CN203161136U - 一种测试期间返排液中捕屑装置 - Google Patents
一种测试期间返排液中捕屑装置 Download PDFInfo
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- CN203161136U CN203161136U CN 201320092321 CN201320092321U CN203161136U CN 203161136 U CN203161136 U CN 203161136U CN 201320092321 CN201320092321 CN 201320092321 CN 201320092321 U CN201320092321 U CN 201320092321U CN 203161136 U CN203161136 U CN 203161136U
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CN 201320092321 CN203161136U (zh) | 2013-02-28 | 2013-02-28 | 一种测试期间返排液中捕屑装置 |
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CN 201320092321 CN203161136U (zh) | 2013-02-28 | 2013-02-28 | 一种测试期间返排液中捕屑装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104033120A (zh) * | 2014-05-21 | 2014-09-10 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | 一种集屑筒 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104033120A (zh) * | 2014-05-21 | 2014-09-10 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | 一种集屑筒 |
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Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210714 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CHINA NATIONAL PETROLEUM CORPORATION CHUANQING DRILLING ENGINEERING Co. 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: CHINA NATIONAL PETROLEUM CORPORATION CHUANQING DRILLING ENGINEERING Co. |
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CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20130828 |