Impact type cleaning tool for cleaning central channel of downhole tool

• Main Authors: HUANG LI, ZHOU CHUNYANG, KONG XIANGWEI, ZHANG GUIQING, ZHENG LIHUA, ZHAO PING, XIANG QINGFENG, LI ZHAOBING, CUI YICHEN, JIA GUANGSHENG, JIA SHOUTIAN, WANG TAOQI, LI LEI
• Format: Patent
• Language: Chinese; English
• Published: 27.12.2022
• 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 utility model belongs to the field of oil field downhole tools, and particularly relates to an impact type cleaning tool for cleaning a central channel of a downhole tool, which comprises a steel wire rope, a balance weight lever, a sliding sleeve and a guide head, the steel wire rope is fixedly connected to the upper end of the balance weight lever, the sliding sleeve is slidably mounted on the outer side of the lower end of the balance weight lever, and the guide head is connected to the lower end of the sliding sleeve; a vertical sliding way is arranged on the side face of the sliding sleeve, correspondingly, a sliding block is fixedly arranged at the lower end of the balance weight lever, and the sliding block is in sliding fit with the sliding sleeve, so that the balance weight lever and the sliding sleeve are connected together. And teeth for cleaning dirt are densely distributed on the outer side of the upper part of the guide head. Due to the arrangement of the steel wire rope, the balance weight