WEG partners with Lufkin on direct-drive technology for Vaca Muerta oil pumpjacks

By Public Technologies
  • WEG partnered with Lufkin to develop a direct-drive system for pumpjack oil extraction in Argentina’s Vaca Muerta region.
  • Design uses a permanent magnet motor coupled directly to the gearbox shaft, removing pulleys and belts to cut maintenance points.
  • Technical comparison showed 95% motor efficiency versus 88.5% for a NEMA D induction motor in a conventional setup.
  • Project estimated annual energy savings of up to USD 38,000 per motor, based on Argentine power costs.
  • Architecture targets new installations, potential retrofits, variable-frequency-drive speed control, aiming to lift uptime and operating efficiency.


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