Pressure wave code transmitting device and pressure wave code receiving and transmitting system

The utility model discloses a pressure wave code transmitting device and a pressure wave code receiving and transmitting system. The pressure wave code transmitting device comprises a pressure supply module, a switch valve body, a switch valve seat and a valve element. A pressure channel is arranged...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	JI GONGMING, DU XIAOXIA, LIAO CHAOHUI, YANG SHUKUN, ZHAO GUANGYUAN, GUO HONGFENG, LI XIANG, SUN XIKANG
Format:	Patent
Sprache:	chi ; 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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