| 发明名称 |
DUAL FUNCTION CEMENT ADDITIVE |
| 摘要 |
The use of silicate as a retarder enhancer at appropriate levels to enhance the retarding effect of retarders at high temperatures encountered downhole while accelerating the set of cement at lower temperatures encountered near to the surface.
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| 申请公布号 |
US2010154678(A1) |
申请公布日期 |
2010.06.24 |
| 申请号 |
US20090632407 |
申请日期 |
2009.12.07 |
| 申请人 |
DROCHON BRUNO;KOMOCKI SYLWIA;MICHAUX MICHEL |
发明人 |
DROCHON BRUNO;KOMOCKI SYLWIA;MICHAUX MICHEL |
| 分类号 |
C04B40/06;C04B7/02;C04B7/14;C04B14/04;C04B18/06;C04B22/06;C04B24/04;C04B24/06;C04B24/12;C04B24/16;C04B24/18;C04B28/02;C04B28/04;C04B28/26;C04B40/00;C09K8/467;E21B33/13 |
主分类号 |
C04B40/06 |
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