Necessary Screw Drill in Drilling Industry

Screw drill is drilling tools in drilling industry, it is a kind of displacement downhole drill motor that make drilling fluid as a driving force, then transform the fluid pressure energy into mechanical energy. Let us certainly want more in-depth look at the knowledge of the device.

Screw drill is mainly made by the bypass valve, hydraulic motor, cardan shaft and drive shaft. The screw motor is the main component of drilling, many practical and theoretical results show that the motor properly to work effectively, each stage of the motor can withstand the pressure drop of no more than 0.8Mpa appropriate, or motor has loss. Speed decreases rapidly stopped the motor. Mud flow should be within the recommended range, otherwise it will affect the efficiency of the motor, and even increase the wear and tear. Screw motor performance parameters is the main performance parameters of screw drill.