CN202900058U - 一种组合限位式防扩口组合密封钻杆 - Google Patents
一种组合限位式防扩口组合密封钻杆 Download PDFInfo
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- CN202900058U CN202900058U CN 201220537053 CN201220537053U CN202900058U CN 202900058 U CN202900058 U CN 202900058U CN 201220537053 CN201220537053 CN 201220537053 CN 201220537053 U CN201220537053 U CN 201220537053U CN 202900058 U CN202900058 U CN 202900058U
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- 238000007789 sealing Methods 0.000 title claims abstract description 23
- 238000005553 drilling Methods 0.000 claims abstract description 29
- 239000003245 coal Substances 0.000 abstract description 2
- 230000010196 hermaphroditism Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220537053 CN202900058U (zh) | 2012-10-19 | 2012-10-19 | 一种组合限位式防扩口组合密封钻杆 |
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| CN 201220537053 CN202900058U (zh) | 2012-10-19 | 2012-10-19 | 一种组合限位式防扩口组合密封钻杆 |
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| CN202900058U true CN202900058U (zh) | 2013-04-24 |
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| CN 201220537053 Expired - Lifetime CN202900058U (zh) | 2012-10-19 | 2012-10-19 | 一种组合限位式防扩口组合密封钻杆 |
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| CN (1) | CN202900058U (zh) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545219A (zh) * | 2016-02-17 | 2016-05-04 | 成都高峰石油机械有限公司 | 拼接式石油钻杆 |
| CN105735911A (zh) * | 2016-02-17 | 2016-07-06 | 成都高峰石油机械有限公司 | 连接稳定性好的石油钻杆支杆 |
| CN105735910A (zh) * | 2016-02-17 | 2016-07-06 | 成都高峰石油机械有限公司 | 吊装方便的钻杆支杆 |
| CN109372443A (zh) * | 2018-12-14 | 2019-02-22 | 无锡双马钻探工具有限公司 | 一种煤矿整体钻杆 |
-
2012
- 2012-10-19 CN CN 201220537053 patent/CN202900058U/zh not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545219A (zh) * | 2016-02-17 | 2016-05-04 | 成都高峰石油机械有限公司 | 拼接式石油钻杆 |
| CN105735911A (zh) * | 2016-02-17 | 2016-07-06 | 成都高峰石油机械有限公司 | 连接稳定性好的石油钻杆支杆 |
| CN105735910A (zh) * | 2016-02-17 | 2016-07-06 | 成都高峰石油机械有限公司 | 吊装方便的钻杆支杆 |
| CN109372443A (zh) * | 2018-12-14 | 2019-02-22 | 无锡双马钻探工具有限公司 | 一种煤矿整体钻杆 |
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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: CHONGQING FEIERDA ELECTRICAL CO., LTD. Free format text: FORMER NAME: CHONGQING FIND MACHINERY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 401327 the Jiulongpo District of Chongqing Municipality Gu Zhen Jing Long Industrial Park Patentee after: CHONGQING FIND MECHANICAL & ELECTRICAL CO.,LTD. Address before: 401327 the Jiulongpo District of Chongqing Municipality Gu Zhen Jing Long Industrial Park Patentee before: CHONGQING FIND MACHINERY Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 402566, 30 Longshan Road, Pu Lu Town, Tongliang County, Chongqing Patentee after: CHONGQING FIND MECHANICAL & ELECTRICAL CO.,LTD. Address before: 401327 the Jiulongpo District of Chongqing Municipality Gu Zhen Jing Long Industrial Park Patentee before: CHONGQING FIND MECHANICAL & ELECTRICAL CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 30, Longshan Avenue, Pu Lu street, Tongliang District, Chongqing (Industrial Park) Patentee after: Chongqing feierda ventilation equipment Limited by Share Ltd. Address before: 402566, 30 Longshan Road, Pu Lu Town, Tongliang County, Chongqing Patentee before: CHONGQING FIND MECHANICAL & ELECTRICAL CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |