摘要 |
A salt-tolerant, thermally-stable rheology modifier and, in particular, a rheology modifier for applications in oilfield 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. |
申请人 |
ISP INVESTMENTS INC.;WANG, JANICE, JIANZHAO;ZHENG, JUN;FARRAR, DAVID;MUSA, OSAMA, M. |
发明人 |
WANG, JANICE, JIANZHAO;ZHENG, JUN;FARRAR, DAVID;MUSA, OSAMA, M. |