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Ordinary drill pipes are used for connecting the bit, conveying the drilling fluid and transmitting power in drilling tools.

The drill collar is an essential component of the downhole drilling tool assembly, which provides weight for the drilling of the drill bit and maintains the drill string tension.

NYJ screw drilling tools are a powerful and reliable positive displacement motor.

Heavy Duty Drill Pipe (HWDP) is an intermediate material used in weighing drill string assemblies