Blanking plug with circulating well washing channel

The utility model discloses a blanking plug with a circulating well washing channel, which comprises a blanking plug upper shell and a blanking plug lower shell, and an upper circulating hole is formed on the blanking plug upper shell; the blanking plug upper shell and the blanking plug lower shell...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WAN XIANG, CHEN XIGUO, AN WENMU, ZHANG MING, LENG RUI, WANG YUNHAI, WANG XIAOBO, WANG YIMIN, WEI HUILONG, LI JUNBAO
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
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!