CN205422638U - 一种新型复合桥塞 - Google Patents
一种新型复合桥塞 Download PDFInfo
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- CN205422638U CN205422638U CN201620226422.5U CN201620226422U CN205422638U CN 205422638 U CN205422638 U CN 205422638U CN 201620226422 U CN201620226422 U CN 201620226422U CN 205422638 U CN205422638 U CN 205422638U
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- vertebral body
- central canal
- centrum
- bridging plug
- throw
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Abstract
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Priority Applications (1)
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CN201620226422.5U CN205422638U (zh) | 2016-03-18 | 2016-03-18 | 一种新型复合桥塞 |
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CN201620226422.5U CN205422638U (zh) | 2016-03-18 | 2016-03-18 | 一种新型复合桥塞 |
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CN205422638U true CN205422638U (zh) | 2016-08-03 |
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CN201620226422.5U Expired - Fee Related CN205422638U (zh) | 2016-03-18 | 2016-03-18 | 一种新型复合桥塞 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106437614A (zh) * | 2016-10-18 | 2017-02-22 | 中国石油集团长城钻探工程有限公司 | 水平井全通径可溶可降解压裂桥塞 |
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2016
- 2016-03-18 CN CN201620226422.5U patent/CN205422638U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106437614A (zh) * | 2016-10-18 | 2017-02-22 | 中国石油集团长城钻探工程有限公司 | 水平井全通径可溶可降解压裂桥塞 |
CN106437614B (zh) * | 2016-10-18 | 2019-01-22 | 中国石油集团长城钻探工程有限公司 | 水平井全通径可溶可降解压裂桥塞 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180717 Address after: 065001 Xiangyun Road, Langfang Development Zone, Langfang, Hebei 108 Patentee after: Langfang Development Zone offshore oil field service Co.,Ltd. Address before: 510000 B1B2, one, two, three and four floors of the podium building 231 and 233, science Avenue, Guangzhou, Guangdong. Patentee before: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Effective date of registration: 20180717 Address after: 510000 B1B2, one, two, three and four floors of the podium building 231 and 233, science Avenue, Guangzhou, Guangdong. Patentee after: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Address before: 610500 No. 136, Wen Jia two lane, violet street, Xindu street, Xindu District, Chengdu, Sichuan Patentee before: CHENGDU JIAGE TECHNOLOGY Co.,Ltd. |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20210318 |
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CF01 | Termination of patent right due to non-payment of annual fee |