Drilling tool water hole dredging tool

• Main Authors: TAN CHANGBING, TANG QIAN, YANG CHENG, XU GANG, XIE PENGFEI, ZHANG DAIJIN, XIE CHANGBIN, XIE QINLING, CAO XIAOBIN
• Format: Patent
• Language: Chinese; English
• Published: 04.12.2020
• 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 relates to the technical field of drilling tool water hole dredging, in particular to a drilling tool water hole dredging tool. The device comprises a main body, a cleaning sleeve and an elastic scrap scraping plate, a drainage hole communicated with a high-pressure water source is formed in the main body, a first water spraying hole communicated with the drainage hole is formedin the front end, inserted into a water hole of a drilling tool, of the main body, and the cleaning sleeve is a hollow shell connected to the main body in a sleeving mode; openings which are correspondingly communicated are formed in the contact sections of the cleaning sleeve and the main body, the openings are communicated with the drainage hole to form second water spraying holes, and the firstwater spraying holes and the second water spraying holes can spray water to clean the inner wall of the water hole of the drilling tool when the dredging tool extends into the water hole of the drilling tool; the elastic scra