发明名称 |
ADDITIVE FOR WELL CEMENTING APPLICATIONS |
摘要 |
An additive for Portland-cement slurries comprises a liquid silicate absorbed into a solid porous medium. The additive is incorporated in slurries designed for well-cementing applications. The liquid silicate functions as a retarder aid and dispersant when added to slurries for use at temperatures above about 85° C. The resulting solid product allows use of the liquid silicate in well-cementing operations as if it were a dry additive.
|
申请公布号 |
US2011108274(A1) |
申请公布日期 |
2011.05.12 |
申请号 |
US20100912707 |
申请日期 |
2010.10.26 |
申请人 |
SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
CARITEY JEAN-PHILIPPE;KOMOCKI SYLWIA;MICHAUX MICHEL;PYATINA TATIANA |
分类号 |
E21B33/13;C09K8/46;C09K8/467 |
主分类号 |
E21B33/13 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|