CN206129177U - 一种碳纤维连续抽油杆的夹紧接头 - Google Patents
一种碳纤维连续抽油杆的夹紧接头 Download PDFInfo
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108825145A (zh) * | 2018-06-06 | 2018-11-16 | 中国石油天然气股份有限公司 | 抽油杆连接装置、抽油杆柱及装配方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108825145A (zh) * | 2018-06-06 | 2018-11-16 | 中国石油天然气股份有限公司 | 抽油杆连接装置、抽油杆柱及装配方法 |
CN108825145B (zh) * | 2018-06-06 | 2020-03-10 | 中国石油天然气股份有限公司 | 抽油杆连接装置、抽油杆柱及装配方法 |
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GR01 | Patent grant | ||
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Effective date of registration: 20180416 Address after: 163000 No. 79 Zhongxing North Street, Saertu District, Daqing, Heilongjiang. Patentee after: Daqing long he Petroleum Science and Technology Development Co., Ltd. Address before: 163000 Heilongjiang city of Daqing Province Light Industry Longfeng District Metro Patentee before: Xi Xiaoping |
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Effective date of registration: 20210326 Address after: 163000 Guangming South Street 23-2, Guangming Industrial Park, Longfeng District, Daqing City, Heilongjiang Province Patentee after: DAQING HUAYU PETROLEUM MACHINERY MANUFACTURING Co.,Ltd. Address before: 163000 79 Zhongxing North Street, Saertu District, Daqing City, Heilongjiang Province Patentee before: DAQING LONGHE PETROLEUM TECHNOLOGY DEVELOPMENT Co.,Ltd. |