In recent years, due to the technical progress of drilling rig and the improvement of drilling mud, more and more downhole motor are used in the HDD drilling project.

Mud motor is the preferred drilling tool for directional drilling in complex bottom and hard rock bottom. The contractors use the mud motor in some challenging projects. It can provide a guarantee for the quality of the project. The main factors affecting the application of mud motor are the flow rate of mud pump and the hardness of rock.

Generally speaking the mud motor our diameter from 43 to 105mm. When HDD drilling it with the tungsten carbide bits or milling bits.

LUQI machinery equipment import and export trade Co., Ltd. is a professional downhole/mud motor manufacturing enterprise. The downhole/mud motor are used widely in the trenchless project and HDD drilling.

We have established a deep relationship with the trenchless companies and HDD drilling service in China.

High quality mud motor accessories

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Downhole motor is a drilling tool which takes mud as motivation. It consists of Drive shaft assembly, Motor assembly, Cardan shaft assembly, Anti-out assembly and bypass valve assembly of five parts. Mud pump output mud flows through the bypass valve into the motor, and export a certain pressure to promote the rotation of the rotor, the torque and speed transmitted to the drill bit through the cardan shaft and drive shaft. Mud motor’s performance depends on the motor assembly.

As mud fluid from the mud pump enters the motor via the by-pass valve, a certain pressure difference is formed at the inlet and outlet of the motor, pushing the rotor to rotate. Torque and rotate speed are transferred via the cardan shaft and the driving shaft to the bit.

Performance of the down-hole drill motor depends mainly on performance parameters of the screw motor.