BW-250 mud pump is a horizontal three-cylinder single-acting piston pump.

.BW-150 type mud pump is a horizontal three-cylinder single-acting piston pump, which is mainly used for geological drilling, geological engineering construction supporting and foundation treatment low and medium pressure grouting and so on;

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.