DRS Technologies sells new-design permanent-magnet motors

Offshore staff

FITCHBURG, Massachusetts – DRS Technologies Inc. has sold its first four PR Series 1,600-hp, permanent-magnet (PM) motors. These motors will be mounted on the Weatherford EH-1600 Triplex Mud Pump.

The direct-drive PM motor application results in 25% reduction in pump skid volume and a 12% weight savings. The high-torque, high-efficiency PM motor eliminates the belts and sheaves equipment associated with traditional motors.

DRS and Weatherford worked in close cooperation with drilling contractors on the detailed mechanical and electrical design and integration. Following six months of testing of 1,150-hp DRS PM motors at Weatherford’s Magnolia, Texas, facility, customer demands accelerated the development of a 1,600-hp motor.


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