Well head packing box of sealed degree of two -way regulation packing

The utility model provides a well head packing box of sealed degree of two -way regulation packing, is including pressing cap, a packing section of thick bamboo, well head connection short circuit, back of the body cap and well head tee junction flange, and female threaded connection is buckled to f...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Gong Yuefen, Peng Pu, Guo Yongli, Lang Li, Zhang Li, Yang Cunhui, Liu Qing, Dong Xiulei, Li Benqiong, Sui Aini
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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