Dongying Lake Petroleum Technology Co.,Ltd |
API SPEC DOWNHOLE MOTOR/ MUD MOTOR
1. About the Manual
The Lake Drilling MOTOR is a powerful and reliable positive
displacement motor. The motor generates an optimum balance of
rotational speed and high torque to drive a variety of drill bits at speeds that maximize tool life and performance. LAKE MOTORS
offers a choice of flow rates, speeds, and torques to match a wide range of operational parameters. LAKE MOTORS are used
in applications such as straight hole drilling, directional (steerable) drilling, horizontal drilling, hole opening, and re-entry(work
over).
2. ADVANTAGES OF DOWNHOLE MOTORIncreased 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 downhole motor.
3. CONSTITUTION
Downhole motors differ in size and performance characteristics, but
they share the same basic components as follows (Fig.1) :
Crossover Sub
Safety Catch Sub
Power Section
Coupling Assembly
Bearing Assembly
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