CN215057183U - High-performance wear-resistant core pipe - Google Patents
High-performance wear-resistant core pipe Download PDFInfo
- Publication number
- CN215057183U CN215057183U CN202120421082.2U CN202120421082U CN215057183U CN 215057183 U CN215057183 U CN 215057183U CN 202120421082 U CN202120421082 U CN 202120421082U CN 215057183 U CN215057183 U CN 215057183U
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- pipe
- fixing device
- limiting ring
- drill bit
- joint
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- 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.)
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- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000000178 monomer Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120421082.2U CN215057183U (en) | 2021-02-25 | 2021-02-25 | High-performance wear-resistant core pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120421082.2U CN215057183U (en) | 2021-02-25 | 2021-02-25 | High-performance wear-resistant core pipe |
Publications (1)
Publication Number | Publication Date |
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CN215057183U true CN215057183U (en) | 2021-12-07 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202120421082.2U Active CN215057183U (en) | 2021-02-25 | 2021-02-25 | High-performance wear-resistant core pipe |
Country Status (1)
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CN (1) | CN215057183U (en) |
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2021
- 2021-02-25 CN CN202120421082.2U patent/CN215057183U/en active Active
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240711 Address after: Building 8, Block C, Block G, No. 218 Guangfu Road, Qingyang Industrial Concentration Development Zone (East District), Chengdu City, Sichuan Province 610000 Patentee after: Sichuan Huafeng Drilling Engineering Co.,Ltd. Country or region after: China Address before: 610105 No. 8, Donghua Road, Chengdu Economic and Technological Development Zone, Sichuan Province Patentee before: Chengdu Hongjia High Tech Co.,Ltd. Country or region before: China |