CN202325327U - 试井仪器串活页式挡叉 - Google Patents
试井仪器串活页式挡叉 Download PDFInfo
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- CN202325327U CN202325327U CN 201120425673 CN201120425673U CN202325327U CN 202325327 U CN202325327 U CN 202325327U CN 201120425673 CN201120425673 CN 201120425673 CN 201120425673 U CN201120425673 U CN 201120425673U CN 202325327 U CN202325327 U CN 202325327U
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Application Number | Priority Date | Filing Date | Title |
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CN 201120425673 CN202325327U (zh) | 2011-11-01 | 2011-11-01 | 试井仪器串活页式挡叉 |
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CN 201120425673 CN202325327U (zh) | 2011-11-01 | 2011-11-01 | 试井仪器串活页式挡叉 |
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CN202325327U true CN202325327U (zh) | 2012-07-11 |
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CN 201120425673 Expired - Lifetime CN202325327U (zh) | 2011-11-01 | 2011-11-01 | 试井仪器串活页式挡叉 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111335835A (zh) * | 2020-01-03 | 2020-06-26 | 中国石油集团川庆钻探工程有限公司 | 一种试井挡叉 |
CN115387747A (zh) * | 2022-10-27 | 2022-11-25 | 东营石油技术与装备产业研究院有限公司 | 一种海洋石油试井设备 |
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2011
- 2011-11-01 CN CN 201120425673 patent/CN202325327U/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111335835A (zh) * | 2020-01-03 | 2020-06-26 | 中国石油集团川庆钻探工程有限公司 | 一种试井挡叉 |
CN115387747A (zh) * | 2022-10-27 | 2022-11-25 | 东营石油技术与装备产业研究院有限公司 | 一种海洋石油试井设备 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200925 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Chuanqing Drilling Engineering Co.,Ltd. Address before: The 1 section of No. 3 company Chuanqing Drilling Technology Information Office Chenghua District Green Road 610051 Chengdu City, Sichuan Province Patentee before: CNPC Chuanqing Drilling Engineering Co.,Ltd. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20120711 |