CN203603835U - 连续油管用井下飞镖式堵塞工具 - Google Patents
连续油管用井下飞镖式堵塞工具 Download PDFInfo
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- CN203603835U CN203603835U CN201320802557.8U CN201320802557U CN203603835U CN 203603835 U CN203603835 U CN 203603835U CN 201320802557 U CN201320802557 U CN 201320802557U CN 203603835 U CN203603835 U CN 203603835U
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CN201320802557.8U CN203603835U (zh) | 2013-12-09 | 2013-12-09 | 连续油管用井下飞镖式堵塞工具 |
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CN203603835U true CN203603835U (zh) | 2014-05-21 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104929560A (zh) * | 2015-06-15 | 2015-09-23 | 宝鸡市赛孚石油机械有限公司 | 防砂堵塞器 |
CN105064940A (zh) * | 2015-08-21 | 2015-11-18 | 中国石油化工股份有限公司江汉油田分公司石油工程技术研究院 | 一种内置式连续油管完井管柱及施工方法 |
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2013
- 2013-12-09 CN CN201320802557.8U patent/CN203603835U/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104929560A (zh) * | 2015-06-15 | 2015-09-23 | 宝鸡市赛孚石油机械有限公司 | 防砂堵塞器 |
CN105064940A (zh) * | 2015-08-21 | 2015-11-18 | 中国石油化工股份有限公司江汉油田分公司石油工程技术研究院 | 一种内置式连续油管完井管柱及施工方法 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20200910 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee after: CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 610051, Sichuan Province, Chenghua District, Chengdu two ring road, paragraph 6, four North Ruifeng Lane Patentee before: Downhole Operation Company, CNPC Chuanqing Drilling Engineering Co.,Ltd. |
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CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20140521 |