CN202300288U - 一种井口装置 - Google Patents
一种井口装置 Download PDFInfo
- Publication number
- CN202300288U CN202300288U CN2011204425089U CN201120442508U CN202300288U CN 202300288 U CN202300288 U CN 202300288U CN 2011204425089 U CN2011204425089 U CN 2011204425089U CN 201120442508 U CN201120442508 U CN 201120442508U CN 202300288 U CN202300288 U CN 202300288U
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- gate valve
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- injection head
- injection
- valve
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Application Number | Priority Date | Filing Date | Title |
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CN2011204425089U CN202300288U (zh) | 2011-11-09 | 2011-11-09 | 一种井口装置 |
Applications Claiming Priority (1)
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CN2011204425089U CN202300288U (zh) | 2011-11-09 | 2011-11-09 | 一种井口装置 |
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CN202300288U true CN202300288U (zh) | 2012-07-04 |
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CN2011204425089U Expired - Fee Related CN202300288U (zh) | 2011-11-09 | 2011-11-09 | 一种井口装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102373895A (zh) * | 2011-11-09 | 2012-03-14 | 北京托普威尔石油技术服务有限公司 | 一种井口装置 |
CN106812516A (zh) * | 2015-12-02 | 2017-06-09 | 中国石油天然气股份有限公司 | 应用于分段压裂工艺的装置 |
-
2011
- 2011-11-09 CN CN2011204425089U patent/CN202300288U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102373895A (zh) * | 2011-11-09 | 2012-03-14 | 北京托普威尔石油技术服务有限公司 | 一种井口装置 |
CN106812516A (zh) * | 2015-12-02 | 2017-06-09 | 中国石油天然气股份有限公司 | 应用于分段压裂工艺的装置 |
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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: TOP-WELL PETROLEUM TECHNOLOGIES COMPANY LTD. Free format text: FORMER OWNER: BEIJING TOP-WELL PETROLEUM TECHNOLOGIES SERVICE COMPANY LTD. Effective date: 20121123 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20121123 Address after: 100012, room 32, security building, 2101 Beiyuan Road, Beijing, Chaoyang District Patentee after: Top-Well Petroleum Technologies Company Ltd. Address before: 100012, room 32, security building, 2101 Beiyuan Road, Beijing, Chaoyang District Patentee before: Top Well Services Inc. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20201109 |
|
CF01 | Termination of patent right due to non-payment of annual fee |