CN204663508U - 油气井固井分段压裂滑套启动阀 - Google Patents
油气井固井分段压裂滑套启动阀 Download PDFInfo
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- CN204663508U CN204663508U CN201520289628.8U CN201520289628U CN204663508U CN 204663508 U CN204663508 U CN 204663508U CN 201520289628 U CN201520289628 U CN 201520289628U CN 204663508 U CN204663508 U CN 204663508U
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- lower house
- upper shell
- sliding sleeve
- gate valve
- staged fracturing
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- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Safety Valves (AREA)
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CN201520289628.8U CN204663508U (zh) | 2015-05-07 | 2015-05-07 | 油气井固井分段压裂滑套启动阀 |
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CN201520289628.8U CN204663508U (zh) | 2015-05-07 | 2015-05-07 | 油气井固井分段压裂滑套启动阀 |
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CN204663508U true CN204663508U (zh) | 2015-09-23 |
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CN201520289628.8U Expired - Fee Related CN204663508U (zh) | 2015-05-07 | 2015-05-07 | 油气井固井分段压裂滑套启动阀 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105973578A (zh) * | 2016-05-05 | 2016-09-28 | 中国石油集团渤海钻探工程有限公司 | 高温高压试验装置及操作方法 |
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2015
- 2015-05-07 CN CN201520289628.8U patent/CN204663508U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105973578A (zh) * | 2016-05-05 | 2016-09-28 | 中国石油集团渤海钻探工程有限公司 | 高温高压试验装置及操作方法 |
CN105973578B (zh) * | 2016-05-05 | 2018-07-03 | 中国石油集团渤海钻探工程有限公司 | 高温高压试验装置及操作方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210719 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: 300457 Tianjin Binhai New Area Development Zone Huanghai Road 106 Bohai Drilling Engineering Co., Ltd. science and Technology Development Office Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
|
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: 20150923 |