Sand anchor

The utility model provides a sand anchor which comprises a body with an upper connector, an inner cavity arranged inside the body, an open hole formed in the side wall of the body, and a filter body. The upper connector is used for being connected with an oil well pump. The inner cavity is communica...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHAN XIANGBIN, CAO PENGQING, CHEN LEI, ZHOU YONG, LIU GAOHUA, CHEN HAI, YU XIAOXI, WANG JINGJING, FU NING, HAN HANPEI, LI HONGYUAN
Format:	Patent
Sprache:	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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Beschreibung
Zusammenfassung:	The utility model provides a sand anchor which comprises a body with an upper connector, an inner cavity arranged inside the body, an open hole formed in the side wall of the body, and a filter body. The upper connector is used for being connected with an oil well pump. The inner cavity is communicated with the upper connector. The filter body is arranged on the side wall of the body and covers the open hole. The filter body comprises at least two filter nets. The sand anchor is high in strength and can resist high-pressure medium sand washing.