CN104074487B - 拖动式封隔器 - Google Patents
拖动式封隔器 Download PDFInfo
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- CN104074487B CN104074487B CN201410331318.8A CN201410331318A CN104074487B CN 104074487 B CN104074487 B CN 104074487B CN 201410331318 A CN201410331318 A CN 201410331318A CN 104074487 B CN104074487 B CN 104074487B
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- 238000012856 packing Methods 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 241000239290 Araneae Species 0.000 claims abstract description 9
- 238000011010 flushing procedure Methods 0.000 claims description 12
- 208000031481 Pathologic Constriction Diseases 0.000 claims 1
- 210000001215 vagina Anatomy 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 238000000280 densification Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 206010010214 Compression fracture Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
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CN201410331318.8A CN104074487B (zh) | 2014-07-11 | 2014-07-11 | 拖动式封隔器 |
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CN201410331318.8A CN104074487B (zh) | 2014-07-11 | 2014-07-11 | 拖动式封隔器 |
Publications (2)
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CN104074487A CN104074487A (zh) | 2014-10-01 |
CN104074487B true CN104074487B (zh) | 2017-01-04 |
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CN201410331318.8A Active CN104074487B (zh) | 2014-07-11 | 2014-07-11 | 拖动式封隔器 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104314511B (zh) * | 2014-11-12 | 2016-08-24 | 中国石油天然气股份有限公司 | 一种压缩式底封封隔器 |
JP2019178569A (ja) * | 2018-03-30 | 2019-10-17 | 株式会社クレハ | 保護部材を備えるダウンホールプラグ |
CN108716378B (zh) * | 2018-08-21 | 2023-08-22 | 长江大学 | 一种机械开关式套管堵塞工具 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2651434Y (zh) * | 2003-08-23 | 2004-10-27 | 辽河石油勘探局工程技术研究院 | 一种小井眼压裂封隔器 |
CN201129161Y (zh) * | 2007-12-28 | 2008-10-08 | 濮阳市东昊机械电子有限公司 | 小直径压缩式封隔器 |
CN201396103Y (zh) * | 2009-02-24 | 2010-02-03 | 阜宁县宏达石化机械有限公司 | 封隔器 |
RU2453679C1 (ru) * | 2011-01-12 | 2012-06-20 | Общество с ограниченной ответственностью Производственно-торговая фирма "НиГМаш" | Механический пакер |
CN203626705U (zh) * | 2013-10-31 | 2014-06-04 | 中国石油天然气股份有限公司 | 一种侧钻小井眼压裂封隔器 |
CN204024578U (zh) * | 2014-07-11 | 2014-12-17 | 中国石油大学(北京) | 一种封隔器 |
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C41 | Transfer of patent application or patent right or utility model | ||
CB03 | Change of inventor or designer information |
Inventor after: Gu Daihong Inventor after: Liu Guangfeng Inventor after: Chai Chongjun Inventor after: Liu Jinchao Inventor after: Wang Zaiqiang Inventor after: Ren Guofu Inventor before: Gu Daihong Inventor before: Liu Guangfeng Inventor before: Chai Chongjun Inventor before: Liu Jinchao |
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Effective date of registration: 20161019 Address after: 102249 Beijing city Changping District Road No. 18 Applicant after: China University of Petroleum (Beijing) Applicant after: BEIJING FURUIKE PETROLEUM SCIENCE & TECHNOLOGY Co.,Ltd. Applicant after: BEIJING POLYDOCTOR PETROLEUM TECHNOLOGY Co.,Ltd. Applicant after: PETROCHINA OIL & GAS TECHNOLOGY Research Institute OF CHANGQING OIL FIELD Address before: 102249 Beijing city Changping District Road No. 18 Applicant before: China University of Petroleum (Beijing) Applicant before: BEIJING FURUIKE PETROLEUM SCIENCE & TECHNOLOGY Co.,Ltd. |
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