Downhole Motor

The downhole motor is a type of volumetric power drilling tool that operates using drilling fluid. It converts the pressure of the fluid into mechanical energy, enabling efficient drilling operations. As the drilling fluid is pumped from the mud pump, it passes through the bypass valve and enters the motor. The motor’s oil inlet and outlet drive the rotor to rotate around the stator’s axis, transferring rotational speed and torque through the cardan shaft and transmission shaft to the drill bit, allowing for effective downhole operations.

Product Details
• Downhole motors come in various sizes and configurations, tailored to meet specific customer requirements such as torque, displacement, and well temperature. Our customized designs ensure optimal performance across different drilling conditions.

• Uniform Thickness Design:
The stator shell has been engineered with an optimized shape, resulting in a thin and uniform elastomer layer. This design offers advantages such as a compact structure, high power output, high pressure drop, low rotational speed, excellent cooling efficiency, and even thermal expansion. These features make the motor more durable and efficient, especially in challenging environments like ultra-deep wells, directional wells, and high-temperature wells.

• High-Temperature Oil-Based Mud Compatibility:
This motor is specifically designed for use in high-temperature environments and oil-based mud systems. The specially formulated stator elastomer maintains its strength and integrity even under temperatures below 180°C and high oil content. The oil-resistant material ensures long-lasting performance in harsh conditions.

• Corrosion Resistance:
The rotor is coated with a protective anti-corrosive layer, enhancing its resistance to corrosion, erosion, and wear. This makes the motor ideal for extended operation in corrosive fluids, ensuring reliability and longevity in tough drilling conditions.

• Air Drilling Capabilities:
Air drilling is an efficient method that helps protect reservoirs, increases drilling speed, and reduces the drilling cycle. It also prevents issues like mud loss and wellbore collapse. Air drilling motors are powered by gas or foam, which compresses and drives the motor to rotate the drill bit. These motors require advanced design and precise manufacturing to ensure reliable performance under high-pressure air conditions.

Specifications
We offer a wide range of downhole motors suitable for bore diameters ranging from 1 7/8” to 26”. Popular sizes include 1 11/16", 2 1/8", 2 3/8", 2 7/8", 3 1/8", 3 1/2", 3 3/4", 4", 4 3/4", 5", 5 5/16", 5 7/8", 6 1/4", 6 1/2", 6 3/4", 7", 7 1/4", 7 3/4", 8", 8 1/2", 9", 9 5/8", and 11 1/4". We provide vertical, single-curved, double-curved, and adjustable models. Motors are available with heat-resistant ranges up to 120°C, 120–150°C, and 150–180°C. They are also compatible with oil-based and saturated brine mud systems, offering a variety of options for different drilling applications.

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