CN202755955U - 水平井砾石充填管柱 - Google Patents
水平井砾石充填管柱 Download PDFInfo
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- CN202755955U CN202755955U CN 201220134974 CN201220134974U CN202755955U CN 202755955 U CN202755955 U CN 202755955U CN 201220134974 CN201220134974 CN 201220134974 CN 201220134974 U CN201220134974 U CN 201220134974U CN 202755955 U CN202755955 U CN 202755955U
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CN 201220134974 CN202755955U (zh) | 2012-03-31 | 2012-03-31 | 水平井砾石充填管柱 |
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CN 201220134974 CN202755955U (zh) | 2012-03-31 | 2012-03-31 | 水平井砾石充填管柱 |
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CN202755955U true CN202755955U (zh) | 2013-02-27 |
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CN 201220134974 Expired - Lifetime CN202755955U (zh) | 2012-03-31 | 2012-03-31 | 水平井砾石充填管柱 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103362483A (zh) * | 2012-03-31 | 2013-10-23 | 大港油田集团有限责任公司 | 水平井砾石充填管柱及其压力控制阀 |
CN105298431A (zh) * | 2015-10-13 | 2016-02-03 | 中国石油天然气股份有限公司 | 一种水平井触动封隔分段完井工艺管柱 |
CN110118076A (zh) * | 2019-06-24 | 2019-08-13 | 大港油田集团有限责任公司 | 一种扶正式阻尼充填装置 |
CN113958294A (zh) * | 2021-08-31 | 2022-01-21 | 李若桐 | 一种叠片式选择性过流装置 |
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2012
- 2012-03-31 CN CN 201220134974 patent/CN202755955U/zh not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103362483A (zh) * | 2012-03-31 | 2013-10-23 | 大港油田集团有限责任公司 | 水平井砾石充填管柱及其压力控制阀 |
CN103362483B (zh) * | 2012-03-31 | 2016-06-15 | 大港油田集团有限责任公司 | 水平井砾石充填管柱及其压力控制阀 |
CN105298431A (zh) * | 2015-10-13 | 2016-02-03 | 中国石油天然气股份有限公司 | 一种水平井触动封隔分段完井工艺管柱 |
CN110118076A (zh) * | 2019-06-24 | 2019-08-13 | 大港油田集团有限责任公司 | 一种扶正式阻尼充填装置 |
CN110118076B (zh) * | 2019-06-24 | 2021-10-08 | 大港油田集团有限责任公司 | 一种扶正式阻尼充填装置 |
CN113958294A (zh) * | 2021-08-31 | 2022-01-21 | 李若桐 | 一种叠片式选择性过流装置 |
CN113958294B (zh) * | 2021-08-31 | 2023-07-25 | 李若桐 | 一种叠片式选择性过流装置 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Three Dagang oil field, Tianjin, Grand Port, No. 300280 Patentee after: Dagang Oil Field Group Co., Ltd. Patentee after: DRILLING TECHNOLOGY DEVELOPMENT COMPANY, TIANJIN DAGANG OILFIELD RESEARCH INSTITUTE OF PETROLEUM ENGINEERING Address before: Three Dagang oil field, Tianjin, Grand Port, No. 300280 Patentee before: Dagang Oil Field Group Co., Ltd. Patentee before: Tianjin Dagang Oilfield Drilling Technology Development Co., Ltd. |
|
CP03 | Change of name, title or address |
Address after: 300270 Tianjin Binhai New Area Dagang No.3 Hospital Co-patentee after: Tianjin Dagang Oil Field Petroleum Engineering Research Institute Drilling Technology Development Co Ltd Patentee after: Dagang Oil Field Group Co., Ltd. Address before: Three Dagang oil field, Tianjin, Grand Port, No. 300280 Co-patentee before: DRILLING TECHNOLOGY DEVELOPMENT COMPANY, TIANJIN DAGANG OILFIELD RESEARCH INSTITUTE OF PETROLEUM ENGINEERING Patentee before: Dagang Oil Field Group Co., Ltd. |
|
CP03 | Change of name, title or address | ||
CX01 | Expiry of patent term |
Granted publication date: 20130227 |
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CX01 | Expiry of patent term |