CN201738870U - 多功能扩张式封隔器 - Google Patents
多功能扩张式封隔器 Download PDFInfo
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- CN201738870U CN201738870U CN2010202745162U CN201020274516U CN201738870U CN 201738870 U CN201738870 U CN 201738870U CN 2010202745162 U CN2010202745162 U CN 2010202745162U CN 201020274516 U CN201020274516 U CN 201020274516U CN 201738870 U CN201738870 U CN 201738870U
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Application Number | Priority Date | Filing Date | Title |
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CN2010202745162U CN201738870U (zh) | 2010-07-26 | 2010-07-26 | 多功能扩张式封隔器 |
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CN2010202745162U CN201738870U (zh) | 2010-07-26 | 2010-07-26 | 多功能扩张式封隔器 |
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CN201738870U true CN201738870U (zh) | 2011-02-09 |
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CN2010202745162U Expired - Fee Related CN201738870U (zh) | 2010-07-26 | 2010-07-26 | 多功能扩张式封隔器 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103835676A (zh) * | 2013-11-07 | 2014-06-04 | 北京中煤矿山工程有限公司 | 一种l型钻孔地面预注浆高压止浆装备 |
CN109556764A (zh) * | 2018-11-30 | 2019-04-02 | 天地科技股份有限公司 | 地应力测量系统的测控装置 |
CN111911108A (zh) * | 2020-08-18 | 2020-11-10 | 大庆华油石油科技开发有限公司 | 一种水力扩张式封隔器 |
CN113338843A (zh) * | 2021-06-10 | 2021-09-03 | 王文龙 | 防砂卡强制解封封隔器 |
-
2010
- 2010-07-26 CN CN2010202745162U patent/CN201738870U/zh not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103835676A (zh) * | 2013-11-07 | 2014-06-04 | 北京中煤矿山工程有限公司 | 一种l型钻孔地面预注浆高压止浆装备 |
CN109556764A (zh) * | 2018-11-30 | 2019-04-02 | 天地科技股份有限公司 | 地应力测量系统的测控装置 |
CN109556764B (zh) * | 2018-11-30 | 2024-04-09 | 天地科技股份有限公司 | 地应力测量系统的测控装置 |
CN111911108A (zh) * | 2020-08-18 | 2020-11-10 | 大庆华油石油科技开发有限公司 | 一种水力扩张式封隔器 |
CN113338843A (zh) * | 2021-06-10 | 2021-09-03 | 王文龙 | 防砂卡强制解封封隔器 |
CN113338843B (zh) * | 2021-06-10 | 2022-07-29 | 王文龙 | 防砂卡强制解封封隔器 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: QIANJIANG JIANGHAN OILFIELD DEVELOPMENT TECHNOLOGY Free format text: FORMER NAME: XIANGLONG PETROLEUM SCIENCE + TECHNOLOGY CO., LTD. JIZHOU |
|
CP03 | Change of name, title or address |
Address after: 44, 433123, Xiangyang Road, Guanghua office, Guang Hua office, Qianjiang, Hubei province 1 Patentee after: Qianjiang Jianghan Oilfield Development Technology Service Department Address before: 434020, No. 1, Garden District, Jing Jing Road, Jingzhou District, Jingzhou, Hubei Patentee before: Jingzhou Xianglong Petroleum Technology Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20180726 |
|
CF01 | Termination of patent right due to non-payment of annual fee |