Automatic monitoring device, method and system for liquid level of oil well

The invention discloses an automatic monitoring device, method and system for the liquid level of an oil well. The automatic monitoring device comprises a plurality of wellhead collecting devices, a plurality of switching valves, a shunt and a main controller. A microphone is mounted inside each wel...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GUO JIAN, MENG SHANGZHI, LI XIAOLIANG, YUE QIANG, CHI SHENGPING
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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