Rock Drilling Tools ---Screw Motor
Screw motor for Horizontal Directional Drilling Machine ,it is a downhole tool that can change the hydraulic energy of the drilling fluid into mechanical energy. The kind of tools can drive roller bit, diamond bit to work in directional well, horizontal well, vertical well drilling operation, etc.
Advantages :
1. Attrition of drilling pipe is declined obviously for screw motors running torque is only to drive bit while the drilling is not rotating;
2. Not only provide special drill assembly with high deflection rate, but also guide drill assembly with everlasting control;
3. Out torque and pressure difference is nearly liner relationship within a certain range when the power liquid flows into the screw motor;
4. Provide great delivery volume and improve speed of uphole velocity and carrying capability for rotor is hollow;
5. Suitable for all kinds of bits.
Rock Drilling Tools Screw Motor
