CN202970529U - 三头螺旋钻杆 - Google Patents
三头螺旋钻杆 Download PDFInfo
- Publication number
- CN202970529U CN202970529U CN2012206089513U CN201220608951U CN202970529U CN 202970529 U CN202970529 U CN 202970529U CN 2012206089513 U CN2012206089513 U CN 2012206089513U CN 201220608951 U CN201220608951 U CN 201220608951U CN 202970529 U CN202970529 U CN 202970529U
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- CN
- China
- Prior art keywords
- drill stem
- drilling rod
- rod body
- button
- head spiral
- 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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Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012206089513U CN202970529U (zh) | 2012-11-16 | 2012-11-16 | 三头螺旋钻杆 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012206089513U CN202970529U (zh) | 2012-11-16 | 2012-11-16 | 三头螺旋钻杆 |
Publications (1)
Publication Number | Publication Date |
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CN202970529U true CN202970529U (zh) | 2013-06-05 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2012206089513U Expired - Fee Related CN202970529U (zh) | 2012-11-16 | 2012-11-16 | 三头螺旋钻杆 |
Country Status (1)
Country | Link |
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CN (1) | CN202970529U (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103711440A (zh) * | 2013-12-19 | 2014-04-09 | 江苏曙光华阳钻具有限公司 | 螺旋式加重钻杆 |
CN108868661A (zh) * | 2018-08-31 | 2018-11-23 | 河南铁福来装备制造股份有限公司 | 一种钻冲两用三翼螺旋高压密封钻杆 |
-
2012
- 2012-11-16 CN CN2012206089513U patent/CN202970529U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103711440A (zh) * | 2013-12-19 | 2014-04-09 | 江苏曙光华阳钻具有限公司 | 螺旋式加重钻杆 |
CN108868661A (zh) * | 2018-08-31 | 2018-11-23 | 河南铁福来装备制造股份有限公司 | 一种钻冲两用三翼螺旋高压密封钻杆 |
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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: HANGZHOU XIANGLONG DRILLING EQUIPMENT TECHNOLOGY C Free format text: FORMER NAME: HANGZHOU XIANGLONG DRILLING EQUIPMENT CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 311504 worker Road, the Fuchun River Town, Tonglu County, Hangzhou, Zhejiang Patentee after: Hangzhou Xianglong Drilling Equipment Technology Co., Ltd. Address before: 311504 worker Road, the Fuchun River Town, Tonglu County, Hangzhou, Zhejiang Patentee before: Hangzhou Xianglong Drilling Equipment 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: 20130605 Termination date: 20201116 |