发明名称 |
Cement Retarder |
摘要 |
The invention provides a cementitious composition for oilfield application comprising an organic retarder having at least one carboxylate group and copper ions such that a complex is made between copper ion and carboxylate group. Also a method to retard cementitious composition for oilfield application is disclosed, the method comprising the unique double step of adding an organic retarder having at least one carboxylate group and adding copper ions such that a complex is made between copper ion and carboxylate group.
|
申请公布号 |
US2008156231(A1) |
申请公布日期 |
2008.07.03 |
申请号 |
US20070965319 |
申请日期 |
2007.12.27 |
申请人 |
BOULARD STEPHANE;LEE JESSE |
发明人 |
BOULARD STEPHANE;LEE JESSE |
分类号 |
C04B14/48;C04B7/00;C04B24/00 |
主分类号 |
C04B14/48 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|