CN203175411U - 外加厚无焊缝钻杆 - Google Patents
外加厚无焊缝钻杆 Download PDFInfo
- Publication number
- CN203175411U CN203175411U CN 201320149054 CN201320149054U CN203175411U CN 203175411 U CN203175411 U CN 203175411U CN 201320149054 CN201320149054 CN 201320149054 CN 201320149054 U CN201320149054 U CN 201320149054U CN 203175411 U CN203175411 U CN 203175411U
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- CN
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- Prior art keywords
- pipe body
- drill rod
- drill pipe
- external upset
- line
- 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.)
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Abstract
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Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201320149054 CN203175411U (zh) | 2013-03-29 | 2013-03-29 | 外加厚无焊缝钻杆 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201320149054 CN203175411U (zh) | 2013-03-29 | 2013-03-29 | 外加厚无焊缝钻杆 |
Publications (1)
Publication Number | Publication Date |
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CN203175411U true CN203175411U (zh) | 2013-09-04 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201320149054 Expired - Fee Related CN203175411U (zh) | 2013-03-29 | 2013-03-29 | 外加厚无焊缝钻杆 |
Country Status (1)
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CN (1) | CN203175411U (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106437543A (zh) * | 2016-11-30 | 2017-02-22 | 无锡双马钻探工具有限公司 | 一种高韧性非开挖定向钻杆 |
CN107829694A (zh) * | 2017-10-19 | 2018-03-23 | 中国石油集团渤海石油装备制造有限公司 | 一种定向钻穿越用柔性钻杆 |
-
2013
- 2013-03-29 CN CN 201320149054 patent/CN203175411U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106437543A (zh) * | 2016-11-30 | 2017-02-22 | 无锡双马钻探工具有限公司 | 一种高韧性非开挖定向钻杆 |
CN107829694A (zh) * | 2017-10-19 | 2018-03-23 | 中国石油集团渤海石油装备制造有限公司 | 一种定向钻穿越用柔性钻杆 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent of invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Du Lin Inventor after: Ba Lin Inventor after: Li Zhenfang Inventor before: Du Lin |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: DU LIN TO: DU LIN BA LIN LI ZHENFANG |
|
TR01 | Transfer of patent right |
Effective date of registration: 20200923 Address after: No.56 Shengxing Road, Kenli District, Dongying City, Shandong Province Patentee after: Shandong Mingzhu drilling tools Co.,Ltd. Address before: 257500 Shandong Dongying County Economic Development Zone, Kenli province wins Road East head Patentee before: SHANDONG MINGZHU PETROLEUM EQUIPMENT Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20210329 |
|
CF01 | Termination of patent right due to non-payment of annual fee |