CN200964830Y - 用于油管和钻杆的自浮式刮油器 - Google Patents
用于油管和钻杆的自浮式刮油器 Download PDFInfo
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- CN200964830Y CN200964830Y CN 200620026810 CN200620026810U CN200964830Y CN 200964830 Y CN200964830 Y CN 200964830Y CN 200620026810 CN200620026810 CN 200620026810 CN 200620026810 U CN200620026810 U CN 200620026810U CN 200964830 Y CN200964830 Y CN 200964830Y
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CN 200620026810 CN200964830Y (zh) | 2006-07-21 | 2006-07-21 | 用于油管和钻杆的自浮式刮油器 |
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CN 200620026810 CN200964830Y (zh) | 2006-07-21 | 2006-07-21 | 用于油管和钻杆的自浮式刮油器 |
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CN200964830Y true CN200964830Y (zh) | 2007-10-24 |
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CN 200620026810 Expired - Fee Related CN200964830Y (zh) | 2006-07-21 | 2006-07-21 | 用于油管和钻杆的自浮式刮油器 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106121589A (zh) * | 2016-09-18 | 2016-11-16 | 重庆科技学院 | 一种连环式钻井液刮除装置 |
CN106150435A (zh) * | 2016-09-18 | 2016-11-23 | 重庆科技学院 | 一种钻杆内壁交错环形刮片去污装置 |
CN106194114A (zh) * | 2016-09-18 | 2016-12-07 | 重庆科技学院 | 一种对称螺旋片式钻杆内壁刮泥器 |
CN106194113A (zh) * | 2016-09-18 | 2016-12-07 | 重庆科技学院 | 一种钻杆内壁清理装置 |
CN106194115A (zh) * | 2016-09-18 | 2016-12-07 | 重庆科技学院 | 一种交错倒槽式钻杆内壁刮泥器 |
CN109882267A (zh) * | 2019-03-19 | 2019-06-14 | 朱红 | 一种汽车尾气净化装置 |
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2006
- 2006-07-21 CN CN 200620026810 patent/CN200964830Y/zh not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106121589A (zh) * | 2016-09-18 | 2016-11-16 | 重庆科技学院 | 一种连环式钻井液刮除装置 |
CN106150435A (zh) * | 2016-09-18 | 2016-11-23 | 重庆科技学院 | 一种钻杆内壁交错环形刮片去污装置 |
CN106194114A (zh) * | 2016-09-18 | 2016-12-07 | 重庆科技学院 | 一种对称螺旋片式钻杆内壁刮泥器 |
CN106194113A (zh) * | 2016-09-18 | 2016-12-07 | 重庆科技学院 | 一种钻杆内壁清理装置 |
CN106194115A (zh) * | 2016-09-18 | 2016-12-07 | 重庆科技学院 | 一种交错倒槽式钻杆内壁刮泥器 |
CN106121589B (zh) * | 2016-09-18 | 2019-04-19 | 重庆科技学院 | 一种连环式钻井液刮除装置 |
CN106194115B (zh) * | 2016-09-18 | 2019-04-19 | 重庆科技学院 | 一种交错倒槽式钻杆内壁刮泥器 |
CN109882267A (zh) * | 2019-03-19 | 2019-06-14 | 朱红 | 一种汽车尾气净化装置 |
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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 | ||
CP03 | Change of name, title or address |
Address after: 6, Xiaozhi street, Dongzhi gate, Dongcheng District, Beijing, zip code: 100027 Co-patentee after: CNOOC Energy Development Co., Ltd. Patentee after: China National Offshore Oil Corporation Address before: 6, Xiaozhi street, Dongzhi gate, Dongcheng District, Beijing, zip code: 100027 Co-patentee before: CNOOC Oil Base Group Co., Ltd. Patentee before: China National Offshore Oil Corporation |
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071024 Termination date: 20120721 |