CN211038547U - 一种岩屑床清除工具 - Google Patents
一种岩屑床清除工具 Download PDFInfo
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- CN211038547U CN211038547U CN201921630531.3U CN201921630531U CN211038547U CN 211038547 U CN211038547 U CN 211038547U CN 201921630531 U CN201921630531 U CN 201921630531U CN 211038547 U CN211038547 U CN 211038547U
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921630531.3U CN211038547U (zh) | 2019-09-27 | 2019-09-27 | 一种岩屑床清除工具 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921630531.3U CN211038547U (zh) | 2019-09-27 | 2019-09-27 | 一种岩屑床清除工具 |
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| CN211038547U true CN211038547U (zh) | 2020-07-17 |
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| CN201921630531.3U Active CN211038547U (zh) | 2019-09-27 | 2019-09-27 | 一种岩屑床清除工具 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837579A (zh) * | 2021-02-02 | 2022-08-02 | 中国石油天然气股份有限公司 | 运移岩屑工具 |
| CN115788315A (zh) * | 2022-12-07 | 2023-03-14 | 沧州格锐特钻头有限公司 | 一种pdc划眼器 |
| CN116838293A (zh) * | 2023-07-28 | 2023-10-03 | 中国石油大学(北京) | 一种岩屑床破坏器 |
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2019
- 2019-09-27 CN CN201921630531.3U patent/CN211038547U/zh active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837579A (zh) * | 2021-02-02 | 2022-08-02 | 中国石油天然气股份有限公司 | 运移岩屑工具 |
| CN115788315A (zh) * | 2022-12-07 | 2023-03-14 | 沧州格锐特钻头有限公司 | 一种pdc划眼器 |
| CN116838293A (zh) * | 2023-07-28 | 2023-10-03 | 中国石油大学(北京) | 一种岩屑床破坏器 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20250905 Address after: Room 1202, No. 22, Chaoyangmen North Street, Chaoyang District, Beijing 100020 Patentee after: Sinopec Petroleum Engineering Technology Service Co.,Ltd. Country or region after: China Patentee after: SINOPEC NORTH CHINA PETROLEUM ENGINEERING Co.,Ltd. Address before: 100728 12th floor, A6 Huixin East Street, Chaoyang District, Beijing Patentee before: SINOPEC OILFIELD SERVICE Corp. Country or region before: China Patentee before: SINOPEC NORTH CHINA PETROLEUM ENGINEERING Co.,Ltd. |