CN203570297U - 试井测试柔性加重杆 - Google Patents
试井测试柔性加重杆 Download PDFInfo
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- CN203570297U CN203570297U CN201320678816.0U CN201320678816U CN203570297U CN 203570297 U CN203570297 U CN 203570297U CN 201320678816 U CN201320678816 U CN 201320678816U CN 203570297 U CN203570297 U CN 203570297U
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CN201320678816.0U CN203570297U (zh) | 2013-10-30 | 2013-10-30 | 试井测试柔性加重杆 |
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CN201320678816.0U CN203570297U (zh) | 2013-10-30 | 2013-10-30 | 试井测试柔性加重杆 |
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CN203570297U true CN203570297U (zh) | 2014-04-30 |
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CN201320678816.0U Expired - Fee Related CN203570297U (zh) | 2013-10-30 | 2013-10-30 | 试井测试柔性加重杆 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109505582A (zh) * | 2018-11-30 | 2019-03-22 | 四川圣诺油气工程技术服务有限公司 | 一种滚轮柔性短节 |
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- 2013-10-30 CN CN201320678816.0U patent/CN203570297U/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109505582A (zh) * | 2018-11-30 | 2019-03-22 | 四川圣诺油气工程技术服务有限公司 | 一种滚轮柔性短节 |
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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 | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201224 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: 300457 Tianjin Binhai New Area Development Zone Huanghai Road 106 Bohai Drilling Engineering Co., Ltd. science and Technology Development Office Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
|
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: 20140430 Termination date: 20211030 |