CN202510084U - 一种高压井堵塞器 - Google Patents
一种高压井堵塞器 Download PDFInfo
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- CN202510084U CN202510084U CN201220017908XU CN201220017908U CN202510084U CN 202510084 U CN202510084 U CN 202510084U CN 201220017908X U CN201220017908X U CN 201220017908XU CN 201220017908 U CN201220017908 U CN 201220017908U CN 202510084 U CN202510084 U CN 202510084U
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- plug
- lock dog
- mandrel
- locking device
- pressure well
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Priority Applications (1)
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CN201220017908XU CN202510084U (zh) | 2012-01-16 | 2012-01-16 | 一种高压井堵塞器 |
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CN201220017908XU CN202510084U (zh) | 2012-01-16 | 2012-01-16 | 一种高压井堵塞器 |
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CN202510084U true CN202510084U (zh) | 2012-10-31 |
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CN201220017908XU Expired - Fee Related CN202510084U (zh) | 2012-01-16 | 2012-01-16 | 一种高压井堵塞器 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105370237A (zh) * | 2014-08-29 | 2016-03-02 | 中国石油天然气股份有限公司 | 一种堵塞器 |
CN111878029A (zh) * | 2020-09-10 | 2020-11-03 | 天津市顺泽采油设备有限公司 | 一种采油配注作业用投捞堵塞器 |
-
2012
- 2012-01-16 CN CN201220017908XU patent/CN202510084U/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105370237A (zh) * | 2014-08-29 | 2016-03-02 | 中国石油天然气股份有限公司 | 一种堵塞器 |
CN105370237B (zh) * | 2014-08-29 | 2018-05-08 | 中国石油天然气股份有限公司 | 一种堵塞器 |
CN111878029A (zh) * | 2020-09-10 | 2020-11-03 | 天津市顺泽采油设备有限公司 | 一种采油配注作业用投捞堵塞器 |
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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 UNIV. (BEIJING) Free format text: FORMER OWNER: ZHONG LIGUO Effective date: 20140617 Free format text: FORMER OWNER: LI MING YU DI Effective date: 20140617 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140617 Address after: 102249 Beijing city Changping District Road No. 18 Patentee after: China University of Petroleum (Beijing) Address before: 102249 Beijing city Changping District Road No. 18 Patentee before: Zhong Liguo Patentee before: Li Ming Patentee before: Yu Di |
|
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: 20121031 Termination date: 20190116 |