CN203008810U - 整体式三头大导程宽翼片螺旋钻杆 - Google Patents
整体式三头大导程宽翼片螺旋钻杆 Download PDFInfo
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- CN203008810U CN203008810U CN 201320037637 CN201320037637U CN203008810U CN 203008810 U CN203008810 U CN 203008810U CN 201320037637 CN201320037637 CN 201320037637 CN 201320037637 U CN201320037637 U CN 201320037637U CN 203008810 U CN203008810 U CN 203008810U
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320037637 CN203008810U (zh) | 2013-01-23 | 2013-01-23 | 整体式三头大导程宽翼片螺旋钻杆 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320037637 CN203008810U (zh) | 2013-01-23 | 2013-01-23 | 整体式三头大导程宽翼片螺旋钻杆 |
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| CN203008810U true CN203008810U (zh) | 2013-06-19 |
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| CN 201320037637 Expired - Lifetime CN203008810U (zh) | 2013-01-23 | 2013-01-23 | 整体式三头大导程宽翼片螺旋钻杆 |
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| CN (1) | CN203008810U (zh) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213853A (zh) * | 2014-10-07 | 2014-12-17 | 王永龙 | 用于软硬复合煤层钻进间隔变径螺旋钻杆 |
| CN108412436A (zh) * | 2018-03-16 | 2018-08-17 | 河北工程大学 | 一种地质钻杆 |
| CN110242228A (zh) * | 2019-07-17 | 2019-09-17 | 邹城兖矿泰德工贸有限公司 | 整体式宽翼片螺旋钻杆 |
| CN112647860A (zh) * | 2020-12-31 | 2021-04-13 | 山东源运通矿山装备科技有限公司 | 肋骨钻杆 |
| CN114278234A (zh) * | 2021-12-16 | 2022-04-05 | 中煤科工集团西安研究院有限公司 | 用于煤矿坑道定向钻进用焊接螺旋式无磁钻杆及制备方法 |
-
2013
- 2013-01-23 CN CN 201320037637 patent/CN203008810U/zh not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213853A (zh) * | 2014-10-07 | 2014-12-17 | 王永龙 | 用于软硬复合煤层钻进间隔变径螺旋钻杆 |
| CN108412436A (zh) * | 2018-03-16 | 2018-08-17 | 河北工程大学 | 一种地质钻杆 |
| CN110242228A (zh) * | 2019-07-17 | 2019-09-17 | 邹城兖矿泰德工贸有限公司 | 整体式宽翼片螺旋钻杆 |
| CN110242228B (zh) * | 2019-07-17 | 2024-01-16 | 山东兖能泰德重工有限公司 | 整体式宽翼片螺旋钻杆 |
| CN112647860A (zh) * | 2020-12-31 | 2021-04-13 | 山东源运通矿山装备科技有限公司 | 肋骨钻杆 |
| CN114278234A (zh) * | 2021-12-16 | 2022-04-05 | 中煤科工集团西安研究院有限公司 | 用于煤矿坑道定向钻进用焊接螺旋式无磁钻杆及制备方法 |
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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: XI'AN RESEARCH INSTITUTE OF CHINA COAL TECHNOLOGY Free format text: FORMER NAME: CHINA COAL TECHNOLOGY + ENGINEERING GROUP XI'AN RESEARCH INSTITUTE |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 710077 Xi'an high tech Zone, Shaanxi Jin Industry Road, No. 82 Patentee after: CCTEG Xi'an Research Institute Address before: 710077 Xi'an high tech Zone, Shaanxi Jin Industry Road, No. 82 Patentee before: Xi'an Research Institute Of China Coal Research Institute |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |
|
| CX01 | Expiry of patent term |