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New Picks for Coal Mining

What Are PDC Cutter ?

PDC cutter, also named Polycrystalline Diamond Compact cutter, which is a kind of super-hard material.

Development direction and application method of scraper bit

The geometry of the blade of the diamond scraper bit is basically the same as that of the carbide scraper bit, in which only part of the carbide blocks in the hole and groove of the blade are replaced by polycrystalline diamond impregnated blocks.

The function and fixing method of water hole of roller bit

Bit water hole is an important organ in drilling to make full use of bit hydraulic power, to make high-speed liquid directly shoot to the bottom of the well, to fully remove cuttings at the bottom of the well, and to improve drilling efficiency. It is mai

The function and fixing method of water hole of roller bit

Bit water hole is an important organ in drilling to make full use of bit hydraulic power, to make high-speed liquid directly shoot to the bottom of the well, to fully remove cuttings at the bottom of the well, and to improve drilling efficiency. It is mai

The function and fixing method of water hole of roller bit

Bit water hole is an important organ in drilling to make full use of bit hydraulic power, to make high-speed liquid directly shoot to the bottom of the well, to fully remove cuttings at the bottom of the well, and to improve drilling efficiency. It is mai