CN201100099Y - 数字螺纹改进型双台肩高抗扭钻杆接头 - Google Patents
数字螺纹改进型双台肩高抗扭钻杆接头 Download PDFInfo
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- CN201100099Y CN201100099Y CNU2007200768219U CN200720076821U CN201100099Y CN 201100099 Y CN201100099 Y CN 201100099Y CN U2007200768219 U CNU2007200768219 U CN U2007200768219U CN 200720076821 U CN200720076821 U CN 200720076821U CN 201100099 Y CN201100099 Y CN 201100099Y
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- screw thread
- joint
- api
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- Earth Drilling (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2007200768219U CN201100099Y (zh) | 2007-10-31 | 2007-10-31 | 数字螺纹改进型双台肩高抗扭钻杆接头 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2007200768219U CN201100099Y (zh) | 2007-10-31 | 2007-10-31 | 数字螺纹改进型双台肩高抗扭钻杆接头 |
Publications (1)
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CN201100099Y true CN201100099Y (zh) | 2008-08-13 |
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CNU2007200768219U Expired - Fee Related CN201100099Y (zh) | 2007-10-31 | 2007-10-31 | 数字螺纹改进型双台肩高抗扭钻杆接头 |
Country Status (1)
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102597599A (zh) * | 2009-09-02 | 2012-07-18 | 住友金属工业株式会社 | 管螺纹接头用保护装置 |
-
2007
- 2007-10-31 CN CNU2007200768219U patent/CN201100099Y/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102597599A (zh) * | 2009-09-02 | 2012-07-18 | 住友金属工业株式会社 | 管螺纹接头用保护装置 |
CN102597599B (zh) * | 2009-09-02 | 2014-07-23 | 住友金属工业株式会社 | 管螺纹接头用保护装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HAILONG PETROLEUM DRILLING TOOL (WUXI) CO., LTD. Assignor: Shanghai Hailong Petroleum Pipe Material Institute Contract fulfillment period: 2009.8.6 to 2014.4.30 Contract record no.: 2009320001486 Denomination of utility model: Digital screw thread modified type double shoulder highly anti-twisting drill pipe joint Granted publication date: 20080813 License type: Exclusive license Record date: 20090811 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.8.6 TO 2014.4.30; CHANGE OF CONTRACT Name of requester: HAILONG PETROLEUM DRILLING TOOLS ( WUXI ) CO., LTD Effective date: 20090811 |
|
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |