CN109736745B - 一种便于坐封与解封的可捞式桥塞 - Google Patents
一种便于坐封与解封的可捞式桥塞 Download PDFInfo
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CN112228005B (zh) * | 2020-09-27 | 2023-03-14 | 齐齐哈尔亚盛机械制造有限公司 | 一种低坐封力起井泄压的可捞桥塞 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4424865A (en) * | 1981-09-08 | 1984-01-10 | Sperry Corporation | Thermally energized packer cup |
CN101730785A (zh) * | 2007-06-25 | 2010-06-09 | 维斯塔斯风力系统集团公司 | 用于管状结构的密封装置 |
CN201695988U (zh) * | 2010-05-26 | 2011-01-05 | 赵战中 | 一种差压自封式注蒸汽封隔器 |
CN202628029U (zh) * | 2012-06-04 | 2012-12-26 | 王强 | 堵水堵死可捞式桥塞 |
CN204754861U (zh) * | 2015-06-19 | 2015-11-11 | 天津远海采油科技有限公司 | 液控封隔器 |
CN204877367U (zh) * | 2015-07-23 | 2015-12-16 | 成都科特柯本科技有限公司 | 一种裸眼封隔器胶筒 |
CN106837236A (zh) * | 2017-03-24 | 2017-06-13 | 河南省煤炭地质勘察研究总院 | 一种自助加压膨胀封隔器 |
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4424865A (en) * | 1981-09-08 | 1984-01-10 | Sperry Corporation | Thermally energized packer cup |
CN101730785A (zh) * | 2007-06-25 | 2010-06-09 | 维斯塔斯风力系统集团公司 | 用于管状结构的密封装置 |
CN201695988U (zh) * | 2010-05-26 | 2011-01-05 | 赵战中 | 一种差压自封式注蒸汽封隔器 |
CN202628029U (zh) * | 2012-06-04 | 2012-12-26 | 王强 | 堵水堵死可捞式桥塞 |
CN204754861U (zh) * | 2015-06-19 | 2015-11-11 | 天津远海采油科技有限公司 | 液控封隔器 |
CN204877367U (zh) * | 2015-07-23 | 2015-12-16 | 成都科特柯本科技有限公司 | 一种裸眼封隔器胶筒 |
CN106837236A (zh) * | 2017-03-24 | 2017-06-13 | 河南省煤炭地质勘察研究总院 | 一种自助加压膨胀封隔器 |
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Effective date of registration: 20190911 Address after: Room 103, Unit 2, Building 8, Tangren Central District, Jeanhu Road District, Daqing City, Heilongjiang Province Applicant after: Guo Ji Address before: 161000 Heilongjiang Province Qiqihar Longsha District Zhaoyuan District Building 1-2 Floor 5 Applicant before: Qigihar Asia Sheng Machinery Manufacturing Co., Ltd. |
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Inventor after: Li Hongliang Inventor after: Sun Wei Inventor after: Li Xiaoming Inventor before: Li Xiaoming |
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Effective date of registration: 20200119 Address after: 163712 Daqing commercial service center, G commercial service center, Heilongjiang, Daqing, Guangdong Province, China. 2717 A Applicant after: Daqing Hongbo Shengda Petroleum Machinery Equipment Co Ltd Address before: Room 103, Unit 2, Building 8, Tangren Central District, Jeanhu Road District, Daqing City, Heilongjiang Province Applicant before: Guo Ji |
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