Dustproof device for well drilling and medicine adding

The utility model discloses a dustproof device for well drilling medicine feeding, which comprises a solid phase control piece, the solid phase control piece is provided with a mixing cavity and a feeding hopper communicated with the mixing cavity, and the solid phase control piece is also provided...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FU ZHENJIU, WANG HAIBO, CHEN YINGYING, WU WENZHANG, HUO WENJIAN, JIANG MIAOMIAO
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 PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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