摘要Features of Hollow RotorProgressing Cavity Pump(HRPCP)
(1) Keep the path forPCP well-flushing.Clean over the producing wells quickly without shutting off the wells. Heat loss is low while the efficiency is high.
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2Todd Zahacy, et al. C-FER Technologies Training Course-Progressing Cavity Pump System, 2006.
3Cao Gang, Liu He, et al. Technical Breakthrough in PCPs' Scaling Issue of ASP Flooding in Daqing oilfield [J]. Journal of petroleum Technology, 2008, 60(1) : 50-52.
