CN211900495U - 一种带有扶正防偏磨的抽油杆 - Google Patents
一种带有扶正防偏磨的抽油杆 Download PDFInfo
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113153172A (zh) * | 2021-03-22 | 2021-07-23 | 东营市三和石油装备有限公司 | 一种全喷焊耐高温防腐蚀抽油杆 |
CN114017564A (zh) * | 2021-11-22 | 2022-02-08 | 山东龙口油管有限公司 | 自锁式喷油器回油接头 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113153172A (zh) * | 2021-03-22 | 2021-07-23 | 东营市三和石油装备有限公司 | 一种全喷焊耐高温防腐蚀抽油杆 |
CN113153172B (zh) * | 2021-03-22 | 2023-10-20 | 东营市三和石油装备有限公司 | 一种全喷焊耐高温防腐蚀抽油杆 |
CN114017564A (zh) * | 2021-11-22 | 2022-02-08 | 山东龙口油管有限公司 | 自锁式喷油器回油接头 |
CN114017564B (zh) * | 2021-11-22 | 2023-01-17 | 山东龙口油管有限公司 | 自锁式喷油器回油接头 |
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Inventor after: Liu Yiliang Inventor after: Sun Jiaxing Inventor after: Liu Yichen Inventor after: Liu Yihe Inventor after: Liu Guoguang Inventor after: Cui Donghua Inventor after: Kang Xiaoyan Inventor after: Li Chen Inventor before: Liu Yiliang Inventor before: Sun Jiaxing Inventor before: Liu Yichen Inventor before: Liu Yihe Inventor before: Yu Fazhen Inventor before: Liu Guoguang Inventor before: Cui Donghua Inventor before: Kang Xiaoyan Inventor before: Li Chen |