Ball seat of test tube suspension sealing device

The utility model relates to the technical field of suspension sealing devices, and discloses a ball seat of a test tube suspension sealing device, which comprises an upper joint, a cone mechanism, a slip body mechanism and a sealing assembly, and is characterized in that the side surface of the upp...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG XIA, HAN QIANLONG, WANG YONG, LIN JIUQIONG
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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