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Cone bit in oil drilling
2014-08-27

Most often used in oil drilling and geological drilling of tricone bit. Bit shock when it is in change, the result of the crushing and shearing rupture formation rock, so the cone bit can adapt to soft and hard formation.
According to the number of roller can be divided into single roller, double cone, more than three roller and roller bit. At that time, most often used at home and abroad, the most popular is a tricone bit. It is especially in radial roller bit and long nozzle cone bit, drilling speed of roller bit big fierce progress, is a bit on a serious revolution. In the history of rock bit by tooth type can be divided into gear milling steel tooth bit, insert (install) of hard alloy tooth on the roller with cone bit.