CN103883264B - 陶瓷涂层防偏磨钻柱降摩减扭短节 - Google Patents
陶瓷涂层防偏磨钻柱降摩减扭短节 Download PDFInfo
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- CN103883264B CN103883264B CN201410106338.5A CN201410106338A CN103883264B CN 103883264 B CN103883264 B CN 103883264B CN 201410106338 A CN201410106338 A CN 201410106338A CN 103883264 B CN103883264 B CN 103883264B
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- antifriction
- nested
- rub
- pipe nipple
- axle sleeve
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CN201410106338.5A CN103883264B (zh) | 2014-03-21 | 2014-03-21 | 陶瓷涂层防偏磨钻柱降摩减扭短节 |
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CN201410106338.5A CN103883264B (zh) | 2014-03-21 | 2014-03-21 | 陶瓷涂层防偏磨钻柱降摩减扭短节 |
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CN103883264A CN103883264A (zh) | 2014-06-25 |
CN103883264B true CN103883264B (zh) | 2016-05-25 |
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CN201410106338.5A Expired - Fee Related CN103883264B (zh) | 2014-03-21 | 2014-03-21 | 陶瓷涂层防偏磨钻柱降摩减扭短节 |
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Families Citing this family (1)
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CN112761546A (zh) * | 2021-02-04 | 2021-05-07 | 西南石油大学 | 减阻防磨钻柱保护器 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4911479A (en) * | 1988-10-07 | 1990-03-27 | Claycomb Jack R | Durable blast joint |
US5377751A (en) * | 1992-01-29 | 1995-01-03 | Rickert Precision Industries | Apparatus and method for centralizing downhole pipe and blast joints |
CN2646368Y (zh) * | 2003-07-04 | 2004-10-06 | 东营市江润石油科技发展有限公司 | 油管、抽油杆防偏磨副 |
CN201363103Y (zh) * | 2009-01-13 | 2009-12-16 | 西南石油大学 | 一种复合式防磨减扭工具 |
CN201502339U (zh) * | 2009-09-24 | 2010-06-09 | 西南石油大学 | 一种对开复合衬套式减扭防磨工具 |
CN201650150U (zh) * | 2010-03-12 | 2010-11-24 | 陈晓辉 | 新型弹性支撑式抗磨减磨副 |
CN203783484U (zh) * | 2014-03-21 | 2014-08-20 | 中国石油天然气股份有限公司冀东油田分公司钻采工艺研究院 | 陶瓷涂层防偏磨钻柱降摩减扭短节 |
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CN103883264A (zh) | 2014-06-25 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Xu Xiaofeng Inventor after: Hu Zhongzhi Inventor after: Wang Zaiming Inventor after: Zhu Kuanliang Inventor after: Li Yunfeng Inventor after: Xu Ji Inventor after: Li Rui Inventor after: Feng Jinghai Inventor before: Xu Xiaofeng Inventor before: Hu Zhongzhi Inventor before: Wang Zaiming Inventor before: Zhu Kuanliang Inventor before: Li Yunfeng Inventor before: Xu Ji Inventor before: Li Rui |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: XU XIAOFENG HU ZHONGZHI WANG ZAIMING ZHU KUANLIANG LI YUNFENG XU JI LI RUI TO: XU XIAOFENG HU ZHONGZHI WANG ZAIMING ZHU KUANLIANG LI YUNFENG XU JI LI RUI FENG JINGHAI |
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SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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: 20160525 Termination date: 20190321 |