电机、无杆采油系统和方法及相关应用

By designing fluid channels in the inner and outer layers of the rotor and stator of the downhole direct-drive rodless oil production motor, the problem of insufficient motor heat dissipation was solved, achieving more efficient heat dissipation and real-time parameter monitoring, extending motor life and improving oil production efficiency.

CN116418135BActive Publication Date: 2026-07-17PETROCHINA CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
PETROCHINA CO LTD
Filing Date
2021-12-31
Publication Date
2026-07-17

Smart Images

  • Figure CN116418135B_ABST
    Figure CN116418135B_ABST
Patent Text Reader

Abstract

本发明公开了一种电机、无杆采油系统和方法及相关应用。所述电机包括：壳体、转子单元、定子单元和动力轴组件；所述转子单元位于壳体内，能够相对定子单元转动带动动力轴组件转动；所述定子单元位于所述转子单元内，所述定子单元的外端伸出壳体用于连接外部管路；动力轴组件内端与所述转子单元连接，外端伸出壳体作为动力输出端，所述动力轴组件的动力轴通孔与所述定子单元的定子轴通孔贯通，形成流体通道。井下流体能够从电机内部流过带走热量，达到更好的散热冷却效果，提高电机性能和使用寿命。
Need to check novelty before this filing date? Find Prior Art