CN203978395U - 变螺距涡流导流装置 - Google Patents
变螺距涡流导流装置 Download PDFInfo
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- CN203978395U CN203978395U CN201420292207.6U CN201420292207U CN203978395U CN 203978395 U CN203978395 U CN 203978395U CN 201420292207 U CN201420292207 U CN 201420292207U CN 203978395 U CN203978395 U CN 203978395U
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CN201420292207.6U CN203978395U (zh) | 2014-06-03 | 2014-06-03 | 变螺距涡流导流装置 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105134138A (zh) * | 2015-09-07 | 2015-12-09 | 中山乐满石油设备有限公司 | 一种用于井下涡流工具的密封机构 |
CN107664022A (zh) * | 2016-07-29 | 2018-02-06 | 中国石油天然气股份有限公司 | 涡流导流装置 |
CN109113670A (zh) * | 2017-06-23 | 2019-01-01 | 中国石油天然气股份有限公司 | 一种电动密封式涡流导流装置 |
CN116398095A (zh) * | 2023-06-08 | 2023-07-07 | 陕西思越石油装备制造工程有限公司 | 一种地面涡流排水装置 |
-
2014
- 2014-06-03 CN CN201420292207.6U patent/CN203978395U/zh not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105134138A (zh) * | 2015-09-07 | 2015-12-09 | 中山乐满石油设备有限公司 | 一种用于井下涡流工具的密封机构 |
CN107664022A (zh) * | 2016-07-29 | 2018-02-06 | 中国石油天然气股份有限公司 | 涡流导流装置 |
CN109113670A (zh) * | 2017-06-23 | 2019-01-01 | 中国石油天然气股份有限公司 | 一种电动密封式涡流导流装置 |
CN109113670B (zh) * | 2017-06-23 | 2020-11-03 | 中国石油天然气股份有限公司 | 一种电动密封式涡流导流装置 |
CN116398095A (zh) * | 2023-06-08 | 2023-07-07 | 陕西思越石油装备制造工程有限公司 | 一种地面涡流排水装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 300270 Tianjin Binhai New Area Dagang No.3 Hospital Co-patentee after: DAGANG OILFIELD GROUP Co.,Ltd. Patentee after: Tianjin Dagang Oilfield Petroleum Engineering Research Institute Drilling Technology Development Co.,Ltd. Address before: 300270 Tianjin Binhai New Area Dagang No.3 Hospital Co-patentee before: DAGANG OILFIELD GROUP Co.,Ltd. Patentee before: TIANJIN DAGANG OILFIELD PETROLEUM ENGINEERING RESEARCH INSTITUTE DRILLING AND PRODUCTION TECHNOLOGY DEVELOPMENT CO. |
|
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 300270 Tianjin Binhai New Area Dagang No.3 Hospital Co-patentee after: DAGANG OILFIELD GROUP Co.,Ltd. Patentee after: TIANJIN DAGANG OILFIELD PETROLEUM ENGINEERING RESEARCH INSTITUTE DRILLING AND PRODUCTION TECHNOLOGY DEVELOPMENT CO. Address before: No.3 Dagang Oilfield Hospital, Dagang District, Tianjin Co-patentee before: DAGANG OILFIELD GROUP Co.,Ltd. Patentee before: TIANJIN DAGANG OIL FIELD DRILLING TECHNOLOGY DEVELOPMENT CO. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20200603 |