CN202673170U - 一种炮栓式隔水管接头 - Google Patents
一种炮栓式隔水管接头 Download PDFInfo
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- CN202673170U CN202673170U CN 201220347788 CN201220347788U CN202673170U CN 202673170 U CN202673170 U CN 202673170U CN 201220347788 CN201220347788 CN 201220347788 CN 201220347788 U CN201220347788 U CN 201220347788U CN 202673170 U CN202673170 U CN 202673170U
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CN 201220347788 CN202673170U (zh) | 2012-07-17 | 2012-07-17 | 一种炮栓式隔水管接头 |
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CN 201220347788 CN202673170U (zh) | 2012-07-17 | 2012-07-17 | 一种炮栓式隔水管接头 |
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CN202673170U true CN202673170U (zh) | 2013-01-16 |
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CN 201220347788 Expired - Lifetime CN202673170U (zh) | 2012-07-17 | 2012-07-17 | 一种炮栓式隔水管接头 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103696740A (zh) * | 2013-12-25 | 2014-04-02 | 中国海洋石油总公司 | 一种炮栓式隔水导管接头 |
CN104499955A (zh) * | 2014-11-24 | 2015-04-08 | 宝鸡石油机械有限责任公司 | 一种推块复合锁紧型快接式钻井隔水管连接器 |
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2012
- 2012-07-17 CN CN 201220347788 patent/CN202673170U/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103696740A (zh) * | 2013-12-25 | 2014-04-02 | 中国海洋石油总公司 | 一种炮栓式隔水导管接头 |
CN104499955A (zh) * | 2014-11-24 | 2015-04-08 | 宝鸡石油机械有限责任公司 | 一种推块复合锁紧型快接式钻井隔水管连接器 |
CN104499955B (zh) * | 2014-11-24 | 2016-12-07 | 宝鸡石油机械有限责任公司 | 一种推块复合锁紧型快接式钻井隔水管连接器 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100016 4705 mailbox, CNOOC building, 25 Chaoyangmen North Street, Dongcheng District, Beijing. Co-patentee after: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Address before: 100016 4705 mailbox, CNOOC building, 25 Chaoyangmen North Street, Dongcheng District, Beijing. Co-patentee before: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. |
|
CP01 | Change in the name or title of a patent holder | ||
CX01 | Expiry of patent term |
Granted publication date: 20130116 |
|
CX01 | Expiry of patent term |