CN203097738U - 大口径高抗扭穿越用钻杆 - Google Patents
大口径高抗扭穿越用钻杆 Download PDFInfo
- Publication number
- CN203097738U CN203097738U CN2012206539638U CN201220653963U CN203097738U CN 203097738 U CN203097738 U CN 203097738U CN 2012206539638 U CN2012206539638 U CN 2012206539638U CN 201220653963 U CN201220653963 U CN 201220653963U CN 203097738 U CN203097738 U CN 203097738U
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- China
- Prior art keywords
- segment
- parallel
- drilling rod
- pipe section
- taper pipe
- 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 - Fee Related
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012206539638U CN203097738U (zh) | 2012-11-30 | 2012-11-30 | 大口径高抗扭穿越用钻杆 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012206539638U CN203097738U (zh) | 2012-11-30 | 2012-11-30 | 大口径高抗扭穿越用钻杆 |
Publications (1)
Publication Number | Publication Date |
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CN203097738U true CN203097738U (zh) | 2013-07-31 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2012206539638U Expired - Fee Related CN203097738U (zh) | 2012-11-30 | 2012-11-30 | 大口径高抗扭穿越用钻杆 |
Country Status (1)
Country | Link |
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CN (1) | CN203097738U (zh) |
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2012
- 2012-11-30 CN CN2012206539638U patent/CN203097738U/zh not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170510 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee after: China Petroleum Pipeline Engineering Co.,Ltd. Patentee after: China National Petroleum Corp. Co-patentee after: SHANGHAI HILONG DIRLL PIPES Co.,Ltd. Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee before: CHINA PETROLEUM PIPELINE BUREAU Patentee before: China National Petroleum Corp. Co-patentee before: SHANGHAI HILONG DIRLL PIPES Co.,Ltd. |
|
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: 20130731 Termination date: 20211130 |