The acrylamide - 2 - acrylamido - 2 - methylpropanesulfonic acid - methacrylic acid ( AM/AMPS/ MAA) terpolymer as a drilling - fluild addlitive was synthesized by redox initation.

• 采用氧化-还原引发体系合成丙烯酰胺/2-丙烯酰胺基-2-甲基丙磺酸/甲基丙烯酸(AM/AMPS/MAA)三元共聚物作为钻井液处理剂。