CN201753592U - 膨胀管用伞式可变径膨胀工具 - Google Patents
膨胀管用伞式可变径膨胀工具 Download PDFInfo
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- CN201753592U CN201753592U CN2009201580070U CN200920158007U CN201753592U CN 201753592 U CN201753592 U CN 201753592U CN 2009201580070 U CN2009201580070 U CN 2009201580070U CN 200920158007 U CN200920158007 U CN 200920158007U CN 201753592 U CN201753592 U CN 201753592U
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CN2009201580070U CN201753592U (zh) | 2009-06-04 | 2009-06-04 | 膨胀管用伞式可变径膨胀工具 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103089184A (zh) * | 2011-10-31 | 2013-05-08 | 中国石油化工股份有限公司 | 膨胀管用折叠式可变径膨胀工具 |
CN101906947B (zh) * | 2009-06-04 | 2014-10-15 | 中国石化集团胜利石油管理局钻井工艺研究院 | 膨胀管用伞式可变径膨胀工具 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101906947B (zh) * | 2009-06-04 | 2014-10-15 | 中国石化集团胜利石油管理局钻井工艺研究院 | 膨胀管用伞式可变径膨胀工具 |
CN103089184A (zh) * | 2011-10-31 | 2013-05-08 | 中国石油化工股份有限公司 | 膨胀管用折叠式可变径膨胀工具 |
CN103089184B (zh) * | 2011-10-31 | 2015-06-17 | 中国石油化工股份有限公司 | 膨胀管用折叠式可变径膨胀工具 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: CHINA PETROLEUM + CHEMICAL VICTORY OIL ENGINEERING Effective date: 20150330 Owner name: SINOPEC OILFIELD SERVICE CORPORATION Free format text: FORMER OWNER: WELL-DRILLING TECHNOLOGY INST., SHENGLI PETROLEUM ADMINISTRATION, SINOPEC Effective date: 20150330 |
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Free format text: CORRECT: ADDRESS; FROM: 257017 DONGYING, SHANDONG PROVINCE TO: 100029 CHAOYANG, BEIJING |
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Effective date of registration: 20150330 Address after: 100029 Beijing City, Chaoyang District Hui Street No. six twelfth floor Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Patentee after: Drilling Well Technology Institute, Shengli Petroleum Engineering Co., Ltd., SINOPEC Address before: 257017 No. 236, North Road, Dongying District, Shandong, Dongying Patentee before: Well-Drilling Technology Inst., Shengli Petroleum Administration, SINOPEC |
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CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20110302 |