Automatic control device of choke manifold

The invention relates to an automatic control device of a choke manifold. The control device comprises a sensor assembly, a display control assembly, and an execution assembly. The execution assembly comprises a proportional throttle valve, a magnetic exchange valve, a motor, a hydraulic pump, a com...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHE YIHUI, WANG CHENGZHEN, QIAN BO, MI XIN
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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