Borets, a provider for the engineering, manufacturing, sales and service of electric submersible pump (ESP) systems, has successfully conducted a North American field trial of its PMM-PCP system, the first permanent magnet motor (PMM) running at a slow speed without a gear reducer to drive a progressing cavity pump.
The PMM-PCP system ran successfully for Crescent Point Energy in Canada from May 2014 until April 2015 where, during this trial period, the system increased the well uptime from 53.4% to 98.7%.
While previously a conventional induction motor would be run in the well with a mechanical gear reducer to slow the rotating speed of the motor for a progressive cavity pump, PMM motors are equipped with an extremely high power density which makes the motor 40% shorter and lighter. Additionally, Borets’ PMM-PCP system uses a PMM motor without a gear box to operate a downhole submersible motor between 350 and 750 rpm.
“Deviated or crooked wells that once proved to be a challenge for conventional top driven PCP systems can now be replaced with the PMM-PCP system,” said Keith Russell, Borets’ vice president of marketing.
To date, Borets has successfully installed more than 400 PMM-PCP systems globally.
Image: PMM-PCP system/Foster Marketing
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