CN2453114Y - 双垫叉拆卸钻杆装置 - Google Patents
双垫叉拆卸钻杆装置 Download PDFInfo
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- CN2453114Y CN2453114Y CN 00265222 CN00265222U CN2453114Y CN 2453114 Y CN2453114 Y CN 2453114Y CN 00265222 CN00265222 CN 00265222 CN 00265222 U CN00265222 U CN 00265222U CN 2453114 Y CN2453114 Y CN 2453114Y
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- drilling rod
- fork
- pad fork
- pad
- type apparatus
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 00265222 CN2453114Y (zh) | 2000-12-12 | 2000-12-12 | 双垫叉拆卸钻杆装置 |
Applications Claiming Priority (1)
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CN 00265222 CN2453114Y (zh) | 2000-12-12 | 2000-12-12 | 双垫叉拆卸钻杆装置 |
Publications (1)
Publication Number | Publication Date |
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CN2453114Y true CN2453114Y (zh) | 2001-10-10 |
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Family Applications (1)
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CN 00265222 Expired - Fee Related CN2453114Y (zh) | 2000-12-12 | 2000-12-12 | 双垫叉拆卸钻杆装置 |
Country Status (1)
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CN (1) | CN2453114Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106639920A (zh) * | 2017-01-09 | 2017-05-10 | 中煤科工集团西安研究院有限公司 | 带有双层扶正装置的坑道钻机用手动夹持器及夹持方法 |
CN113006723A (zh) * | 2021-03-12 | 2021-06-22 | 中国电建集团江西省电力设计院有限公司 | 一种蝶式麻花钻起拔工具及其钻进起拔方法 |
-
2000
- 2000-12-12 CN CN 00265222 patent/CN2453114Y/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106639920A (zh) * | 2017-01-09 | 2017-05-10 | 中煤科工集团西安研究院有限公司 | 带有双层扶正装置的坑道钻机用手动夹持器及夹持方法 |
CN113006723A (zh) * | 2021-03-12 | 2021-06-22 | 中国电建集团江西省电力设计院有限公司 | 一种蝶式麻花钻起拔工具及其钻进起拔方法 |
CN113006723B (zh) * | 2021-03-12 | 2022-05-24 | 中国电建集团江西省电力设计院有限公司 | 一种蝶式麻花钻起拔工具及其钻进起拔方法 |
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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: CHINA PETROLEUM GROUP CO., GEOPHYSICAL EXPLORATION Free format text: FORMER NAME OR ADDRESS: GEOPHYSICAL PROSPECTING BUREAU, CHINA PETROLEUM GROUP |
|
CP03 | Change of name, title or address |
Address after: 11 contact man, Ministry of science, technology and information, box 072751, Hebei, Zhuozhou Box 11, science and technology and the Ministry of information of Hebei Province, Zhuozhou City, 072751 contacts: Xinyu Shao Yongmei, take it Patentee after: China Petroleum Group Dongfang Geophysical Exploration Bureau Co Ltd Address before: Zhuozhou Geophysical Prospecting Bureau of Hebei Province Patentee before: Geophysical Exploration Bureau, China Petroleum Group |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20011010 Termination date: 20100112 |