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. The mud is pumped from the mud pump through the bypass valve and into the motor. As the fluid enters the motor, it drives the rotor to rotate around the stator's axis. This rotation is then transferred to the drill bit via the cardan shaft and transmission shaft, allowing for effective downhole drilling.

Product Details
   Our downhole motors are available in a wide range of sizes and configurations. We tailor our designs to meet specific customer requirements, such as torque, displacement, and well temperature, ensuring optimal performance for various drilling conditions.

   • Uniform Thickness:
By optimizing the shape of the stator shell, we ensure a thin and uniform elastomer layer on the stator. This design leads to shorter length, higher power output, greater pressure drop, lower speed, better cooling efficiency, and more even thermal expansion. These features make the motor ideal for use in ultra-deep wells, directional wells, and high-temperature environments, extending its service life and improving drilling efficiency.

   • High-Temperature Oil-Based Mud Compatibility:
This downhole motor is specifically designed for high-temperature oil-based mud systems. It can operate effectively under temperatures below 180°C with high oil content. The specially formulated stator elastomer maintains excellent tensile and tear strength, offering superior performance in harsh conditions.

   • Corrosion Resistance:
The rotor is coated with an anti-corrosive material, providing enhanced resistance to corrosion, erosion, and wear. This makes the motor suitable for long-term operation in corrosive environments, ensuring durability and reliability.

   • Air Drilling Capabilities:
Air drilling is an effective method for protecting reservoirs, increasing drilling speed, and reducing drilling cycles. It also helps prevent mud loss and wellbore collapse. Air drilling downhole motors are powered by gas or foam, which are compressible fluids that drive the motor and rotate the drill bit. These motors require advanced design and precise manufacturing to ensure reliable performance in air drilling applications.

Specifications
We offer downhole motors in various sizes, suitable for bore diameters ranging from 1 7/8” to 26”. Popular options 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. Our motors are available in different temperature ranges (≤120°C, 120–150°C, 150–180°C) and are compatible with oil-based mud and saturated brine systems. All models feature uniform thickness construction for improved performance and longevity.

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Dandong Haichuan Machinery Co., Ltd. , https://www.ddhccasting.com