CN207017950U - 一种带压作业机用扶正筒 - Google Patents
一种带压作业机用扶正筒 Download PDFInfo
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113250627A (zh) * | 2021-06-29 | 2021-08-13 | 四川圣诺油气工程技术服务有限公司 | 带压作业油管扶正装置 |
WO2024065422A1 (zh) * | 2022-09-29 | 2024-04-04 | 天津渤海杰瑞石油装备有限公司 | 自动化带压作业装置及其作业方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113250627A (zh) * | 2021-06-29 | 2021-08-13 | 四川圣诺油气工程技术服务有限公司 | 带压作业油管扶正装置 |
CN113250627B (zh) * | 2021-06-29 | 2021-09-10 | 四川圣诺油气工程技术服务有限公司 | 带压作业油管扶正装置 |
WO2024065422A1 (zh) * | 2022-09-29 | 2024-04-04 | 天津渤海杰瑞石油装备有限公司 | 自动化带压作业装置及其作业方法 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Qing Yu Inventor after: Liu Wei Inventor after: Li Youxing Inventor after: Li Yufei Inventor after: Wang Liuyang Inventor after: Tang Qiulin Inventor after: Wang Run Inventor after: Tu Yinghong Inventor after: Song Laiyang Inventor after: Zeng Guoxi Inventor before: Qing Yu |
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CB03 | Change of inventor or designer information | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200909 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee after: CNPC Chuanqing Drilling Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Co-patentee after: Baoji Oilfield Machinery Co.,Ltd. Address before: 618300 south two section of Zhongshan Avenue in Deyang, Sichuan Co-patentee before: Baoji Oilfield Machinery Co.,Ltd. Patentee before: DRILLING & PRODUCTION ENGINEERING TECHNOLOGY RESEARCH INSTITUTE OF CNPC CHUANGQING DRILLING EXPLORATION Co. |
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TR01 | Transfer of patent right |