CN103953310A - 无牙支撑封隔器 - Google Patents
无牙支撑封隔器 Download PDFInfo
- Publication number
- CN103953310A CN103953310A CN201410207991.0A CN201410207991A CN103953310A CN 103953310 A CN103953310 A CN 103953310A CN 201410207991 A CN201410207991 A CN 201410207991A CN 103953310 A CN103953310 A CN 103953310A
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- China
- Prior art keywords
- pipe
- windowing
- seat
- cover
- firing mount
- Prior art date
- 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
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410207991.0A CN103953310B (zh) | 2014-05-18 | 2014-05-18 | 无牙支撑封隔器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410207991.0A CN103953310B (zh) | 2014-05-18 | 2014-05-18 | 无牙支撑封隔器 |
Publications (2)
Publication Number | Publication Date |
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CN103953310A true CN103953310A (zh) | 2014-07-30 |
CN103953310B CN103953310B (zh) | 2016-11-23 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201410207991.0A Active CN103953310B (zh) | 2014-05-18 | 2014-05-18 | 无牙支撑封隔器 |
Country Status (1)
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CN (1) | CN103953310B (zh) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1016160A (en) * | 1963-09-27 | 1966-01-05 | Otis Eng Co | Expansible metallic seal element |
US3659647A (en) * | 1970-03-04 | 1972-05-02 | Joe R Brown | Well packer |
CN2721865Y (zh) * | 2003-12-08 | 2005-08-31 | 杨朝杰 | 一种减速压裂封隔器 |
CN2839554Y (zh) * | 2005-06-16 | 2006-11-22 | 徐敏生 | 防蠕动扩张式注水封隔器 |
CN203822252U (zh) * | 2014-05-18 | 2014-09-10 | 中国石油化工股份有限公司 | 无牙支撑封隔器 |
-
2014
- 2014-05-18 CN CN201410207991.0A patent/CN103953310B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1016160A (en) * | 1963-09-27 | 1966-01-05 | Otis Eng Co | Expansible metallic seal element |
US3659647A (en) * | 1970-03-04 | 1972-05-02 | Joe R Brown | Well packer |
CN2721865Y (zh) * | 2003-12-08 | 2005-08-31 | 杨朝杰 | 一种减速压裂封隔器 |
CN2839554Y (zh) * | 2005-06-16 | 2006-11-22 | 徐敏生 | 防蠕动扩张式注水封隔器 |
CN203822252U (zh) * | 2014-05-18 | 2014-09-10 | 中国石油化工股份有限公司 | 无牙支撑封隔器 |
Also Published As
Publication number | Publication date |
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CN103953310B (zh) | 2016-11-23 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Cui Jie Inventor after: Tian Bing Inventor after: Jia Yiyong Inventor after: Song Guanglong Inventor after: Gou Zhenyu Inventor after: Sun Yang Inventor after: Xie Wenxian Inventor after: Yuan Jie Inventor after: Zhao Huanwei Inventor after: Hu Jian Inventor after: Liu Quanguo Inventor after: Wang Qing Inventor after: Xu Jianhua Inventor after: Zhang Ying Inventor before: Hao Fengbo Inventor before: Sun Shuangli Inventor before: Zhang Li Inventor before: Wang Qing Inventor before: Gao Guoqiang Inventor before: Xie Wenxian Inventor before: Xiao Kun Inventor before: Cui Jie Inventor before: Liu Quanguo Inventor before: Xu Jianhua Inventor before: Tian Bing Inventor before: Zhang Ying |
|
COR | Change of bibliographic data | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |