CN202788732U - 一种用于油井测试中的防喷器 - Google Patents
一种用于油井测试中的防喷器 Download PDFInfo
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- CN202788732U CN202788732U CN 201220520145 CN201220520145U CN202788732U CN 202788732 U CN202788732 U CN 202788732U CN 201220520145 CN201220520145 CN 201220520145 CN 201220520145 U CN201220520145 U CN 201220520145U CN 202788732 U CN202788732 U CN 202788732U
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CN 201220520145 CN202788732U (zh) | 2012-10-11 | 2012-10-11 | 一种用于油井测试中的防喷器 |
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CN 201220520145 CN202788732U (zh) | 2012-10-11 | 2012-10-11 | 一种用于油井测试中的防喷器 |
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CN202788732U true CN202788732U (zh) | 2013-03-13 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105863539A (zh) * | 2016-05-16 | 2016-08-17 | 徐秀 | 一种井口防喷管内仪器抓取器 |
CN110424919A (zh) * | 2019-04-29 | 2019-11-08 | 辽宁新华仪器有限公司 | 水井防顶防喷工具 |
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- 2012-10-11 CN CN 201220520145 patent/CN202788732U/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105863539A (zh) * | 2016-05-16 | 2016-08-17 | 徐秀 | 一种井口防喷管内仪器抓取器 |
CN110424919A (zh) * | 2019-04-29 | 2019-11-08 | 辽宁新华仪器有限公司 | 水井防顶防喷工具 |
CN110424919B (zh) * | 2019-04-29 | 2024-05-07 | 辽宁新华仪器有限公司 | 水井防顶防喷工具 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Hu Chunying Inventor after: Han Xia Inventor after: Liu Mingyang Inventor after: Wang Zhuo Inventor before: Hu Chunying Inventor before: Han Xia Inventor before: Liu Mingyang |
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COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: HU CHUNYING HAN XIA LIU MINGYANG TO: HU CHUNYING HAN XIA LIU MINGYANG WANG ZHUO |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20151011 |
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EXPY | Termination of patent right or utility model |