Impact type self-cleaning sand prevention device

• Main Authors: NIU YURU, GUO BINJIAN, XI XIN, GUAN JIUZHOU, ZHANG SHUAI, LANG BAOSHAN, LIU JIANGLING, FEI DAN, WANG SHUHUI, ZHU CHENGCHAO, KUANG XUGUANG, WANG GUANGSHUN, XIE JIAXI
• Format: Patent
• Language: Chinese; English
• Published: 19.12.2023
• Subjects: 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

The invention discloses an impact type self-cleaning sand prevention device which comprises a coupling, a sand filtering pipe, a reducing piston, a central pipe and an impact vibrator, the top end of the coupling is connected with an oil pumping pipe column, the bottom end of the coupling is connect...