Pressure adjusting system of self-feeding while-drilling stratum rock morphology recording device

The utility model discloses a pressure regulating system of a self-feeding while-drilling stratum rock morphology recording device. The device comprises an air bag, a liquid bag, an air pump, an air cylinder, a pressure sensor, a gas-liquid dynamic adjusting system placing chamber and a supporting p...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WEN YUMIN, REN LEI, GAO KE, CHEN AO'AO, GUO MINGYI, XIE XIAOBO, YANG FAN, ZHANG XINYUE
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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