CN204186321U - 便于拆分的多段式钻杆的拆卸装置 - Google Patents
便于拆分的多段式钻杆的拆卸装置 Download PDFInfo
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- CN204186321U CN204186321U CN201420632057.9U CN201420632057U CN204186321U CN 204186321 U CN204186321 U CN 204186321U CN 201420632057 U CN201420632057 U CN 201420632057U CN 204186321 U CN204186321 U CN 204186321U
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- snap ring
- drilling rod
- disengagement
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- convenient
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CN201420632057.9U CN204186321U (zh) | 2014-10-29 | 2014-10-29 | 便于拆分的多段式钻杆的拆卸装置 |
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CN201420632057.9U CN204186321U (zh) | 2014-10-29 | 2014-10-29 | 便于拆分的多段式钻杆的拆卸装置 |
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CN204186321U true CN204186321U (zh) | 2015-03-04 |
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CN201420632057.9U Expired - Fee Related CN204186321U (zh) | 2014-10-29 | 2014-10-29 | 便于拆分的多段式钻杆的拆卸装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104329037A (zh) * | 2014-10-29 | 2015-02-04 | 成都科盛石油科技有限公司 | 拆卸多段式石油钻杆用的装置 |
CN111889642A (zh) * | 2020-07-31 | 2020-11-06 | 孟晓 | 一种高温合金铸造装置 |
-
2014
- 2014-10-29 CN CN201420632057.9U patent/CN204186321U/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104329037A (zh) * | 2014-10-29 | 2015-02-04 | 成都科盛石油科技有限公司 | 拆卸多段式石油钻杆用的装置 |
CN111889642A (zh) * | 2020-07-31 | 2020-11-06 | 孟晓 | 一种高温合金铸造装置 |
CN111889642B (zh) * | 2020-07-31 | 2021-11-19 | 台州屹泽金属制品有限公司 | 一种高温合金铸造装置 |
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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: Chengdu Lai Bao oil equipment Co., Ltd Assignor: Chengdu Kesheng Petroleum Technology Co., Ltd. Contract record no.: 2015510000115 Denomination of utility model: Multi-segment type drill rod disassembly device facilitating disassembly Granted publication date: 20150304 License type: Common License Record date: 20150813 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20151029 |
|
EXPY | Termination of patent right or utility model |