METHANE GAS COLLECTING DEVICE AND COLLECTING METHOD

PROBLEM TO BE SOLVED: To provide a collecting device and a method for collecting methane gas from a wide, and thin layer of the sea bottom. SOLUTION: A cylinder body 1 made of concrete is partitioned to provide an excavating chamber 2, a suction chamber 3 and a sediment storage chamber 4. The suctio...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ITO KAZUNORI, FUJIWARA NARIFUMI, IIBOSHI SHIGERU
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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