CN109736743A - 一种中途防坐封的封隔器 - Google Patents
一种中途防坐封的封隔器 Download PDFInfo
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CN201811580966.1A CN109736743B (zh) | 2018-12-24 | 2018-12-24 | 一种中途防坐封的封隔器 |
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CN109736743A true CN109736743A (zh) | 2019-05-10 |
CN109736743B CN109736743B (zh) | 2020-02-14 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110306948A (zh) * | 2019-06-11 | 2019-10-08 | 中国石油大学(北京) | 封隔器 |
Citations (7)
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US5687795A (en) * | 1995-12-14 | 1997-11-18 | Schlumberger Technology Corporation | Packer locking apparatus including a time delay apparatus for locking a packer against premature setting when entering a liner in a wellbore |
US20060278405A1 (en) * | 2005-06-14 | 2006-12-14 | Turley Rocky A | Method and apparatus for friction reduction in a downhole tool |
CN101787865A (zh) * | 2010-01-11 | 2010-07-28 | 中国石油化工股份有限公司 | 一种防中途坐封的永久式封隔器 |
CN203856445U (zh) * | 2014-04-11 | 2014-10-01 | 中国海洋石油总公司 | 一种防砂隔离封隔器 |
CN206468323U (zh) * | 2016-12-28 | 2017-09-05 | 中国石油集团渤海钻探工程有限公司 | 可降解封隔器及多级分层压裂管柱 |
CN207177815U (zh) * | 2017-08-25 | 2018-04-03 | 中国石油天然气股份有限公司 | 抽油泵井套管保护封隔器 |
CN108397154A (zh) * | 2018-03-02 | 2018-08-14 | 荆州市赛瑞能源技术有限公司 | 一种防遇阻的液压封隔器 |
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5687795A (en) * | 1995-12-14 | 1997-11-18 | Schlumberger Technology Corporation | Packer locking apparatus including a time delay apparatus for locking a packer against premature setting when entering a liner in a wellbore |
US20060278405A1 (en) * | 2005-06-14 | 2006-12-14 | Turley Rocky A | Method and apparatus for friction reduction in a downhole tool |
CN101787865A (zh) * | 2010-01-11 | 2010-07-28 | 中国石油化工股份有限公司 | 一种防中途坐封的永久式封隔器 |
CN203856445U (zh) * | 2014-04-11 | 2014-10-01 | 中国海洋石油总公司 | 一种防砂隔离封隔器 |
CN206468323U (zh) * | 2016-12-28 | 2017-09-05 | 中国石油集团渤海钻探工程有限公司 | 可降解封隔器及多级分层压裂管柱 |
CN207177815U (zh) * | 2017-08-25 | 2018-04-03 | 中国石油天然气股份有限公司 | 抽油泵井套管保护封隔器 |
CN108397154A (zh) * | 2018-03-02 | 2018-08-14 | 荆州市赛瑞能源技术有限公司 | 一种防遇阻的液压封隔器 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110306948A (zh) * | 2019-06-11 | 2019-10-08 | 中国石油大学(北京) | 封隔器 |
CN110306948B (zh) * | 2019-06-11 | 2020-08-28 | 中国石油大学(北京) | 封隔器 |
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CN109736743B (zh) | 2020-02-14 |
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Effective date of registration: 20190912 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: Sun Shengzhi Inventor after: Zhang Haisheng Inventor after: Li Xiaoming Inventor before: Li Xiaoming |
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Effective date of registration: 20200113 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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