SHANDONG SAIGAO GROUP CORPORATION
Downhole Motor

Downhole Motor

Downhole motor is to convert the high pressure fluid power of mud into mechanical energy for bit rotation. It is widely used in oil field and mine directional well and horizontal well, cluster Wells and vertical Wells, drilling, deflecting, adjusting azimuth, coring, reaming, side tracking and work-over treatment, and also applied in some special operations as compound drilling and traversing, etc.

Features of Downhole Motor:

  • Various sizes of down-hole motors of high speed, medium speed and low speed;

  • Wide output range of speed, torque and high frequency;

  • Fix bend and adjustable bend are available;

  • Saturated saltwater mud resistant down-hole motor, high temperature resistant down-hole motor and oil-based mud resistan

  • Hole Size: 1 7/8"~26"

  • Motor Size: 1 11/16"~11 1/4"

  • Temperature Range: ≤120℃,120-150℃ and 150-180℃

  • Motor Type: vertical, single-bend, double-bend and adjustable motors


Application of Downhole Motor:

Downhole Motor Configuration Option

  • Unifrom Thickness:Reasonable to change the shape of stator housing, the stator elastomer layer of Unifrom Thickness downhole motor is thin and even. The characteristics of the downhole motor are short length, high power, high pressure drop, low rotate speed, high cooling efficiency, even thermal expansion, more widely used, more optimized structure and the lighter mass. Especially, the characteristics can prolong downhole motor's life and improve drilling efficiency in the ultra-deep well, directional well and high temperature well.

  • Resistance High-temperature And Oil Based Mud:The downhole motor is suitable for high-temperature, high oil base mud system. In the conditions of less than 180°C and high oil, specially formulated stator elastomer owns high retention rates of strong force strength, tear strength and other properties. The oil-resistant elastomer with reasonable magnitude of interference has better using effect in the high-temperature, high oil base mud.

  • Corrosion-resistance:After corrosion spraying to form special coating, the rotor is better corrosion, erosion and abrasion-resistant. And downhole motor is suitable for long time in the corrosive fluid.

  • Air Drilling:Air drilling can protect reservoir well, improve rate of penetration, significantly shorten drilling period, take precaution against mud loss and borehole collapse, now is gradually widely used. Air drilling downhole motor is driven by gas, foam and other compressible fluids, provide power for the downhole and drives bit to penetrate rock. Air drilling downhole motor has higher technical requirements of the assembly structure, linear design of the motor stator and operation specification.


Saigao Group produces various sizes of downhole motors for hole size from 1 7/8” to 26”. 

Popular sizes are 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”. 


Saiao group is able to provide downhole motors of vertical, single-bend, double-bend and adjustable motors; the hear-resistance temperature ranges are ≤120℃,120-150℃ and 150-180℃; oil-based mud resistance and saturated saltwater mud resistance motors and can independently research and develop and produce various size of uniform thickness downhole motors.


The company has a number of outstanding senior engineers in the design team, and the technologies keep improving aiming at the international level and we have earned more than 30 national patent. We can research and develop and produce various sizes of downhole motors according to customer's requirements.


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Contact Us

sales@saigaogroup.com susan@saigaogroup.com
0531-69959201
qg18653457231
+86 18653457231
Zhongrun Century Center, No 12111,Jingshi Road, Lixia District, Jinan City, Shandong Province. P.R. China

Contact Us

sales@saigaogroup.com susan@saigaogroup.com
0531-69959201
Zhongrun Century Center, No 12111,Jingshi Road, Lixia District, Jinan City, Shandong Province. P.R. China