| 发明名称 |
Microemulsions for use as spaces in well cementation |
| 摘要 |
New application of microemulsions as buffers between the slurry and the cement in the cementation of oil wells. The microemulsions contain an amphoteric surfactant selected from the group of alkyl dimethyl betaines.
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| 申请公布号 |
US4223732(A) |
申请公布日期 |
1980.09.23 |
| 申请号 |
US19780940302 |
申请日期 |
1978.09.07 |
| 申请人 |
SOCIETE NATIONAL ELF AQUITAINE (PRODUCTION) |
发明人 |
CARRIAY, JEAN;DE LAUTREC, JACQUES |
| 分类号 |
C09K8/42;C09K8/50;(IPC1-7):E21B33/16 |
主分类号 |
C09K8/42 |
| 代理机构 |
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