CN202544781U - 电磁阀控制式桥塞座封工具 - Google Patents
电磁阀控制式桥塞座封工具 Download PDFInfo
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- CN202544781U CN202544781U CN2012201607465U CN201220160746U CN202544781U CN 202544781 U CN202544781 U CN 202544781U CN 2012201607465 U CN2012201607465 U CN 2012201607465U CN 201220160746 U CN201220160746 U CN 201220160746U CN 202544781 U CN202544781 U CN 202544781U
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- bridge plug
- piston
- electromagnetic valve
- urceolus
- outer barrel
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CN2012201607465U CN202544781U (zh) | 2012-04-16 | 2012-04-16 | 电磁阀控制式桥塞座封工具 |
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CN2012201607465U CN202544781U (zh) | 2012-04-16 | 2012-04-16 | 电磁阀控制式桥塞座封工具 |
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CN202544781U true CN202544781U (zh) | 2012-11-21 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102966328A (zh) * | 2012-11-25 | 2013-03-13 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | 一种新型电液一体化桥塞投放工具 |
CN109838216A (zh) * | 2017-11-29 | 2019-06-04 | 江苏科技大学 | 用于桥塞的电动液压增力坐封工具 |
CN110374545A (zh) * | 2019-08-02 | 2019-10-25 | 西京学院 | 一种可换向动作井下动力活塞组件 |
-
2012
- 2012-04-16 CN CN2012201607465U patent/CN202544781U/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102966328A (zh) * | 2012-11-25 | 2013-03-13 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | 一种新型电液一体化桥塞投放工具 |
CN102966328B (zh) * | 2012-11-25 | 2015-02-25 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | 一种新型电液一体化桥塞投放工具 |
CN109838216A (zh) * | 2017-11-29 | 2019-06-04 | 江苏科技大学 | 用于桥塞的电动液压增力坐封工具 |
CN110374545A (zh) * | 2019-08-02 | 2019-10-25 | 西京学院 | 一种可换向动作井下动力活塞组件 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20151012 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: Sinopec Corp. Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: Sinopec Corp. Patentee before: Underground Testing Company of Jianghan Petroleum Administration, China Petroleum & Chemical Corporation |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20180416 |