Underground intelligent electric multi-circulation valve

The invention provides an underground intelligent electric multi-time circulating valve, and relates to the technical field of oil testing of petroleum and natural gas. Driving force generated by a driving component is transmitted to a circulating channel switching valve by utilizing a transmission...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FENG HANBIN, ZHOU CHUANZHI, WANG YONGJUN, ZHONG XIAOJUN, CHEN YAN, ZHANG RUIFENG, FANG ZHENG, LU CHENGLIANG, YUAN QUAN, FAN SHICHAO, LIU QILUN, WANG XIAOCHAO, ZHANG YAMING, LIU JIA'EN, LI LINLIN, LIANG NAIFU, ZHANG YUFEI, SHAO ZHENPENG, XU FENGLAN, WEN WEN, LU XIAOHAN, LIU YU, WU GANG
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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