Sucker rod assembly

The invention discloses a sucker rod assembly which comprises a rod body and a coupling. The rod body comprises a first connector, a first rod body and a second connector which are sequentially connected. The first connector and the second connector are provided with external threads and are the sam...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHEN XIAOSONG, LYU JUNFENG, DONG LIFENG, MIAO JINYING, FENG TINGDE, SUN PEIJING, LIU XIAO, AN GUOFENG
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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