Geothermal well sand prevention device

The utility model discloses a geothermal well sand prevention device which comprises a telescopic sand prevention water filter pipe, a sand discharging hopper is fixedly installed at the lower end of the telescopic sand prevention water filter pipe, a splicing insertion pipe is fixedly installed on...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SUN XIAOXIAO, ZHAN JINGHUA, ZHU MENG, WANG YONGJUN, LU ZEWA, ZHAO SHUXING, LIU SHUAI, WANG LINGLI, XIA YING, YIN YUE, XU XIAOTONG, DAI NA, YANG YABIN, ZHANG PINGPING, BAI TONG
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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