CN203420690U - 侧钻井二层找卡水与生产作业一体化管柱 - Google Patents
侧钻井二层找卡水与生产作业一体化管柱 Download PDFInfo
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- CN203420690U CN203420690U CN201320400406.XU CN201320400406U CN203420690U CN 203420690 U CN203420690 U CN 203420690U CN 201320400406 U CN201320400406 U CN 201320400406U CN 203420690 U CN203420690 U CN 203420690U
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CN201320400406.XU CN203420690U (zh) | 2013-07-05 | 2013-07-05 | 侧钻井二层找卡水与生产作业一体化管柱 |
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CN201320400406.XU CN203420690U (zh) | 2013-07-05 | 2013-07-05 | 侧钻井二层找卡水与生产作业一体化管柱 |
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CN201320400406.XU Expired - Lifetime CN203420690U (zh) | 2013-07-05 | 2013-07-05 | 侧钻井二层找卡水与生产作业一体化管柱 |
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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: TIANJIN DAGANG OILFIELD PETROLEUM ENGINEERING RESEARCH INSTITUTE DRILLING AND PRODUCTION TECHNOLOGY DEVELOPMENT CO. Patentee after: DAGANG OILFIELD GROUP Co.,Ltd. Address before: Three Dagang oil field, Tianjin, Grand Port, No. 300280 Patentee before: TIANJIN DAGANG OIL FIELD DRILLING TECHNOLOGY DEVELOPMENT CO. Patentee before: DAGANG OILFIELD 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 OILFIELD GROUP Co.,Ltd. Patentee after: Tianjin Dagang Oilfield Petroleum Engineering Research Institute Drilling Technology Development Co.,Ltd. Address before: No.3 Dagang Oilfield Hospital, Dagang District, Tianjin Co-patentee before: DAGANG OILFIELD GROUP Co.,Ltd. Patentee before: TIANJIN DAGANG OILFIELD PETROLEUM ENGINEERING RESEARCH INSTITUTE DRILLING AND PRODUCTION TECHNOLOGY DEVELOPMENT CO. |
|
CP03 | Change of name, title or address | ||
CX01 | Expiry of patent term |
Granted publication date: 20140205 |
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CX01 | Expiry of patent term |