CN207177744U - 钻井工具清洁喷嘴安装支架 - Google Patents
钻井工具清洁喷嘴安装支架 Download PDFInfo
- Publication number
- CN207177744U CN207177744U CN201720749878.4U CN201720749878U CN207177744U CN 207177744 U CN207177744 U CN 207177744U CN 201720749878 U CN201720749878 U CN 201720749878U CN 207177744 U CN207177744 U CN 207177744U
- Authority
- CN
- China
- Prior art keywords
- pole
- nozzle mounting
- drilling tool
- hole
- mounting bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720749878.4U CN207177744U (zh) | 2017-06-26 | 2017-06-26 | 钻井工具清洁喷嘴安装支架 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720749878.4U CN207177744U (zh) | 2017-06-26 | 2017-06-26 | 钻井工具清洁喷嘴安装支架 |
Publications (1)
Publication Number | Publication Date |
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CN207177744U true CN207177744U (zh) | 2018-04-03 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201720749878.4U Expired - Fee Related CN207177744U (zh) | 2017-06-26 | 2017-06-26 | 钻井工具清洁喷嘴安装支架 |
Country Status (1)
Country | Link |
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CN (1) | CN207177744U (zh) |
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2017
- 2017-06-26 CN CN201720749878.4U patent/CN207177744U/zh not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211122 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 Second Avenue 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 |
|
CF01 | Termination of patent right due to non-payment of annual fee |