CN203175445U - 井口加压钻塞装置 - Google Patents
井口加压钻塞装置 Download PDFInfo
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- CN203175445U CN203175445U CN 201320087746 CN201320087746U CN203175445U CN 203175445 U CN203175445 U CN 203175445U CN 201320087746 CN201320087746 CN 201320087746 CN 201320087746 U CN201320087746 U CN 201320087746U CN 203175445 U CN203175445 U CN 203175445U
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- piston rod
- hydraulic cylinder
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- positive cover
- hydraulic
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CN 201320087746 CN203175445U (zh) | 2013-02-26 | 2013-02-26 | 井口加压钻塞装置 |
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CN 201320087746 CN203175445U (zh) | 2013-02-26 | 2013-02-26 | 井口加压钻塞装置 |
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CN203175445U true CN203175445U (zh) | 2013-09-04 |
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CN 201320087746 Expired - Fee Related CN203175445U (zh) | 2013-02-26 | 2013-02-26 | 井口加压钻塞装置 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104005724A (zh) * | 2013-02-26 | 2014-08-27 | 天津大港油田钻采技术开发公司 | 井口加压钻塞装置 |
CN106545307A (zh) * | 2015-09-23 | 2017-03-29 | 中国石油化工股份有限公司 | 用于长水平井的磨铣管串和使用其磨铣桥塞的方法 |
CN106593340A (zh) * | 2017-02-08 | 2017-04-26 | 中石化石油工程技术服务有限公司 | 高压浅层全封闭钻塞装置及其使用方法 |
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2013
- 2013-02-26 CN CN 201320087746 patent/CN203175445U/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104005724A (zh) * | 2013-02-26 | 2014-08-27 | 天津大港油田钻采技术开发公司 | 井口加压钻塞装置 |
CN106545307A (zh) * | 2015-09-23 | 2017-03-29 | 中国石油化工股份有限公司 | 用于长水平井的磨铣管串和使用其磨铣桥塞的方法 |
CN106593340A (zh) * | 2017-02-08 | 2017-04-26 | 中石化石油工程技术服务有限公司 | 高压浅层全封闭钻塞装置及其使用方法 |
CN106593340B (zh) * | 2017-02-08 | 2022-12-02 | 中石化石油工程技术服务有限公司 | 高压浅层全封闭钻塞装置及其使用方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: TIANJIN DAGANG INSTITUTE OF PETROLEUM ENGINEERING Free format text: FORMER NAME: TIANJIN DAGANG OIL FIELD DRILLING TECHNOLOGY DEVELOPMENT COMPANY |
|
CP01 | Change in the name or title of a patent holder |
Address after: Three Dagang oil field, Tianjin, Grand Port, No. 300280 Patentee after: DRILLING TECHNOLOGY DEVELOPMENT COMPANY, TIANJIN DAGANG OILFIELD RESEARCH INSTITUTE OF PETROLEUM ENGINEERING Patentee after: Dagang Oil Field Group Co., Ltd. Address before: Three Dagang oil field, Tianjin, Grand Port, No. 300280 Patentee before: Tianjin Dagang Oilfield Drilling Technology Development Co., Ltd. Patentee before: Dagang Oil Field Group Co., Ltd. |
|
CP03 | Change of name, title or address |
Address after: 300270 Tianjin Binhai New Area Dagang No.3 Hospital Co-patentee after: Dagang Oil Field Group Co., Ltd. Patentee after: Tianjin Dagang Oil Field Petroleum Engineering Research Institute Drilling Technology Development Co Ltd Address before: No.3 Dagang Oilfield Hospital, Dagang District, Tianjin Co-patentee before: Dagang Oil Field Group Co., Ltd. Patentee before: DRILLING TECHNOLOGY DEVELOPMENT COMPANY, TIANJIN DAGANG OILFIELD RESEARCH INSTITUTE OF PETROLEUM ENGINEERING |
|
CP03 | Change of name, title or address | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20210226 |
|
CF01 | Termination of patent right due to non-payment of annual fee |