CN2630467Y - 油井用特种圆螺纹套管 - Google Patents
油井用特种圆螺纹套管 Download PDFInfo
- Publication number
- CN2630467Y CN2630467Y CN 03264345 CN03264345U CN2630467Y CN 2630467 Y CN2630467 Y CN 2630467Y CN 03264345 CN03264345 CN 03264345 CN 03264345 U CN03264345 U CN 03264345U CN 2630467 Y CN2630467 Y CN 2630467Y
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- China
- Prior art keywords
- thread
- pipe
- oil well
- sleeve pipe
- special
- 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.)
- Expired - Lifetime
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- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03264345 CN2630467Y (zh) | 2003-06-19 | 2003-06-19 | 油井用特种圆螺纹套管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03264345 CN2630467Y (zh) | 2003-06-19 | 2003-06-19 | 油井用特种圆螺纹套管 |
Publications (1)
Publication Number | Publication Date |
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CN2630467Y true CN2630467Y (zh) | 2004-08-04 |
Family
ID=34297239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 03264345 Expired - Lifetime CN2630467Y (zh) | 2003-06-19 | 2003-06-19 | 油井用特种圆螺纹套管 |
Country Status (1)
Country | Link |
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CN (1) | CN2630467Y (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170037944A1 (en) * | 2014-04-07 | 2017-02-09 | Igus Gmbh | Lead screw drive with asymmetrical internal and external thread and corresponding spindle nut |
-
2003
- 2003-06-19 CN CN 03264345 patent/CN2630467Y/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170037944A1 (en) * | 2014-04-07 | 2017-02-09 | Igus Gmbh | Lead screw drive with asymmetrical internal and external thread and corresponding spindle nut |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: DALIPU OCTG CO., LTD. Free format text: FORMER NAME OR ADDRESS: CANGZHOU NORTH CHINA SPECIALIZED PETROLEUM PIPE CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: Worker peasant Road, Cangzhou, Hebei Province, China: 061000 Patentee after: DALIPAL PIPE COMPANY Address before: Worker peasant Road, Cangzhou, Hebei Province, China: 061000 Patentee before: Huabei Petroleum Special Pipe Co., Ltd., Cangzhou |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20130619 Granted publication date: 20040804 |