CN103527135B - 双缸压缩式封隔器 - Google Patents
双缸压缩式封隔器 Download PDFInfo
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- CN103527135B CN103527135B CN201310489266.2A CN201310489266A CN103527135B CN 103527135 B CN103527135 B CN 103527135B CN 201310489266 A CN201310489266 A CN 201310489266A CN 103527135 B CN103527135 B CN 103527135B
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CN201310489266.2A CN103527135B (zh) | 2013-10-18 | 2013-10-18 | 双缸压缩式封隔器 |
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CN201310489266.2A CN103527135B (zh) | 2013-10-18 | 2013-10-18 | 双缸压缩式封隔器 |
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CN103527135A CN103527135A (zh) | 2014-01-22 |
CN103527135B true CN103527135B (zh) | 2016-08-24 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104389547B (zh) * | 2014-09-05 | 2016-08-31 | 西南石油大学 | 一种内置金属构件的挤压胶筒及其加工工艺 |
CN106703739A (zh) * | 2015-08-07 | 2017-05-24 | 中国石油化工股份有限公司 | 平衡式双活塞液控压缩四胶筒封隔器 |
CN109973044B (zh) * | 2019-04-11 | 2021-05-18 | 雪曼圣杰科技有限公司 | 金属密封副封隔器 |
CN112324382B (zh) * | 2020-11-03 | 2022-12-02 | 中国石油化工股份有限公司 | 一种全集流式产气剖面测试仪器封堵装置及方法 |
CN115075767B (zh) * | 2021-03-15 | 2023-09-26 | 中国石油天然气股份有限公司 | 封隔器及密封方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN2546624Y (zh) * | 2002-05-27 | 2003-04-23 | 苗在朝 | 压缩扩张式注水封隔器 |
CN201620819U (zh) * | 2009-12-22 | 2010-11-03 | 长葛市福侨机电有限公司 | 一种封隔器胶筒防突保护装置 |
CN102011560B (zh) * | 2010-11-04 | 2013-04-24 | 中国石油天然气股份有限公司 | 双向承压封隔器 |
EP2466058A1 (en) * | 2010-12-17 | 2012-06-20 | Welltec A/S | An inflow assembly |
CN202483504U (zh) * | 2012-03-20 | 2012-10-10 | 天津汇铸石油设备科技有限公司 | 一种防止封隔器胶筒破损的封隔器 |
CN202810777U (zh) * | 2012-10-28 | 2013-03-20 | 大庆泰泽机械加工有限公司 | 一种防砂可洗井压缩式封隔器 |
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Effective date of registration: 20190203 Address after: 161000 5, 1-2 floor, 1 story building, Zhao Yuan District, Qigihar, Heilongjiang. Patentee after: Qigihar Asia Sheng Machinery Manufacturing Co., Ltd. Address before: 610500 Xindu Road, Xindu District, Chengdu, Sichuan Province, No. 8 Patentee before: Southwest Petroleum University |
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Effective date of registration: 20190226 Address after: 161000 5, 1-2 floor, 1 story building, Zhao Yuan District, Qigihar, Heilongjiang. Patentee after: Qigihar Asia Sheng Machinery Manufacturing Co., Ltd. Address before: No. 8 Xindu Avenue, Xindu District, Chengdu City, Sichuan Province Patentee before: Southwest Petroleum University |