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Title:
GAS SAMPLING DEVICE
Document Type and Number:
Japanese Patent JP2023171696
Kind Code:
A
Abstract:
To provide a gas sampling device capable of increasing gas sampling efficiency without performing discharge work of water such as seawater from a gas guideway when sampling gas.SOLUTION: A gas sampling device 10 of the present invention includes: a gas retention device 11 provided in a through hole formed in a barge 20; a gas sampling tool 12 arranged in the seawater below the gas retention device 11 and collecting methane gas released into the seawater from a gas hydrate layer MH formed on the ground G at the seawater bottom; and a cylindrical gas guide path 13 having a lower end opening is connected to the gas sampling device 12 and guiding methane gas from the gas sampling device 12 to the gas retention device 11 together with seawater. The gas guide path 13 has an upper end opening arranged below the sea level in the through hole. The methane gas is discharged from the upper end opening to the gas retention device 11, and the seawater accompanying the methane gas flows back into the seawater below the water surface in the through hole.SELECTED DRAWING: Figure 1

Inventors:
HASUIKE NOBORU
Application Number:
JP2022083456A
Publication Date:
December 04, 2023
Filing Date:
May 21, 2022
Export Citation:
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Assignee:
HASUIKE NOBORU
International Classes:
E21C50/00
Domestic Patent References:
JP2018080477A2018-05-24
JP2017128950A2017-07-27
JP2017071959A2017-04-13
JP2016166487A2016-09-15
JP5771762B12015-09-02
JP2002536573A2002-10-29
Foreign References:
WO2017126533A12017-07-27
US4424858A1984-01-10
WO2018092428A12018-05-24
US20120155964A12012-06-21
CN102308059A2012-01-04
CN112483052A2021-03-12
Attorney, Agent or Firm:
Hajime Obara



 
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