CN203603834U - 连续油管用井下投球式堵塞工具 - Google Patents
连续油管用井下投球式堵塞工具 Download PDFInfo
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- CN203603834U CN203603834U CN201320802458.XU CN201320802458U CN203603834U CN 203603834 U CN203603834 U CN 203603834U CN 201320802458 U CN201320802458 U CN 201320802458U CN 203603834 U CN203603834 U CN 203603834U
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- 238000011282 treatment Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
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- 208000010040 Sprains and Strains Diseases 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
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CN201320802458.XU CN203603834U (zh) | 2013-12-09 | 2013-12-09 | 连续油管用井下投球式堵塞工具 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104929576A (zh) * | 2015-06-15 | 2015-09-23 | 宝鸡市赛孚石油机械有限公司 | 一种液控双瓣阀 |
CN109296336A (zh) * | 2018-09-20 | 2019-02-01 | 中国石油天然气股份有限公司 | 一种速度管柱滑套式堵塞装置及方法 |
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2013
- 2013-12-09 CN CN201320802458.XU patent/CN203603834U/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104929576A (zh) * | 2015-06-15 | 2015-09-23 | 宝鸡市赛孚石油机械有限公司 | 一种液控双瓣阀 |
CN109296336A (zh) * | 2018-09-20 | 2019-02-01 | 中国石油天然气股份有限公司 | 一种速度管柱滑套式堵塞装置及方法 |
CN109296336B (zh) * | 2018-09-20 | 2023-11-28 | 中国石油天然气股份有限公司 | 一种速度管柱滑套式堵塞装置及方法 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
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Effective date of registration: 20200915 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 |