Become and detain connecting device

The utility model provides a become and detain connecting device, become and detain connecting device are used for connecting an oil pipe and the 2nd oil pipe, and wherein the 2nd oil pipe's externaldiameter is greater than the 2nd oil pipe's external diameter, include: the body, body axia...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHU JING, ZHOU YIQING, FENG ZIWEI, LUO PENGFEI, SONG JING, ZOU YANG, YANG QINGLING, LUAN RUIZHI, HUO YANJIAO, YU XUNBING, GAO JIAXING, QIAO MU, HE JINBAO, ZHANG YU
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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