Drill bit with micro flow channel drill teeth

The invention relates to the field of oil and gas drilling and production, underground resource exploitation and drilling engineering equipment, in particular to a cutting tooth structure with a micro nozzle. The device comprises a drill bit body, drill teeth provided with micro flow channels, drill tooth internal flow channels, drill bit internal flow channels and chip grooves. Miniature nozzles are arranged on cutting teeth of the drill bit, inner flow channels of the cutting teeth are communicated with inner flow channels of the drill bit, and outlets of the flow channels are of three different structures on the cutting teeth. In the drilling process of the drill bit, compared with a traditional drill bit, the drill teeth have the cutting and jet flow effects at the same time. According to the invention, the jet injection distance can be shortened, collaborative rock breaking can be effectively carried out, and the drill teeth can obtain good chip removal and cooling effects. The rock breaking efficiency o