Releasing device for continuous pipe tail pipe well completion technology pipe column

The utility model relates to the technical field of continuous pipe well drilling and completion, in particular to a releasing device for a continuous pipe tail pipe well completion technology pipe column. A piston rod and a piston of a solenoid valve body of the device are connected. The outer side...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GUO SHUHONG, GONG JIANKAI
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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