CN201173117Y - 随钻测量仪器流管弹簧总成 - Google Patents
随钻测量仪器流管弹簧总成 Download PDFInfo
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- CN201173117Y CN201173117Y CNU2008200011985U CN200820001198U CN201173117Y CN 201173117 Y CN201173117 Y CN 201173117Y CN U2008200011985 U CNU2008200011985 U CN U2008200011985U CN 200820001198 U CN200820001198 U CN 200820001198U CN 201173117 Y CN201173117 Y CN 201173117Y
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008200011985U CN201173117Y (zh) | 2008-01-18 | 2008-01-18 | 随钻测量仪器流管弹簧总成 |
Applications Claiming Priority (1)
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CNU2008200011985U CN201173117Y (zh) | 2008-01-18 | 2008-01-18 | 随钻测量仪器流管弹簧总成 |
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CN201173117Y true CN201173117Y (zh) | 2008-12-31 |
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CNU2008200011985U Expired - Fee Related CN201173117Y (zh) | 2008-01-18 | 2008-01-18 | 随钻测量仪器流管弹簧总成 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106837312A (zh) * | 2016-06-29 | 2017-06-13 | 李泽深 | 一种无保护筒式信息传输发生装置的使用方法 |
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2008
- 2008-01-18 CN CNU2008200011985U patent/CN201173117Y/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106837312A (zh) * | 2016-06-29 | 2017-06-13 | 李泽深 | 一种无保护筒式信息传输发生装置的使用方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: CHINA PETROLEUM GROUP POHAI DRILLING ENGINEERING C Free format text: FORMER OWNER: DAGANG OILFIELD GROUP CO., LTD. Effective date: 20090508 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090508 Address after: No. 106 Huang Hai Road, Tianjin economic and Technological Development Zone, post code: 300457 Patentee after: CNPC Bohai Drilling Engineering Co., Ltd. Address before: No. three, Dagang Oilfield, Tianjin, zip code: 300280 Co-patentee before: Directional well technology service company of Dagang Oilfield Group Patentee before: Dagang Oilfield Refco Group 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: 20081231 Termination date: 20170118 |