Corrosion-resistant coated sucker rod

The utility model relates to the technical field of sucker rods, and discloses a corrosion-resistant coated sucker rod which comprises a sucker rod body, the top end of the sucker rod body is fixedly connected with an upper connecting piece, the top of the upper connecting piece is fixedly connected...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DU ZAOMING, LI YINGJIN, CUI SHUFENG, MAO MINGTAO, ZHU MINGRUI, DU DONGLIN, XU CHENGBO
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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