CN201386532Y - 防喷器盖液动抽拉式双闸板防喷器 - Google Patents
防喷器盖液动抽拉式双闸板防喷器 Download PDFInfo
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- CN201386532Y CN201386532Y CN200920020717U CN200920020717U CN201386532Y CN 201386532 Y CN201386532 Y CN 201386532Y CN 200920020717 U CN200920020717 U CN 200920020717U CN 200920020717 U CN200920020717 U CN 200920020717U CN 201386532 Y CN201386532 Y CN 201386532Y
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CN200920020717U CN201386532Y (zh) | 2009-04-09 | 2009-04-09 | 防喷器盖液动抽拉式双闸板防喷器 |
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CN200920020717U CN201386532Y (zh) | 2009-04-09 | 2009-04-09 | 防喷器盖液动抽拉式双闸板防喷器 |
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CN201386532Y true CN201386532Y (zh) | 2010-01-20 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012000098A1 (en) | 2010-07-01 | 2012-01-05 | Enovate Systems Limited | Wellbore control device |
CN102767352A (zh) * | 2011-04-29 | 2012-11-07 | 韦特柯格雷公司 | 具有平行轴线释放性的球和镖发射器 |
CN108756803A (zh) * | 2018-08-07 | 2018-11-06 | 阜宁县石油机械有限公司 | 一种液动双闸板防喷器 |
CN112065317A (zh) * | 2020-09-30 | 2020-12-11 | 中国石油天然气集团有限公司 | 一种连续油管井口防喷器及使用方法 |
-
2009
- 2009-04-09 CN CN200920020717U patent/CN201386532Y/zh not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012000098A1 (en) | 2010-07-01 | 2012-01-05 | Enovate Systems Limited | Wellbore control device |
EP2588708A1 (en) * | 2010-07-01 | 2013-05-08 | Enovate Systems Limited | Wellbore control device |
EP2588708A4 (en) * | 2010-07-01 | 2015-05-06 | Enovate Systems Ltd | DEVICE FOR CONTROLLING BOREHOLE |
CN102767352A (zh) * | 2011-04-29 | 2012-11-07 | 韦特柯格雷公司 | 具有平行轴线释放性的球和镖发射器 |
CN108756803A (zh) * | 2018-08-07 | 2018-11-06 | 阜宁县石油机械有限公司 | 一种液动双闸板防喷器 |
CN112065317A (zh) * | 2020-09-30 | 2020-12-11 | 中国石油天然气集团有限公司 | 一种连续油管井口防喷器及使用方法 |
CN112065317B (zh) * | 2020-09-30 | 2024-03-01 | 中国石油天然气集团有限公司 | 一种连续油管井口防喷器及使用方法 |
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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: SHENGLI OILFIELD SUPPLY CIRCUMFERENCE PETROLEUM EQ Free format text: FORMER NAME: FANGYUAN OIL FURNISHMENT CO., LTD., SHENGLI OIL FIE SUPPLY DEPARTMENT |
|
CP03 | Change of name, title or address |
Address after: 103 Industrial Park, Yantai Road, Dongying District, Shandong, Dongying, 257024 Patentee after: Shengli oilfield supplies petroleum equipment Limited by Share Ltd Address before: 257024 No. 205, Qingdao Road, Dongying, Shandong Patentee before: Fangyuan Oil Furnishment Co., Ltd., Shengli Oil Fie Supply Department |
|
C56 | Change in the name or address of the patentee |
Owner name: SHENGLI FANGLANDE PETROLEUM EQUIPMENT CO., LTD. Free format text: FORMER NAME: SHENGLI OILFIELD SUPPLY FANGYUAN PETROLEUM EQUIPMENT CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 103 Industrial Park, Yantai Road, Dongying District, Shandong, Dongying, 257024 Patentee after: Shengli Fanland Petroleum Equipment Co., Ltd. Address before: 103 Industrial Park, Yantai Road, Dongying District, Shandong, Dongying, 257024 Patentee before: Shengli oilfield supplies petroleum equipment Limited by Share Ltd |
|
CX01 | Expiry of patent term |
Granted publication date: 20100120 |
|
CX01 | Expiry of patent term |