CN101967370B - 一种分支井钻井用充填液 - Google Patents
一种分支井钻井用充填液 Download PDFInfo
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- CN101967370B CN101967370B CN 201010264214 CN201010264214A CN101967370B CN 101967370 B CN101967370 B CN 101967370B CN 201010264214 CN201010264214 CN 201010264214 CN 201010264214 A CN201010264214 A CN 201010264214A CN 101967370 B CN101967370 B CN 101967370B
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CN 201010264214 CN101967370B (zh) | 2010-08-26 | 2010-08-26 | 一种分支井钻井用充填液 |
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CN 201010264214 CN101967370B (zh) | 2010-08-26 | 2010-08-26 | 一种分支井钻井用充填液 |
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CN101967370A CN101967370A (zh) | 2011-02-09 |
CN101967370B true CN101967370B (zh) | 2013-04-03 |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1175615A (zh) * | 1997-07-25 | 1998-03-11 | 辽河石油勘探局钻井二公司 | 一种防漏防塌钻井液的配制方法及工艺 |
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US6762154B2 (en) * | 2000-09-21 | 2004-07-13 | Schlumberger Technology Corporation | Viscoelastic surfactant fluids stable at high brine concentrations |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1175615A (zh) * | 1997-07-25 | 1998-03-11 | 辽河石油勘探局钻井二公司 | 一种防漏防塌钻井液的配制方法及工艺 |
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CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee after: China National Offshore Oil Corporation Patentee after: CNOOC Research Institute Patentee after: Yangtze University Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Research Center Patentee before: Yangtze University |
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CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Co-patentee after: Yangtze University Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation Co-patentee before: Yangtze University |
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TR01 | Transfer of patent right |
Effective date of registration: 20191209 Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC research institute limited liability company Patentee before: China Offshore Oil Group Co., Ltd. Co-patentee before: Yangtze University |
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TR01 | Transfer of patent right |