| 发明名称 |
VISCO-ELASTIC SURFACTANT SPACERS |
| 摘要 |
A spacer for use in an oil well cementing operation comprises an aqueous solution of a visco-elastic surfactant. A method of treating a well in a cementing operation, comprises pumping the spacer into a well ahead of a cement slurry for cementing the well.
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| 申请公布号 |
US2011024113(A1) |
申请公布日期 |
2011.02.03 |
| 申请号 |
US20080808308 |
申请日期 |
2008.12.23 |
| 申请人 |
CHEN YIYAN;LEE JESSE;DROCHON BRUNO |
发明人 |
CHEN YIYAN;LEE JESSE;DROCHON BRUNO |
| 分类号 |
E21B33/13;C09K8/40 |
主分类号 |
E21B33/13 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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