CN201121502Y - 无钻机固井用快装井口装置 - Google Patents
无钻机固井用快装井口装置 Download PDFInfo
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- CN201121502Y CN201121502Y CNU2007203049405U CN200720304940U CN201121502Y CN 201121502 Y CN201121502 Y CN 201121502Y CN U2007203049405 U CNU2007203049405 U CN U2007203049405U CN 200720304940 U CN200720304940 U CN 200720304940U CN 201121502 Y CN201121502 Y CN 201121502Y
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2007203049405U CN201121502Y (zh) | 2007-12-03 | 2007-12-03 | 无钻机固井用快装井口装置 |
Applications Claiming Priority (1)
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CNU2007203049405U CN201121502Y (zh) | 2007-12-03 | 2007-12-03 | 无钻机固井用快装井口装置 |
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CN201121502Y true CN201121502Y (zh) | 2008-09-24 |
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CNU2007203049405U Expired - Fee Related CN201121502Y (zh) | 2007-12-03 | 2007-12-03 | 无钻机固井用快装井口装置 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102808593A (zh) * | 2012-08-22 | 2012-12-05 | 沈阳白云机械有限公司 | 一种具有大内径、直扣快速连接的水泥头装置 |
CN102953707A (zh) * | 2012-11-13 | 2013-03-06 | 中国石油化工股份有限公司 | 顶驱型钻杆固井水泥头 |
CN103953311A (zh) * | 2014-04-18 | 2014-07-30 | 西安航威石化设备有限公司 | 内平衡式固井水泥头 |
CN109098681A (zh) * | 2018-09-11 | 2018-12-28 | 扬州市驰城石油机械有限公司 | 一种导管与套管间的井口用密封装置 |
-
2007
- 2007-12-03 CN CNU2007203049405U patent/CN201121502Y/zh not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102808593A (zh) * | 2012-08-22 | 2012-12-05 | 沈阳白云机械有限公司 | 一种具有大内径、直扣快速连接的水泥头装置 |
CN102953707A (zh) * | 2012-11-13 | 2013-03-06 | 中国石油化工股份有限公司 | 顶驱型钻杆固井水泥头 |
CN102953707B (zh) * | 2012-11-13 | 2015-07-08 | 中国石油化工股份有限公司 | 顶驱型钻杆固井水泥头 |
CN103953311A (zh) * | 2014-04-18 | 2014-07-30 | 西安航威石化设备有限公司 | 内平衡式固井水泥头 |
CN109098681A (zh) * | 2018-09-11 | 2018-12-28 | 扬州市驰城石油机械有限公司 | 一种导管与套管间的井口用密封装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: CHINA PETROLEUM GROUP POHAI DRILLING ENGINEERING C Free format text: FORMER OWNER: DAGANG OILFIELD GROUP CO., LTD. Effective date: 20090508 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090508 Address after: No. 106 Huang Hai Road, Tianjin economic and Technological Development Zone, post code: 300457 Patentee after: CNPC Bohai Drilling Engineering Co., Ltd. Address before: Science and Technology Development Department of Refco Group Ltd, Dagang Oilfield, Tianjin, Grand Port, 300280 Patentee before: Dagang Oil Field Group Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080924 Termination date: 20151203 |
|
EXPY | Termination of patent right or utility model |