Wellhead leakage treatment device

The utility model relates to an oil field oil-water well wellhead device, in particular to a wellhead leakage treatment device. The device comprises a pressing connector, a piston cylinder, a piston, a sealing ring, a baffle, a piston groove, a one-way sliding ring, a screw thread head, an insertion...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU ERHUAI, ZHU YONGSHENG, WANG XINYONG, HU HONGHAO, ZHAO LEI, LI QUAN, SU GANGFENG
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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