CN201943649U - 高压压裂长胶筒封隔器 - Google Patents
高压压裂长胶筒封隔器 Download PDFInfo
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- CN201943649U CN201943649U CN201120062500XU CN201120062500U CN201943649U CN 201943649 U CN201943649 U CN 201943649U CN 201120062500X U CN201120062500X U CN 201120062500XU CN 201120062500 U CN201120062500 U CN 201120062500U CN 201943649 U CN201943649 U CN 201943649U
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- packing element
- glue cylinder
- high pressure
- central tube
- packer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
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Application Number | Priority Date | Filing Date | Title |
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CN201120062500XU CN201943649U (zh) | 2011-03-09 | 2011-03-09 | 高压压裂长胶筒封隔器 |
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CN201120062500XU CN201943649U (zh) | 2011-03-09 | 2011-03-09 | 高压压裂长胶筒封隔器 |
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CN201943649U true CN201943649U (zh) | 2011-08-24 |
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CN201120062500XU Expired - Fee Related CN201943649U (zh) | 2011-03-09 | 2011-03-09 | 高压压裂长胶筒封隔器 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104912514A (zh) * | 2015-06-23 | 2015-09-16 | 中国石油集团渤海钻探工程有限公司 | 防卡封隔器 |
CN106939784A (zh) * | 2017-01-13 | 2017-07-11 | 上海全泽能源科技有限公司 | 分层注入井的定位酸化装置 |
CN108756826A (zh) * | 2018-07-23 | 2018-11-06 | 西安石油大学 | 一种可变径自力式排水采气柱塞 |
CN111070519A (zh) * | 2019-12-23 | 2020-04-28 | 成都易合元科技有限公司 | 一种柔性膨胀装置及其制作方法 |
-
2011
- 2011-03-09 CN CN201120062500XU patent/CN201943649U/zh not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104912514A (zh) * | 2015-06-23 | 2015-09-16 | 中国石油集团渤海钻探工程有限公司 | 防卡封隔器 |
CN104912514B (zh) * | 2015-06-23 | 2018-05-04 | 中国石油集团渤海钻探工程有限公司 | 防卡封隔器 |
CN106939784A (zh) * | 2017-01-13 | 2017-07-11 | 上海全泽能源科技有限公司 | 分层注入井的定位酸化装置 |
CN108756826A (zh) * | 2018-07-23 | 2018-11-06 | 西安石油大学 | 一种可变径自力式排水采气柱塞 |
CN111070519A (zh) * | 2019-12-23 | 2020-04-28 | 成都易合元科技有限公司 | 一种柔性膨胀装置及其制作方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Daqing century dragon Petroleum Technology Development Co., Ltd. Assignor: Jin Shoushan|Mao Yuanhong Contract record no.: 2012230001659 Denomination of utility model: High pressure fracture long glue cylinder packer Granted publication date: 20110824 License type: Exclusive License Record date: 20120905 |
|
DD01 | Delivery of document by public notice |
Addressee: Mao Yuanhong Document name: Notification of Termination of Patent Right |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20140309 |