Down-hole motor is one kind of positive displacement down-hole motor, with working principle 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.
ADVANTAGES OF DOWNHOLE MOTOR
Increased rate of penetration.
Better hole deviation control.
Reduction in drill string failure rate.
Reduction in wear and tear of the swivel, Kelly and rotary drives.
Reduction in fuel cost, since compared to rotary drilling, less energy is required to power a down-hole motor.
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