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GE's downhole pump motor cooling system

Thursday, January 31, 2013

GE has developed its first ever motor cooling system for downhole electric submersible pumps.

The system is installed at the base of the electric submersible pump string, between the motor and sensor.

It can work with pumps of up to 270 horsepower.

The unit has its own pump, which draws production fluid around the ESP motor. It can be used when the pump is located beneath the perforations, so not in the normal pathway of production fluid (moving from the perforations up to the surface).

It also offers more system design flexibility.

It is particularly suited for high gas to oil ratio wells, or wells with low pressures, or low fluid flows.

The company has also developed a new motor to work specially with the motor cooling system, which is currently in final field trials in North America. It is designed to deliver more power at higher efficiencies.

It allows more copper to be installed in the winding, increasing the maximum horsepower per foot of length by more than 30 percent.

'By adding our new motor cooling system and the high-efficiency motor to our Artificial Lift Portfolio, we are reaffirming our commitment to developing and deploying the latest technologies and services that will help operators increase the efficiency of their production activities, including in maturing fields,' said Gary Ford, president-Artificial Lift at GE Oil & Gas.

The new developments follow GE's 2011 acquisition of John Wood Group's well support division in 2011 for $2.8bn.



Associated Companies
» GE Oil and Gas
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