CN201953335U - 可冲洗螺旋式抽油杆扶正器打捞工具 - Google Patents
可冲洗螺旋式抽油杆扶正器打捞工具 Download PDFInfo
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CN2011200654553U CN201953335U (zh) | 2011-03-14 | 2011-03-14 | 可冲洗螺旋式抽油杆扶正器打捞工具 |
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CN2011200654553U CN201953335U (zh) | 2011-03-14 | 2011-03-14 | 可冲洗螺旋式抽油杆扶正器打捞工具 |
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Cited By (1)
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CN111878004A (zh) * | 2020-01-21 | 2020-11-03 | 大庆油田有限责任公司 | 膛线式抽油杆扶正器及油管反循环打捞筒 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111878004A (zh) * | 2020-01-21 | 2020-11-03 | 大庆油田有限责任公司 | 膛线式抽油杆扶正器及油管反循环打捞筒 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: DAQING JINGTAI PETROLEUM ENGINEERING TECHNOLOGY CO Free format text: FORMER NAME: DAQING OILFIELD JINGTAI PETROLEUM ENGINEERING TECHNOLOGY CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 163316 No. 8, new air route three, industry zone, Daqing hi tech Zone, Heilongjiang Patentee after: Daqing Jingtai Petroleum Engineering Technology Co., Ltd. Address before: 163316 No. 8, new air route three, industry zone, Daqing hi tech Zone, Heilongjiang Patentee before: Daqing Oilfield Jingtai Petroleum Engineering Technology Co., Ltd. |
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AV01 | Patent right actively abandoned |
Granted publication date: 20110831 Effective date of abandoning: 20180207 |
|
AV01 | Patent right actively abandoned |