发明名称 |
SALT-TOLERANT, THERMALLY-STABLE RHEOLOGY MODIFIERS |
摘要 |
A salt-tolerant, thermally-stable rheology modifier and, in particular, a rheology modifier for applications in oil-field well-bore fluids. In accordance with one aspect, the rheology modifier comprises a terpolymer of acrylamide, 2-acrylamido-2-methyl-propanesulfonic acid (AMPS) and a long-chain alkyl acrylate wherein the terpolymer is prepared by dispersion polymerization. |
申请公布号 |
US2013324443(A1) |
申请公布日期 |
2013.12.05 |
申请号 |
US201113881083 |
申请日期 |
2011.10.25 |
申请人 |
WANG JANICE JIANZHAO;ZHENG JUN;FARRAR DAVID;MUSA OSAMA M.;ISP INVESTMENTS INC. |
发明人 |
WANG JANICE JIANZHAO;ZHENG JUN;FARRAR DAVID;MUSA OSAMA M. |
分类号 |
C09K8/12;E21B7/00;E21B33/13;E21B43/16;E21B43/26 |
主分类号 |
C09K8/12 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|