CN203145852U - 煤矿坑道水平定向钻孔安全接头 - Google Patents
煤矿坑道水平定向钻孔安全接头 Download PDFInfo
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- CN203145852U CN203145852U CN 201320157047 CN201320157047U CN203145852U CN 203145852 U CN203145852 U CN 203145852U CN 201320157047 CN201320157047 CN 201320157047 CN 201320157047 U CN201320157047 U CN 201320157047U CN 203145852 U CN203145852 U CN 203145852U
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CN 201320157047 CN203145852U (zh) | 2013-04-01 | 2013-04-01 | 煤矿坑道水平定向钻孔安全接头 |
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CN 201320157047 CN203145852U (zh) | 2013-04-01 | 2013-04-01 | 煤矿坑道水平定向钻孔安全接头 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104863519A (zh) * | 2015-04-21 | 2015-08-26 | 山东大学 | 一种隧道施工过程中便于装卸式钻杆及其使用方法 |
CN108301789A (zh) * | 2017-10-12 | 2018-07-20 | 河南省煤田地质局四队 | 套管起拔装置及套管起拔方法 |
CN110080691A (zh) * | 2015-04-17 | 2019-08-02 | 哈利伯顿能源服务公司 | 用于驱动轴传动组件的耦合机构 |
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2013
- 2013-04-01 CN CN 201320157047 patent/CN203145852U/zh not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110080691A (zh) * | 2015-04-17 | 2019-08-02 | 哈利伯顿能源服务公司 | 用于驱动轴传动组件的耦合机构 |
US10760351B2 (en) | 2015-04-17 | 2020-09-01 | Halliburton Energy Services, Inc. | Coupling mechanism for driveshaft transmission assembly |
CN104863519A (zh) * | 2015-04-21 | 2015-08-26 | 山东大学 | 一种隧道施工过程中便于装卸式钻杆及其使用方法 |
CN108301789A (zh) * | 2017-10-12 | 2018-07-20 | 河南省煤田地质局四队 | 套管起拔装置及套管起拔方法 |
CN108301789B (zh) * | 2017-10-12 | 2023-11-03 | 河南省煤田地质局四队 | 套管起拔装置及套管起拔方法 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: CHINA COAL TECHNOLOGY ENGINEERING GROUP CHONGQING Free format text: FORMER NAME: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RESEARCH INSTITUTE |
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CP03 | Change of name, title or address |
Address after: 400039 Chongqing Jiulongpo Branch City Road No. 6 Patentee after: CHONGQING RESEARCH INSTITUTE CO., LTD. OF CHINA COAL TECHNOLOGY & ENGINEERING Group Address before: 400039 Chongqing Jiulongpo Erlang Branch City Road No. 6 Patentee before: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. |
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CX01 | Expiry of patent term |
Granted publication date: 20130821 |
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CX01 | Expiry of patent term |