CN202718631U - 一种高抗扭钻杆接头 - Google Patents
一种高抗扭钻杆接头 Download PDFInfo
- Publication number
- CN202718631U CN202718631U CN201220442728.6U CN201220442728U CN202718631U CN 202718631 U CN202718631 U CN 202718631U CN 201220442728 U CN201220442728 U CN 201220442728U CN 202718631 U CN202718631 U CN 202718631U
- Authority
- CN
- China
- Prior art keywords
- joint
- thread
- drill pipe
- pipe joint
- spigot
- 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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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201220442728.6U CN202718631U (zh) | 2012-09-03 | 2012-09-03 | 一种高抗扭钻杆接头 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201220442728.6U CN202718631U (zh) | 2012-09-03 | 2012-09-03 | 一种高抗扭钻杆接头 |
Publications (1)
Publication Number | Publication Date |
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CN202718631U true CN202718631U (zh) | 2013-02-06 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201220442728.6U Expired - Lifetime CN202718631U (zh) | 2012-09-03 | 2012-09-03 | 一种高抗扭钻杆接头 |
Country Status (1)
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CN (1) | CN202718631U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10184596B2 (en) | 2014-12-05 | 2019-01-22 | China National Petroleum Corporation | Connection structure between pipe body and joint of aluminum alloy drill pipe |
-
2012
- 2012-09-03 CN CN201220442728.6U patent/CN202718631U/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10184596B2 (en) | 2014-12-05 | 2019-01-22 | China National Petroleum Corporation | Connection structure between pipe body and joint of aluminum alloy drill pipe |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SHI QI Free format text: FORMER OWNER: ZIBO SIZHUANG ALUMINIUM CO., LTD. Effective date: 20131114 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 255000 ZIBO, SHANDONG PROVINCE TO: 255130 ZIBO, SHANDONG PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20131114 Address after: Zhangdian District of Shandong city in Zibo province 255130 Unicom Road No. 288, No. 1 long financed Court Building 1 Unit No. 1602 Patentee after: Shi Qi Address before: 255000 Shandong city of Zibo province Zibo Development Zone Jiangxi road Zibo village strong Aluminium Co. Ltd. Patentee before: Zibo Sizhuang Aluminum Co.,Ltd. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20130206 |