Horizontal Directional Drilling Mud Motor
The Mud Motor used for vertical drilling in oil and gas drilling. According to the requirements of Horizontal Directional Drilling in the Rock Ground, adapting HDD Toolings into effective Horizontal Directional Drilling (HDD), but didn’t change the basic working principles. In Horizontal Directional Drilling (HDD), Mud Motor mainly use for drilling though solids rock to increase efficiency and profitability.
Working principle of Horizontal Directional Drilling(HDD) Mud Motor
Horizontal Directional Drilling(HDD) Mud Motor is a drilling power tooling, with the help of drilling mud from the mud pump, drilling mud through the bypass valve and enters the motor, formed a certain pressure difference between the inlet and outlet of the motor to drive the rotor of the motor to rotate, generating torque speed are transmitted to the Drill Bit through the cardan shaft and the drive shaft. The power section of a mud motor consists of a rotor and stator. These two components harness the pressure and flow of the drilling fluid and translate it into torque and rpm that spins the Drill Bit.
A lead of the motor stator forms a sealing chamber, also known as a first stage. The rated working pressure drop of each stage is 0.8MPa, and the maximum pressure drop is 1.3 times the rated working pressure, such as the four-level motor, the rated pressure drop should be 3.2MPa, and the maximum pressure drop is 5.2MPa. If the pressure drop exceeds this value, the motor will leak, the speed will soon drop, and the rotation will stop in serious cases, and even cause motor damage. The user should pay special attention to this.
In order to ensure the sealing effect of the Horizontal Directional Drilling(HDD) Mud Motor, the fit size between the rotor and the stator is related to the temperature of different well depths, so when selecting the drill tool, the well temperature situation of the drill tool application site should be provided to the manufacturer as accurately as possible, and the motor suitable for the tight fit is recommended once again. The flow rate used in the field should be within the recommended range, otherwise it will affect the efficiency of the motor, and even accelerate the motor damage.
The output torque of the Horizontal Directional Drilling(HDD) Mud Motor is proportional to the pressure drop of the motor, the output speed is proportional to the input mud, and the speed of the drilling tool is reduced with the increase of the load, so the torque and speed of the drilling tool can be controlled on the ground as long as the pressure gauge is controlled and the flow rate of the pump is controlled according to the flow meter.
The structure of Horizontal Directional Drilling Mud Motor
The Horizontal Directional Drilling(HDD) Mud Motor is composed of four major assemblies, a Bypass Valve, a Motor, a Universal Coupling Assembly and a Drive Shaft.
Advantages of Horizontal Directional Drilling Mud Motor
- ZH HDD Tooling Horizontal Directional Drilling Mud Motor specifically designed for Horizontal Directional Drilling (HDD).
- ZH HDD Tooling Horizontal Directional Drilling Mud Motor performance parameters are closer to the theoretical design, has High performance.
- During Horizontal Directional Drillin work the rubber becomes more resistant to deformation, rigidity increases, single stage pressure heightens, stiffness increases, wear slows down, becomes more efficient, and prolongs motor service life.
- ZH HDD Tooling Horizontal Directional Drilling Mud Motor has high torque to flow ratio get more drilling power with less fluid.
- ZH HDD Tooling Horizontal Directional Drilling Mud Motor canworks at a slower speed that is more compatible with Tri-Cone Bits.
- ZH HDD Tooling Horizontal Directional Drilling Mud Motor has better performance to temperature decreases, highly increase the rubber service life. Ensures reliability and stability of Sensitive After the single stage confined height, output efficiency increases.