PDM Drill（downhole Motor）

Specification	Details
Flow Range	1.26~3.13 l/s
Pressure Drop	2.5 MPa (0.4 ksi)
Rated Torque	160 N.m (118 ft.lb)
Power	2.35~6.03 kW (3.2~8.1 HP)

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The PDM drill (Positive Displacement Motor) is a key downhole power tool used in oil and gas drilling. It works by converting hydraulic energy from the drilling fluid into mechanical energy, which is then transmitted to the drill bit. This mechanism provides the necessary torque and rotational speed for efficient drilling in various well types, including vertical, directional, and horizontal wells. By utilizing fluid pressure, PDM drills ensure optimal drilling performance, making them essential in a range of drilling operations.

Description

PDM Drill downhole Motor

The PDM drill, commonly known as a downhole motor, operates based on the principle of positive displacement. Fluid flows through the motor, generating pressure differential between the motor’s inlet and outlet. This pressure difference causes the rotor to rotate within the stator, creating mechanical energy. The rotor’s continuous rotation generates torque, which is then transferred to the drill bit for effective drilling.

PDM motors are highly versatile and can be used in vertical, directional, and horizontal drilling applications. They are especially useful in environments where high torque and low speed are required to ensure optimal drilling efficiency. These motors are capable of working under extreme downhole conditions, providing durability, efficiency, and reduced operational costs.

The screw-like rotor inside the motor is designed to operate at various flow rates and pressures, making the PDM drill adaptable to different well conditions. The power section, made up of the rotor and stator, is the heart of the motor, and it varies in size and configuration to suit specific drilling needs.

Feature Overview

PDM Drill downhole Motor1

Adaptability: Suitable for vertical, directional, and horizontal drilling applications.
High Torque: Delivers high torque at low speeds, optimizing drilling performance.
Versatility: Can operate under extreme downhole conditions, including high pressure and temperature.
Wide Range of Configurations: Available in various sizes and models to meet specific drilling needs.
Durability: Designed for extended downhole use with minimal wear and tear.

Key Products and Variations

PDM Drill downhole Motora

PDM motors come in various sizes and configurations to accommodate different drilling environments and requirements. The following models demonstrate the range of flow rates, torque, and other performance metrics suitable for diverse drilling conditions:

Model	Flow Range (l/s)	Pressure Drop (MPa)	Rated Torque (N.m)	Max Torque (N.m)	Recommended Bit Weight (kN)	Power (kW)	Diameter (mm)	Length (m)	Connections (API REG)
5LZ43×7.0	0.5-1.5	4.0	108	173	6	3.68	43	3.5	M27×2
5LZ60×7.0	1.26-3.13	2.5	160	280	5	2.35-6.03	60	3.3	1.9TBG
5LZ73×7.0	1.26-5.05	3.5	275	480	12	3.5-13.82	73	3.45	2 3/8TBG
5LZ89×7.0	2-7	4.1	560	980	18	5.6-19.35	89	4.67	2 3/8REG
5LZ95×7.0	4.73-11.04	3.2	950	1240	21	10.4-23.79	95	3.7	2 7/8REG

These are just a few examples of the wide variety of PDM drill configurations available, tailored to specific drilling tasks and operational environments.

Technical Data

Flow Range: PDM motors can handle flow rates from 0.5 to 56.78 liters per second, depending on the model.
Pressure Drop: Operating pressure drop ranges from 1.6 MPa to 6.5 MPa, ensuring efficient energy conversion in various well conditions.
Torque: Rated torque values range from 108 N.m to 10,700 N.m, with maximum torque capacities extending to 17,100 N.m.
Power: Motor power output ranges from 2.35 kW to 235.3 kW, providing enough strength for demanding drilling operations.
Diameter and Length: Motor diameters vary from 43 mm to 244 mm, with lengths ranging from 3.5 meters to 8.7 meters, ensuring compatibility with different well sizes.
Connections: These motors feature industry-standard API REG connections, such as M27×2, 2 3/8REG, and 6 5/8REG, allowing for easy integration with other downhole tools.

More Details

PDM motors are commonly used in oil and gas drilling to enhance efficiency and reduce the risk of tool failure. The design of the motor allows for easy maintenance and replacement of components, minimizing downtime. PDM motors are also highly customizable, allowing operators to tailor them to the specific requirements of their drilling projects.

Packaging and Shipping

PDM drills are typically packaged in durable containers that protect them from environmental hazards during transportation. Each motor is securely fastened to prevent damage during shipping, and detailed documentation is included with each shipment to ensure proper handling and installation. Shipping options include air, sea, or land freight, depending on the destination and delivery timeline requirements.

Company Overview

Our company is a leader in manufacturing advanced drilling technologies, including downhole motors. With a focus on innovation and quality, we provide products that meet the highest industry standards. Our PDM motors are designed to optimize drilling operations, reduce operational costs, and enhance safety. We offer worldwide shipping and have a robust network of clients in various sectors, including oil and gas exploration.

Customized Option

We offer customized PDM motors tailored to specific drilling requirements. Our engineering team works closely with clients to design motors that meet their operational needs, including adjustments in flow rates, torque, and power output. Customized connections and lengths can also be provided to ensure seamless integration with existing drilling setups.

Customization

Rotor and Stator Configurations: Tailored for specific torque and speed requirements.
Power Adjustments: Motors can be optimized for different power outputs depending on the drilling environment.
Material Options: Customizable materials for rotors, stators, and housings to enhance performance in specific downhole conditions.
Connection Variants: API REG or other thread connections to match existing drilling equipment.

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