Water injection well hydraulic impact plug removal device

The utility model discloses a water injection well hydraulic impact unblocking device which comprises a lower inner cylinder in threaded connection with an upper inner cylinder, a sealing ring is embedded in the top end, facing the upper inner cylinder, of the lower inner cylinder, the sealing ring...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIAO PINGGUANG, CHEN AIMIN, GONG QIANGQIANG, FAN WEIPING, DU JUN
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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