sosuke Tokyo, JP 1 21
Matsuo, Katsuya Tokyo, JP 1 21
Shinoda, Junji Tokyo, JP 4 60
Yanagimori, Yutaka Tokyo, JP 1 21

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