Underground water circulation well in-well packer and using method thereof

The invention relates to an underground water circulation well in-well packer and a using method of the underground water circulation well in-well packer. The in-well packer comprises a central pipe, a packing assembly and a driving assembly, the packing assembly is arranged on the central pipe, and...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	PU SHENGYAN, LIU YACHUAN, CHEN JINGSONG, TANG QIANG
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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