CN1702291A - 提油管泄油器 - Google Patents
提油管泄油器 Download PDFInfo
- Publication number
- CN1702291A CN1702291A CN 200510043764 CN200510043764A CN1702291A CN 1702291 A CN1702291 A CN 1702291A CN 200510043764 CN200510043764 CN 200510043764 CN 200510043764 A CN200510043764 A CN 200510043764A CN 1702291 A CN1702291 A CN 1702291A
- Authority
- CN
- China
- Prior art keywords
- oil
- draining
- pipe
- interior pipe
- friction mechanism
- 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.)
- Granted
Links
Images
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- Pipe Accessories (AREA)
- Lubricants (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200510043764 CN1702291B (zh) | 2005-06-07 | 2005-06-07 | 提油管泄油器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200510043764 CN1702291B (zh) | 2005-06-07 | 2005-06-07 | 提油管泄油器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1702291A true CN1702291A (zh) | 2005-11-30 |
CN1702291B CN1702291B (zh) | 2010-09-29 |
Family
ID=35632222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200510043764 Expired - Fee Related CN1702291B (zh) | 2005-06-07 | 2005-06-07 | 提油管泄油器 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1702291B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101148977B (zh) * | 2007-10-10 | 2011-04-13 | 白霞 | 一种油管泄油器 |
CN111810081A (zh) * | 2019-04-12 | 2020-10-23 | 中国石油天然气集团有限公司 | 一种泄油装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4629002A (en) * | 1985-10-18 | 1986-12-16 | Camco, Incorporated | Equalizing means for a subsurface well safety valve |
US5020592A (en) * | 1988-12-09 | 1991-06-04 | Dowell Schlumberger Incorporated | Tool for treating subterranean wells |
CN2457336Y (zh) * | 2000-08-21 | 2001-10-31 | 胜利石油管理局采油工艺研究院 | 轨道旋转式泄油器 |
CN2702052Y (zh) * | 2004-03-16 | 2005-05-25 | 王金江 | 泄油器 |
CN2695627Y (zh) * | 2004-04-18 | 2005-04-27 | 孙月东 | 旋转泄油器 |
CN2903357Y (zh) * | 2005-05-12 | 2007-05-23 | 孙贵艳 | 提油管泄油器 |
-
2005
- 2005-06-07 CN CN 200510043764 patent/CN1702291B/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101148977B (zh) * | 2007-10-10 | 2011-04-13 | 白霞 | 一种油管泄油器 |
CN111810081A (zh) * | 2019-04-12 | 2020-10-23 | 中国石油天然气集团有限公司 | 一种泄油装置 |
Also Published As
Publication number | Publication date |
---|---|
CN1702291B (zh) | 2010-09-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Fan Minglai Inventor after: Han Jinfeng Inventor after: Xu Hailing Inventor after: Zhao Peng Inventor after: Dai Hongzhong Inventor after: Zhou Changsheng Inventor before: Duan Shian Inventor before: Sun Guiyan |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: DUAN SHIAN SUN GUIYAN TO: FAN MINGLAI HAN JINFENG XU HAILING ZHAO PENG LU HONGZHONG ZHOU ZHANGSHENG |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20110607 |