- 专利标题: WELL PUMPING APPARATUS AND METHODS
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申请号: US18287497申请日: 2022-04-12
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公开(公告)号: US20240093694A1公开(公告)日: 2024-03-21
- 发明人: Benjamin EILAN , Boris POLYAK , Nadav DARF , Alex KATZ , Oren RAM
- 申请人: ORMAT TECHNOLOGIES,INC.
- 申请人地址: US NV Reno
- 专利权人: ORMAT TECHNOLOGIES,INC.
- 当前专利权人: ORMAT TECHNOLOGIES,INC.
- 当前专利权人地址: US NV Reno
- 优先权: IL 2457 2021.04.20
- 国际申请: PCT/IL2022/050380 2022.04.12
- 进入国家日期: 2023-10-19
- 主分类号: E21B43/12
- IPC分类号: E21B43/12
摘要:
A well pumping apparatus including a discharge head (110), a drive string rod (130) in fluid communication with an inner cavity (142) of a production tubing (140), a pre-lubrication port (160) at the discharge head, and lubrication cups (134) installed along the drive string rod adjacent to sets of bearings (150) distributed along the drive string rod.
公开/授权文献
- US11982286B2 Well pumping apparatus and methods 公开/授权日:2024-05-14
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