CN103867161B - 一种注汽封堵阀 - Google Patents
一种注汽封堵阀 Download PDFInfo
- Publication number
- CN103867161B CN103867161B CN201410064940.7A CN201410064940A CN103867161B CN 103867161 B CN103867161 B CN 103867161B CN 201410064940 A CN201410064940 A CN 201410064940A CN 103867161 B CN103867161 B CN 103867161B
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- China
- Prior art keywords
- steam injection
- sliding sleeve
- main cavity
- injection hole
- valve
- 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
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CN201410064940.7A CN103867161B (zh) | 2014-02-25 | 2014-02-25 | 一种注汽封堵阀 |
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CN201410064940.7A CN103867161B (zh) | 2014-02-25 | 2014-02-25 | 一种注汽封堵阀 |
Publications (2)
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CN103867161A CN103867161A (zh) | 2014-06-18 |
CN103867161B true CN103867161B (zh) | 2016-06-08 |
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CN201410064940.7A Active CN103867161B (zh) | 2014-02-25 | 2014-02-25 | 一种注汽封堵阀 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104373098B (zh) * | 2014-11-05 | 2017-09-01 | 中国石油天然气股份有限公司 | 一种火驱分层电点火工艺管柱 |
CN105909213A (zh) * | 2016-05-31 | 2016-08-31 | 托普威尔石油技术股份公司 | 一种井下滑套开启装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4246968A (en) * | 1979-10-17 | 1981-01-27 | Halliburton Company | Cementing tool with protective sleeve |
CN101173605A (zh) * | 2007-11-14 | 2008-05-07 | 潘昌德 | 分层定量注汽装置 |
CN201991511U (zh) * | 2011-01-26 | 2011-09-28 | 郭欣竹 | 一种优化型注汽控制装置 |
CN103147721A (zh) * | 2013-03-01 | 2013-06-12 | 中国石油天然气股份有限公司 | 脉动式配汽阀 |
CN203175509U (zh) * | 2013-01-18 | 2013-09-04 | 中国石油天然气股份有限公司 | 注空气及蒸汽自动选配注管柱 |
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2014
- 2014-02-25 CN CN201410064940.7A patent/CN103867161B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4246968A (en) * | 1979-10-17 | 1981-01-27 | Halliburton Company | Cementing tool with protective sleeve |
CN101173605A (zh) * | 2007-11-14 | 2008-05-07 | 潘昌德 | 分层定量注汽装置 |
CN201991511U (zh) * | 2011-01-26 | 2011-09-28 | 郭欣竹 | 一种优化型注汽控制装置 |
CN203175509U (zh) * | 2013-01-18 | 2013-09-04 | 中国石油天然气股份有限公司 | 注空气及蒸汽自动选配注管柱 |
CN103147721A (zh) * | 2013-03-01 | 2013-06-12 | 中国石油天然气股份有限公司 | 脉动式配汽阀 |
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CN103867161A (zh) | 2014-06-18 |
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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: Sun Shouguo Inventor after: Ma Xiao Inventor after: Yu Lei Inventor after: He Zhengbiao Inventor after: Gao Yansheng Inventor after: Huang Zhi Inventor after: Qi Fei Inventor after: Wu Xiaoming Inventor after: Wang Lei Inventor after: Zhang Ye Inventor before: Yu Lei Inventor before: He Zhengbiao Inventor before: Gao Yansheng Inventor before: Huang Zhi Inventor before: Qi Fei Inventor before: Wu Xiaoming Inventor before: Wang Lei Inventor before: Zhang Ye Inventor before: Ma Xiao |
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COR | Change of bibliographic data | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |