CN2793296Y - 新型焊接式加重钻杆 - Google Patents
新型焊接式加重钻杆 Download PDFInfo
- Publication number
- CN2793296Y CN2793296Y CN 200520071674 CN200520071674U CN2793296Y CN 2793296 Y CN2793296 Y CN 2793296Y CN 200520071674 CN200520071674 CN 200520071674 CN 200520071674 U CN200520071674 U CN 200520071674U CN 2793296 Y CN2793296 Y CN 2793296Y
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- Prior art keywords
- utility
- model
- drill rod
- joint
- weight drill
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- 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.)
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Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200520071674 CN2793296Y (zh) | 2005-05-16 | 2005-05-16 | 新型焊接式加重钻杆 |
Applications Claiming Priority (1)
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CN 200520071674 CN2793296Y (zh) | 2005-05-16 | 2005-05-16 | 新型焊接式加重钻杆 |
Publications (1)
Publication Number | Publication Date |
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CN2793296Y true CN2793296Y (zh) | 2006-07-05 |
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Family Applications (1)
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CN 200520071674 Expired - Fee Related CN2793296Y (zh) | 2005-05-16 | 2005-05-16 | 新型焊接式加重钻杆 |
Country Status (1)
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CN (1) | CN2793296Y (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101871325A (zh) * | 2010-07-09 | 2010-10-27 | 天津钢管集团股份有限公司 | 作业油管螺纹连接结构 |
CN101871324A (zh) * | 2010-07-09 | 2010-10-27 | 天津钢管集团股份有限公司 | 特殊高压完井油管的连接结构 |
CN101899953A (zh) * | 2010-08-16 | 2010-12-01 | 天津钢管集团股份有限公司 | 高性能油套管螺纹的接头结构 |
-
2005
- 2005-05-16 CN CN 200520071674 patent/CN2793296Y/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101871325A (zh) * | 2010-07-09 | 2010-10-27 | 天津钢管集团股份有限公司 | 作业油管螺纹连接结构 |
CN101871324A (zh) * | 2010-07-09 | 2010-10-27 | 天津钢管集团股份有限公司 | 特殊高压完井油管的连接结构 |
CN101899953A (zh) * | 2010-08-16 | 2010-12-01 | 天津钢管集团股份有限公司 | 高性能油套管螺纹的接头结构 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Shuguang Petroleum Drilling Equipment Co.,Ltd. Assignor: JIangsu Shuguang Group Co., Ltd. Contract fulfillment period: 2007.12.1 to 2014.11.30 Contract record no.: 2009320001294 Denomination of utility model: Welded and accentuated drilling rod Granted publication date: 20060705 License type: Exclusive license Record date: 20090729 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.12.1 TO 2014.11.30; CHANGE OF CONTRACT Name of requester: JIANGSU SHUGUANG PETROLEUM DRILLING EQUIPMENT CO., Effective date: 20090729 |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060705 Termination date: 20140516 |